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1. 21953 NIY 1VSANY 7199 AT nona NIDON mntan MYTIN 22 NX DNNIPY INDI AS SSA INA USS LB AM DE SING a JEANS SASA Copyright Lenovo 2013 1 2 ThinkCentre M93zHardware Maintenance Manual Chapter 2 Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer General safety Follow these rules to ensure general safety e Observe good housekeeping in the area of the machines during and after maintenance e When lifting any heavy object Ensure you can stand safely without slipping Distribute the weight of the object equally between your feet Use a slow lifting force Never move suddenly or twist when you attempt to lift O N a Lift by standing or by pushing up with your leg muscles this action removes the strain from the muscles in your back Do not attempt to lift any objects that weigh more than 16 kg 35 Ib or objects that you think are too heavy for you e Do not perform any action that causes hazards to the customer or that makes the equipment unsafe e Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position e Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine
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4. Figure 35 Removing the integrated camera Route the new integrated camera cable and then position the new integrated camera in place Align the two screw holes in the new integrated camera with those in the front bezel Reinstall the two screws to secure the new integrated camera to the front bezel Connect the integrated camera cable to the system board See Locating parts on the system board on page 74 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 104 ThinkCentre M93zHardware Maintenance Manual Replacing the WiFi card Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the WiFi card Note The WiFi card is available only in some models To replace the WI FI card do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See
5. Figure 12 Removing the monitor stand lock 6 If needed open the cable manager and route the cables connected to the computer through the cable manager to keep your workspace neat What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Removing the computer cover Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to remove the computer cover CAUTION Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover To remove the computer cover do the following 1 Remove any media from the drives and turn off all attached devices and the computer 2 Disconnect all power cords from electrical outlets 3 Disconnect the power cords Input Output cables and any other cables that are connected to the computer See Locating connectors controls and indicators on the front of your computer on page 67 and Locating connectors on the rear of your computer on page 70 84 ThinkCentre M93zHardware Maintenance Manual 4 Remove any locking device that secures the computer cover such as an a Kensington style cable lock 5 Place a soft clean towel or cloth on the desk or surface Hold the sides of you
6. Using your computer in monitor ree Accessing the On Screen Display OSD Locating connectors on the rear of your computer Locating major FRUs and CRUS Looking up FRU information Locating parts on the system board Adjusting the frame stand Adjusting the monitor stand Machine type and model label 53 55 55 55 55 56 56 56 56 56 57 57 58 58 58 58 59 59 60 60 61 61 61 61 62 63 65 67 67 68 68 70 71 74 74 76 77 79 Chapter 9 Replacing FRUs Handling static sensitive devices Installing or replacing hardware Installing external options Installing the monitor stand Removing the computer cover Removing and reinstalling the frame foot Removing and reinstalling the rear I O assembly Installing or replacing a memory module Replacing the hard disk drive Replacing the optical drive Replacing the converter board Replacing the heat sink Replacing the microprocessor Replacing the internal speakers Replacing the thermal sensor Replacing the cover presence switch falso called intrusion switch Replacing the integrated camera Replacing the WiFi card Replacing the ambient light sensor Replacing the card reader Replacing the mSATA solid state dive or mini PCI Express x1 card Replacing the ExpressCard Replacing the heat sink and fan n assembly op GPU Replacing the rear PS connectors nd Serial port assembly Replacing the battery 3
7. WiFi antenna replacing 125 WiFi card replacing 105 Copyright Lenovo 2013 137 138 ThinkCentre M93zHardware Maintenance Manual lenovo
8. e Keep your tool case away from walk areas so that other people will not trip over it e Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it e Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from the end e Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Remember Metal objects are good electrical conductors e Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that might be hazardous to your eyes e After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective e Reinstall all covers correctly before returning the machine to the customer CAUTION Electrical current from power telephone and communication cables can be hazardous To avoid personal injury or equipment damage disconnect the attached power cords telecommunication systems networks and modems before you open the computer covers unless instructed otherwise in the installation and configuration procedures Electrical safety Observe the following rules when working on electrical equipment Copyright Lenovo 2013 3 Important Use only a
9. If you need technical assistance see Lenovo Support Web site on page 31 Invalid disc or no disc found message Symptom Invalid disc or no disc found message Actions e Ensure that a DVD disc is in the drive with the shiny side of the disc facing down e Ensure that video resolution is set to less than 1152 x 864 e On computers that have a CD ROM or CD RW drive in addition to a DVD ROM drive make sure that the DVD disc is in the drive labeled DVD If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 40 ThinkCentre M93zHardware Maintenance Manual Intermittent problems Symptom A problem occurs only occasionally and is difficult to repeat Actions e Verify that all cables and cords are securely connected to the computer and attached devices e Verify that when the computer is on the fan grill is not blocked there is air flow around the grill and the fans are working If airflow is blocked or the fans are not working the computer might overheat If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 Hard disk drive problems Select your symptom from the following list e Some or all hard d
10. Part Number 45C1566 gal ll s jal p Li aiiu ca gil da Lol Jace u aaa U 01024 Se lisi 4 gia Qui le O95 JAI E gi gi pi ill E sil alii lg logica af a gaia Ay lay dae asus galli abil CAS 14 Igals al asc Alla Giai di Serg gialli Sala gie Ay ali gini gia Guidi D Ga diclia os Ai dos gia alas die gi dayaue dy dos gee Jalaili gi pi shall L la pat gi Ay as 5 Lal gt rv Pasta ada Vo ga lel ii ear Lys y Le Y mall Ai gf cigitili Lib Ay a cn galii A Chapter 2 Safety information 9 2 Aa gi Fiber Optic 53421 DVD dadi dias siCD ROMS dia 34 Casio aus 5 eil NI Blei za Gag Juv Elsa y 8938 Baya ll And adsl u gii Abel EH ye gih d b gji Y coll UA Hama gh Le CAMBS al l uai gi das gi ld gi lea placid ge all J la la Cs el Jal saga Y 3 geal Baal LER galli A h waz Class 3B siClass 3A 433 ca gada sal agaa Ada de el latin gaa g giai NI dici sa Agia Sigal gi Aloud ga 5 p lya A GRY y Elegy N sai iii dic A dad Ela lia ga ill Grind y A gt 18 kg 37 lbs gt 32 kg 70 5 lbs gt 55 kg 121 2 lbs Al gli sic dial Gls Las pla Gay AA E Gle asa gal oll 8 CU Siga gle aga gall did cst a 35 aiy Y dal y ribes ll Ga S galli O95 si gally Shall cala gS il CABO asail da gl Flug jus Ge ela gs Dh ques ai On asi lala La ala 6 LED ili AA 2 ae 1S AA PERIGO A corrente el trica proveniente de cabos de alimenta o de t
11. Using your computer in monitor mode Your computer can work in either computer mode or monitor mode This section provides instructions on how to use your computer in monitor mode To use your computer in monitor mode you need to have a second computer Connect one end of the VGA cable to the VGA in connector on the rear of your computer and connect the other end to the VGA connector on the second computer Use the monitor mode computer mode switch on the right side of your computer to switch your computer between computer mode and monitor mode The following table introduces the buttons that you can use when your computer is working in monitor mode Function description El Press and hold this button for three seconds to display th D OSD menu e OSD menu 9 Cancel an operation or exit the OSD menu Cancel Exit Switch your computer between computer mode and monitor mode Monitor mode computer mode switch Accessing the On Screen Display OSD You can access the OSD in both computer mode and monitor mode To access the OSD press and hold the OSD enter button for three seconds The following table shows each icon on the OSD main menu Image Setup Image Properties 68 ThinkCentre M93zHardware Maintenance Manual Do e oa Using the OSD menu The following section introduces the icons that you can use in OSD Brightness Contrast ES Brightness ES Adjusts the overall screen brightness Contrast E A
12. e Desconecte los cables de alimentaci n los sistemas de telecomunicaciones las redes y los modems conectados antes de abrir las cubiertas de los dispositivos a menos que se indique lo contrario en los procedimientos de instalaci n y configuraci n e Conecte y desconecte los cables como se describe en la tabla siguiente cuando instale mueva o abra las cubiertas de este producto o de los dispositivos conectados Para conectar Para desconectar 1 APAGUELO todo APAGUELO todo En primer lugar conecte todos los cables a los En primer lugar desenchufe los cables de alimentaci n dispositivos de las tomas de corriente 3 Conecte los cables de sefial a los conectores 3 Desconecte los cables de sefial de los conectores 4 Enchufe los cables de alimentaci n a las tomas de 4 Desconecte todos los cables de los dispositivos corriente Encienda el dispositivo PRECAUCION Cuando sustituya una bateria de litio utilice solamente una bateria numero de pieza 45C1566 u otra de tipo equivalente recomendada por el fabricante Si su sistema dispone de un m dulo que contiene una bateria de litio reemplacelo s lo con el mismo tipo de m dulo del mismo fabricante La bateria contiene litio y puede explotar si no se utiliza manipula o desecha correctamente No debe e Arrojarla al agua o sumergirla en ella e Exponerla a temperaturas superiores a 100 C 212 F e Repararla o desmontarla Deshagase de la bateria segun es
13. 1 BORGATA BARA gt 1 2 2 BH PALA TRA o 3 4 SHARE 4 14 ThinkCentre M93zHardware Maintenance Manual E EAU AERA om 4501566 R R i4 ME KR AA E e ORE HY AP SH Etta FERRARI RRS A 78 PIAR a EAT RIA gt ROE A MRA REZAR GSMA ER gt WARNEN ER gt BARA 2 100 C 212 F GIL RIA FAR AA RM AR SILAS AME REG Et A 4 FIBRA ARENA DARE TIT PRADA ER EE ASA P 0 RENA TE RA gt 4A RRITA PRE ERRIRE gt THES EB EMR ADEA e a MA Class 3A Class 3B 8 AT 37 AH 705 25527 121 23 24 Fia n AA di AA 2 gt 1 AA RE DRE alte Chapter 2 Safety information 15 DANGER Le courant lectrique provenant de l alimentation
14. DVD movie will not play Symptom DVD movie will not play Actions e Make sure that the disc surface is clean and not scratched e Check the disc or package for regional coding You might need to purchase a disc with coding for the region where you are using your computer If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 No audio or intermittent audio while playing DVD movie Symptom No audio or intermittent audio while playing DVD movie Actions e Check the volume control settings on your computer and on your speakers e Make sure that the disc surface is clean and not scratched e Check all cable connections to and from the speakers e Use the DVD menu for the video to select a different audio track If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 Playback is very slow or choppy Symptom Playback is very slow or choppy Actions e Disable any background programs such as AntiVirus or Desktop Themes e Ensure that video resolution is set to less than 1152 x 864 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions
15. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply processor hard disk drives and display Automatic configuration and power interface ACPI BIOS Being an ACPI BIOS system the operating system is allowed to control the power management features of the computer and the setting for Advanced Power Management APM BIOS mode is ignored Not all operating systems support ACPI BIOS mode Automatic Power on features The Automatic Power On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically e Wake Up on Alarm You can specify a date and time at which the computer will be turned on automatically This can be either a single event or a daily event e Wake on LAN If the computer has a properly configured token ring or Ethernet LAN adapter card that is Wake on LAN enabled and there is remote network management software you can use the Wake on LAN feature When you set Wake on LAN to Enabled the computer will turn on when it receives a specific signal from another computer on the local area network LAN To enable the Wake on LAN function or the Wake Up on Alarm function on the Windows 8 operating system do the following 1 Open Control Panel 2 Click Hardware and Sound gt Power Options 3 In the left panel click Choose what the power buttons do 4 In the Shutdown setting secti
16. du t l phone et des cables de transmission peut pr senter un danger Pour viter tout risque de choc lectrique e Ne manipulez aucun cable et n effectuez aucune op ration d installation d entretien ou de reconfiguration de ce produit au cours d un orage e Branchez tous les cordons d alimentation sur un socle de prise de courant correctement c bl et mis la terre e Branchez sur des socles de prise de courant correctement cabl s tout quipement connect ce produit e Lorsque cela est possible n utilisez qu une seule main pour connecter ou d connecter les c bles d interface e Ne mettez jamais un quipement sous tension en cas d incendie ou d inondation ou en pr sence de dommages mat riels e Avant de retirer les carters de l unit mettez celle ci hors tension et d connectez ses cordons d alimentation ainsi que les cables qui la relient aux r seaux aux syst mes de t l communication et aux modems sauf instruction contraire mentionn e dans les proc dures d installation et de configuration e Lorsque vous installez que vous d placez ou que vous manipulez le pr sent produit ou des p riph riques qui lui sont raccord s reportez vous aux instructions ci dessous pour connecter et d connecter les diff rents cordons Connexion D connexion 1 Mettez les unit s HORS TENSION Mettez les unit s HORS TENSION 2 Commencez par brancher tous les cordons sur les D branchez les cordons d aliment
17. program navigation window and double click the dimmed icon to install the program you need Then follow the instructions on the screen When the installation process completes the program icon will be activated and you can find the program in Control Panel The programs and the corresponding sections and green texts in Control Panel are listed in the following table 30 ThinkCentre M93zHardware Maintenance Manual Table 2 Programs in Control Panel Program Control Panel section Green text in Control Panel Communications Utility Hardware and Sound Lenovo Web Conferencing Fingerprint Software System and Security Lenovo Fingerprint Reader Hardware and Sound Lenovo Solution Center System and Security Lenovo System Health and Diagnostics Password Manager System and Security Lenovo Password Vault User Accounts and Family Safety System and Security Note Depending on your computer model some of the programs might not be available Accessing Lenovo programs on the Windows 8 operating system If your computer is preinstalled with the Windows 8 operating system you can access Lenovo programs by doing either of the following e Click the Lenovo QuickLaunch icon from the taskbar A list of programs is displayed Click a Lenovo program to launch it If a desired program is not in the list click the plus icon e Press the Windows key to go to the Start screen Click a Lenovo program to launch it If you cannot find the prog
18. A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations Use good judgment as to the safety of any alterations 6 Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or other liquids or signs of fire or smoke damage 7 Check for worn frayed or pinched cables 8 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling electrostatic discharge sensitive devices Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts e Keep the parts in protective packages until they are inserted into the product e Avoid co
19. Align the screw holes in the new rear PS 2 connectors and serial port assembly with the corresponding screw hole in the chassis Then install the screws to secure the new rear PS 2 connectors and serial port assembly to the chassis 8 Connect the cables of the new rear PS 2 connectors and serial port assembly to the system board See Locating parts on the system board on page 74 9 Reinstall the rear I O assembly See Removing and reinstalling the rear I O assembly on page 86 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the battery Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 Your computer has a special type of memory that maintains the date time and settings for built in features such as parallel port assignments configuration A battery keeps this information active when you turn off the computer 114 ThinkCentre M93zHardware Maintenance Manual The battery normally requires no charging or maintenance throughout its life however no battery lasts forever If the battery fails the date time and configuration information including passwords are lost An error message is displayed when you turn on the computer Refer to the Lithium coin cell battery notic
20. Ibs gt 55 kg 121 2 Ibs CUIDADO Utilize procedimentos de seguran a para levantar equipamentos AA CUIDADO O bot o de controle de alimenta o do dispositivo e o bot o para ligar desligar da fonte de alimenta o nao desligam a corrente el trica fornecida ao dispositivo O dispositivo tamb m pode ter mais de um cabo de alimenta o Para remover toda a corrente el trica do dispositivo assegure que todos os cabos de alimenta o estejam desconectados da fonte de alimenta o AA 2 ae 1 AA 12 ThinkCentre M93zHardware Maintenance Manual ld el
21. Information on page 1 This section provides instructions on how to replace the card reader Note The card reader is available only in some models To replace the card reader do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 Chapter 9 Replacing FRUs 107 4 Locate the card reader See Locating major FRUs and CRUs on page 71 5 Disconnect the card reader cable from the card reader 6 Remove the two screws J that secure the card reader and then lift the card reader out of the computer Figure 39 Removing the card reader 7 Align the screw holes in the new card reader with those on the system board and then install the two screws to secure the card reader 8 Connect the card reader cable to the new card reader What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the mSATA solid state drive or mini PCI Express x1
22. Installing the monitor stand on page 82 6 Reconnect the external cables and power cords to the computer See Locating connectors on the rear of your computer on page 70 7 To update your configuration refer to Chapter 6 Using the Setup Utility program on page 55 Note In most areas of the world Lenovo requires the return of the defective Field Replacement Units FRUs Information about this will come with the new FRUs or will come a few days after you receive the new FRUs 128 ThinkCentre M93zHardware Maintenance Manual Chapter 10 Additional Service Information This chapter provides additional information that the service representative might find helpful Security features Security features in this section include the following e Passwords e Vital Product Data e Management Information Format MIF Hardware controlled Passwords Hardware controlled passwords are set using the Setup Utility program For more information about passwords see Using passwords on page 55 Operating system password An operating system password is very similar to a power on password and denies access to the computer by an unauthorized user when the password is activated The computer is unusable until the password is entered and recognized by the computer Vital product data Each computer has a unique Vital Product Data VPD code stored in the nonvolatile memory on the system board After you replace the system boar
23. Symptom An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive Actions 38 ThinkCentre M93zHardware Maintenance Manual e If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into the other drive In some cases only one of the drives is connected to the audio subsystem e If you are using the Windows 7 operating system follow the action for A CD or DVD does not work on page 39 If this does not correct the problem follow the action for A CD or DVD does not work on page 39 A CD or DVD does not work Symptom A CD or DVD does not work Actions e Verify that the disc is inserted correctly with its label up e Make sure that the disc you are using is clean To remove dust or fingerprints wipe the disc clean with a soft cloth from the center to the outside Wiping a disc in a circular motion might cause loss of data e Verify that the disc you are using is not scratched or damaged Try inserting another disc that you know is good If you cannot read from a known good disc you might have a problem with your CD or DVD drive or the cabling to your CD or DVD drive Make sure that the power cable and signal cable are securely connected to the drive Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer Symptom Unable to use a startable bootable recovery medi
24. To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the integrated camera Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 Chapter 9 Replacing FRUs 103 This section provides instructions on how to replace the integrated camera Note The integrated camera is available only in some models To replace the integrated camera do the following 1 2 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Locate the integrated camera See Locating major FRUs and CRUs on page 71 Note the routing of the integrated camera cable and then disconnect the integrated camera cable from the system board See Locating parts on the system board on page 74 Remove the two screws El that secure the integrated camera to the front bezel and then remove the integrated camera from the computer
25. access to the microprocessor See Replacing the heat sink on page 92 Note Place the heat sink on its side so that the thermal grease on the bottom of it does not get in contact with anything 94 ThinkCentre M93zHardware Maintenance Manual 6 Lift the small handle J and open the retainer Pto access the microprocessor EL Figure 25 Accessing the microprocessor 7 Lift the microprocessor straight up and out of the microprocessor socket Figure 26 Removing the microprocessor Notes a Your microprocessor and socket might look different from the one illustrated Chapter 9 Replacing FRUs 95 b Note the orientation of the microprocessor in the socket You can either look for the small triangle on one corner of the microprocessor or note the orientation of the notches EX on the microprocessor This is important when installing the new microprocessor on the system board c Touch only the edges of the microprocessor Do not touch the gold contacts on the bottom d Do not drop anything onto the microprocessor socket while it is exposed The socket pins must be kept as clean as possible Make sure that the small handle is in the raised position and the microprocessor retainer is fully open 9 Remove the protective cover that protects the gold contacts of the new microprocessor 11 12 13 14 96 Hold the new microprocessor by its sides and align the small triangle on one corner of the new microproces
26. and fan assembly for GPU is available only in models installed with the GPU CAUTION The heat sink and fan assembly for GPU might be very hot Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover To replace the heat sink and fan assembly for GPU do the following Chapter 9 Replacing FRUs 111 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Locate the heat sink and fan assembly for GPU See Locating major FRUs and CRUs on page 71 Note the routing of the GPU fan cable and then disconnect the GPU fan cable from the system board Follow this sequence to remove the four screws that secure the heat sink and fan assembly for GPU to the system board a Partially remove screw E then fully remove screw and then fully remove screw O O1 E Ww b Partially remove screw EJ then fully remove screw EX and then fully remove screw El Note Carefully remove the four screws from the system board to avoid any possible damage to the system board The four s
27. board on page 74 6 Remove the LCD bracket See Replacing the LCD panel on page 119 7 Remove the screws J to disengage the power switch and control button board from the front bezel Figure 55 Removing the power switch and control button board 8 Align the screw holes in the new power switch and control button board with the corresponding ones in the front bezel Then install the screws to secure the new power switch and control button board to the front bezel 9 Connect the new power switch and control button board cable to the system board See Locating parts on the system board on page 74 10 Reinstall the LCD bracket See Replacing the LCD panel on page 119 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the WiFi antennas Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the WiFi antennas Chapter 9 Replacing FRUs 125 Note The WiFi antennas are available only in some models To replace the WiFi antennas do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables th
28. board See Locating parts on the system board on page 74 Move the jumper from the standard position pin 1 and pin 2 to the maintenance position pin 2 and pin 3 Reinstall the computer cover and connect the power cord See Completing the parts replacement on page 127 Turn on the computer and leave it on for approximately 10 seconds Then turn off the computer by holding the power switch for approximately five seconds 7 Repeat step 1 through step 2 8 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 Reinstall the computer cover and connect the power cord See Completing the parts replacement on page 127 Enabling or disabling a device This section provides information on how to enable or disable user access to the following devices USB Setup Use this option to enable or disable a USB connector When a USB connector is disabled the device connected to the USB connector cannot be used SATA Controller When this feature is set to Disable all devices connected to the SATA connectors such as hard disk drives or the optical drive are disabled and cannot be accessed To enable or disable a device do the following 1 2 3 Start the Setup Utility program See Starting the Setup Utility program on page 55 From the Setup Utility program main menu select Devices Depending on the device you want to enable or disable do one of the fol
29. connect to the network at 1000 Mbps Instead it connects at 100 Mbps Symptom If your computer is a Gigabit Ethernet model it cannot connect to the network at 1000 Mbps Instead it connects at 100 Mbps Actions e Try another cable e Make sure that the link partner is set to auto negotiate e Make sure that the switch is 802 3ab compliant gigabit over copper A wireless LAN problem Symptom You cannot connect using the built in wireless networking card Actions e Make sure that your wireless LAN driver is the latest version Check the Web site and verify the driver version supported by Access Connections is the latest documented in the readme file e Make sure that your computer is within range of a wireless access point e Make sure that the wireless radio is enabled by double clicking the Access Connections icon in the Windows notification area Note On the Windows 7 operating system click Show hidden icons in the Windows notification area The Access Connections icon is displayed For more information about the icon see the Help in Access Connections e Check Network Name SSID and your encryption information Use Access Connections to verify this case sensitive information A wireless WAN problem Message Unauthorized WAN card is plugged in Power off and remove the WAN card Action The WAN card is not supported on this computer Remove it Note Some computer models do not have a wireless WAN Chapter 5
30. drive Figure 19 Installing the hard disk drive into the bracket 8 Align the four pins on the hard disk drive bracket with the corresponding clips in the chassis and slide the hard disk drive bracket to the right until it snaps into position Chapter 9 Replacing FRUs 89 Figure 20 Installing the hard disk drive What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the optical drive Note The optical drive is available only in some models To replace the optical drive do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the optical drive See Locating major FRUs and CRUs on page 71 5 Press the optical drive re
31. might produce errors if the hard disk drive gets too full To check the amount of free space on the Windows 7 operating system do the following 1 Click Start gt Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To check the amount of free space on the Windows 8 operating system do the following 1 Open the Windows Explorer and click Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To free up disk space do any of the following e Procedure 1 1 On the Windows 7 operating system click Start Computer On the Windows 8 operating system open the Windows Explorer and click Computer 2 Right click your C drive entry and then click Properties 3 Click Disk Cleanup Chapter 5 Troubleshooting and diagnostics 49 4 Alist of unnecessary file categories is displayed Select each file category you want to delete and then click OK e Procedure 2 1 Open Control Panel 2 Click Programs 3 Click Turn Windows features on or off 4 A list of optional Windows components is displayed Follow the instructions on the screen e Procedure 3 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open the Windows Explorer and click Computer Right click your C drive entry and then click Properties Click Disk Cleanup Click Clean up system files Cl
32. of 5 to the front and 45 to the rear 45 Figure 6 Adjusting the vertical position of the computer to the front or to the rear Chapter 8 Locations 77 The following illustration shows that you can adjust the height of the monitor stand within a length of 110 00 mm 4 33 inches Note Computer height with the monitor stand between 283 50 mm 11 16 inches and 293 50 mm 11 56 inches EE Dr Figure 7 Adjusting the height of the monitor stand The following illustration shows that you can turn the computer at an angel of 45 to the left and 45 to the right Figure 8 Turning the computer to the left or to the right 78 ThinkCentre M93zHardware Maintenance Manual Machine type and model label The machine type and model label identifies your computer When you contact Lenovo for help the machine type and model information helps support technicians to identify your computer and provide faster service The following is a sample of the machine type and model label Oi GD M achine Type XXXX Model Number XXX Figure 9 Machine type and model label Chapter 8 Locations 79 80 ThinkCentre M93zHardware Maintenance Manual Chapter 9 Replacing FRUs This chapter provides instructions about removing or replacing major FRUs Not all FRUs are documented Important Before you replace
33. off the computer Keep the computer cables and cords out of the reach of children Supervise children in rooms where these safety tips have not been followed Safety notices multi lingual translations The caution and danger safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese Chinese simplified Chinese traditional French German Hebrew Italian Korean Spanish AA 6 ThinkCentre M93zHardware Maintenance Manual DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard e Do not connect or disconnect any cables or perform installation maintenance or reconfiguration of this product during an electrical storm e Connect all power cords to a properly wired and grounded electrical outlet e Connect to properly wired outlets any equipment that will be attached to this product e When possible use one hand only to connect or disconnect signal cables e Never turn on any equipment when there is evidence of fire water or structural damage e Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures e Connect and disconnect cables as described in the following tables when installing moving or opening covers on this product or attached devices Turn everything O
34. on the computer Most speaker cables are color coded to match the connector Note When external speaker or headphone cables are attached to the audio connector the internal speaker if present is disabled In most cases if an audio adapter is installed in one of the expansion slots the audio function built into the system board is disabled use the audio jacks on the adapter e Make sure that the program you are running is designed for use in the Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature and must be configured to use SoundBlaster Pro or SoundBlaster emulation Chapter 5 Troubleshooting and diagnostics 37 e Verify that the audio device drivers are correctly installed See Microsoft Windows help system for more information If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive Symptom An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive Action See CD problems on page 38 Sound comes from one external speaker only Symptom Sound comes from one external speaker only Actions e Ensure that the speaker cable is inserted completely into the
35. place the part on it e Do not place the part on the computer cover or other metal surface Installing or replacing hardware This section provides instructions on how to install or replace hardware for your computer You can expand the capabilities of your computer and maintain your computer by installing or replacing hardware Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 Notes 1 Use only computer parts provided by Lenovo 2 When installing or replacing an option use the appropriate instructions in this section along with the instructions that come with the option Installing external options You can connect external options to your computer such as external speakers a printer or a scanner For some external options you must install additional software in addition to making the physical connection When installing an external option see Locating connectors controls and indicators on the front of your Copyright Lenovo 2013 81 computer on page 67 and Locating connectors on the rear of your computer on page 70 to identify the required connector Then use the instructions that come with the option to help you make the connection and install any software or device drivers that are required for the option Installing the monitor stand Attention Do not open your computer or attempt any repair before reading
36. processing unit GPU optional Card reader optional ua ExpressCard optional mSATA solid state drive also can support mini PCI Express x1 card function with limitation System board Power supply assembly Rear PS 2 connectors and serial port assembly optional a I t DE renina A PE pe e Cd DE TACA TEN AO N EE fws e se Chapter 8 Locations 73 Number FRU description Self service CRU Optional service CRU Microprocessor fan mount bracket A le e Ne E mese es Looking up FRU information For detailed FRU information such as the FRU part numbers and supported computer models go to http www lenovo com serviceparts lookup Locating parts on the system board Figure 4 System board part locations on page 74 shows the locations of the parts on the system board si j mu 110724 DA es NEN T A Figure 4 System board part locations El Clear Complementary Metal Oxide E Front LED connector Semiconductor CMOS Recovery jumper 74 ThinkCentre M93zHardware Maintenance Manual H Integrated camera connector Ed emos so El Management Engine ME disabled j
37. same duplex setting If you configured the adapter for full duplex ensure that the switch port is also configured for full duplex Setting the wrong duplex mode can degrade performance cause data loss or result in lost connections e You have installed all networking software that is necessary for your network environment Check with your LAN administrator for the necessary networking software The adapter stops working for no apparent reason Symptom The adapter stops working for no apparent reason Action The network driver files may be corrupt or missing Update the driver by referring to the Solution description for the procedure to make sure that the correct device driver is installed 46 ThinkCentre M93zHardware Maintenance Manual The Wake on LAN feature is not working Symptom The Wake on LAN WOL feature is not working Actions e Make sure that WOL is enabled in the BIOS Setup Utility program e If it is check with your LAN administrator for the necessary settings If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur Symptom If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur Actions e Use Category 5 wiring and make sure that the network cable is securely connected e Connect to a 1000 BASE T hub switch not 1000 BASE X If your computer is a Gigabit Ethernet model it cannot
38. the RJ45 connector of the hub The maximum allowable distance from the computer to hub is 100 meters If the cable is connected and the distance is within acceptable limits but the problem persists try a different cable e The cable is installed properly e You are using the correct device driver On the Windows 7 operating system do the following 1 2 3 5 Click Start gt Control Panel Click Hardware and Sound Click Device Manager If you are prompted for an administrator password or confirmation type the password or provide confirmation If an exclamation mark is displayed next to an adapter name under Network adapters you might not be using the correct driver or the driver is not enabled To update the driver right click the highlighted adapter Click Update Driver Software and then follow the instructions on the screen On the Windows 8 operating system do the following 1 2 3 5 Open Control Panel Click Hardware and Sound Click Device Manager If you are prompted for an administrator password or confirmation type the password or provide confirmation If an exclamation mark is displayed next to an adapter name under Network adapters you might not be using the correct driver or the driver is not enabled To update the driver right click the highlighted adapter Click Update Driver Software and then follow the instructions on the screen e The switch port and the adapter have the
39. the USB device If the USB device has its own power cord make sure it is attached to a properly grounded electrical outlet e If the USB device has its own On Off switch make sure it is in the On position e f the USB device has an Online switch make sure it is in the Online position e If the USB device is a printer make sure paper is loaded correctly e Make sure any device drivers or other software supplied with the USB device is correctly installed Refer to the documentation for the USB device e Reset the device by detaching and reattaching the USB connector If these actions do not correct the problem run the diagnostic programs to test the USB connector see Lenovo Solution Center on page 53 for instructions If the USB device came with its own diagnostics run those diagnostics against the USB device If you need technical assistance see Lenovo Support Web site on page 31 Diagnostics The diagnostic program is used to test hardware components of your computer The diagnostic program can also report operating system controlled settings that interfere with the correct operation of your computer You can use the preinstalled diagnostic program to diagnose computer problems if your computer is running the Windows operating system Notes 1 Your computer is preinstalled with the Lenovo Solution Center program for diagnostic purposes For more information about the Lenovo Solution Center program see Lenovo So
40. this Lenovo product and use of those Web sites is at your own risk Any performance data contained herein was determined in a controlled environment Therefore the result obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Copyright Lenovo 2013 133 Television output notice The following notice applies to models that have the factory installed television output feature This product incorporates copyright protection technology that is protected by method claims of certain U S patents and other intellectual property rights owned by Macrovision Corporation and other rights owners Use of this copyright protection technology must be authorized by Macrovision Corporation and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited European conformance CE mark Ce Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Lenovo The Lenovo logo Rescue and Recovery ThinkCentre ThinkVantage Microsoft Windows an
41. tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ainsi que les proc dures d crites dans le pr sent manuel A DANGER Certains produits laser contiennent une diode laser int gr e de classe 3A ou 3B Prenez connaissance des informations suivantes Rayonnement laser lorsque le carter est ouvert Evitez toute expositiondirecte au rayon laser Evitez de regarder fixement le faisceau ou del observer l aide d instruments optiques A gt 18 kg 37 Ibs 232 kg 70 5 Ibs gt 55 kg 121 2 Ibs ATTENTION Soulevez la machine avec pr caution AA ATTENTION L interrupteur de contr le d alimentation de l unit et l interrupteur dubloc d alimentation ne coupent pas le courant lectrique alimentantl unit En outre le syst me peut tre quip de plusieurs cordonsd alimentation Pour mettre l unit hors tension vous devez d connectertous les cordons de la source d alimentation Chapter 2 Safety information 17 AA 2 Dm gt 10am AA VORSICHT An Netz Telefon und Datenleitungen k nnen gef hrliche Spannungen anliegen Aus Sicherheitsgr nden e Bei Gewitter an diesem Ger t keine Kabel anschlie en oder l sen Ferner keine Installations Wartungs oder Rekonfigurationsarbeiten durchf hren e Ger t nur an eine Schutzkontaktsteckdose mit ordnungsgem geerdetem Schutzkontakt anschlie en e Alle angeschlossenen Ger te ebe
42. unit accertarsi che tutti i cavi di alimentazione siano scollegati dalla fonte di alimentazione AA 2 a 1 Chapter 2 Safety information 23 213 dd Ast SA ASS ARS AS EUC das HAS stil CHEM 20 AL 4747 ALE SOE ALES AB LE 22 5414 E MES SAI ES MPI OAL rin a o H F n o HEH BALE 217 SME AAEH E E AZA ABS BA E SHEH ME SME ABS ALL Yo PAA 30 LE BP FAS HAS BCH AX OAL ui Ir fir mo e E Th 83 SI AA 220 BIE ZIA APSO LE AS SAS SME 287 Moll OE HA DE AA SAI AA dE SA BUS HEHA E MISOILI ABE FAS SAI 015347 BNE SW CS ES ES SME HOSS AZAL Else SES m zas M 1 95 SX UAS DEAL 1 95 SX eas DAA AR SE ASS SAM SESAMO BU BAEAN AA DES FIANO 2 HAEA As AOS ALEA 3 HAEHAA AS HOSS Belo HA SO 4 NEI AR DSS ABA SAQA DE HOSS ZAAL a pon FA HHE 2 S mgg Part Number 45C1566 ES MIZ2IMIOIA ABS SAS SR MES ASSHUIAO ABA AAO 218 WES ESE PSU 32 SUP MALAI SUB DE THOS MALI MESE AISHA HERO 2 80 HRH UA ER AS FE ES MIE AS Sur 1810 ULC ALLE SHXISHABI CHE AS ESSA ERIE E 501 HRAL RAAI DIAS 100 212 F 014 JHS ORAS 218421L SSSR DMA O HAAS 1718 HE HS LE SAR OFM AO Let A SHA e A 9 CD ROM DVD ROM ZH HAS ER EE SA YAY ZS 01X MES ARIE UH Si 2 a FESS HDAS BOWE SA OAS E SH 2101 SA OLA O SE HHO USLIch Bal FUE MESA Sela ae F30 SELIC
43. 108 system board 120 thermal sensor 98 WiFi antenna 125 WiFi card 105 replacing the LCD panel 119 replacing the microprocessor fan 117 replacing the power supply assembly 116 replacing the power switch and control button board 124 replacing the touch panel control boards 123 S security enabling or disabling 57 136 ThinkCentre M93zHardware Maintenance Manual selecting startup device 58 temporary startup device 58 Self service CRUs 71 setting password 56 settings changing 55 viewing 55 Setup Utility 55 Setup Utility program starting 55 Setup Utility exiting 60 starting the Setup Utility program 55 startup device 58 sequence changing 58 temporary selecting 58 static sensitive devices handling 81 support web site support 31 support web site 31 system board connectors 74 locating parts 74 locations 74 memory module 87 system board replacing 120 T television output notice 134 temporary startup device 58 the BIOS updating flashing 130 131 the LCD panel replacing 119 the microprocessor fan replacing 117 the power supply assembly replacing 116 the power switch and control button board replacing 124 the touch panel control boards replacing 123 thermal sensor replacing 98 trademarks 134 troubleshooting basic 35 troubleshooting diagnostics 35 U updating flashing the BIOS 130 updating flashing the BIOS 131 using passwords 55 Setup Utility 55 V viewing and changing settings 55 W
44. 2 gt _ 10m Chapter 2 Safety information 27 28 ThinkCentre M93zHardware Maintenance Manual Chapter 3 General information This chapter provides general information that applies to all machine types supported by this publication Specifications This section lists the physical specifications for your computer Dimensions no stand e Touch models Width 568 mm 22 36 inches Height 401 mm 15 79 inches Depth 68 5 mm 2 70 inches e Non touch models Width 568 mm 22 36 inches Height 401 mm 15 79 inches Depth 67 mm 2 64 inches Weight no stand e Touch models Maximum configuration as shipped 10 14 kg 23 35 Ib e Non touch models Maximum configuration as shipped 8 6 kg 18 96 Ib Environment e Air temperature Operating 10 C to 35 C 50 F to 95 F Storage in original shipping package 40 C to 60 C 40 F to 140 F in original shipping package Storage without package 10 C to 60 C 14 F to 140 F without package e Humidity Operating 20 to 80 non condensing Storage 20 to 90 non condensing e Altitude Operating 15 2 to 3 048 m 50 to 10 000ft Storage 15 2 to 10 668 m 50 to 35 OOOft Electrical input e Input voltage Low range Minimum 100 V ac Maximum 127 V ac Input frequency range 50 or 60 Hz High range Minimum 200 V ac Maximum 240 V ac Copyright Lenovo 2013 29 Input frequency range 50 or 60 Hz Lenovo programs Your computer c
45. 7 Removing the power supply assembly 7 Align the screw holes in the new power cord connector with the corresponding ones in the chassis Then install the screws to secure the new power cord connector to the chassis 8 Align the screw holes in the new power supply assembly with the corresponding ones in the chassis Then install the screws to secure the new power supply assembly to the chassis 9 Connect the cables of the new power supply assembly to the system board See Locating parts on the system board on page 74 10 Reinstall the VESA mount bracket See Replacing the thermal sensor on page 98 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the microprocessor fan Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 Chapter 9 Replacing FRUs 117 This section provides instructions on how to replace the microprocessor fan To replace the microprocessor fan do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer
46. FF 1 Turn everything OFF First attach all cables to devices 2 First remove power cords from outlet Attach signal cables to connectors 3 Remove signal cables from connectors Attach power cords to outlet 4 Remove all cables from devices Turn device ON CAUTION When replacing the lithium battery use only Part Number 45C1566 or an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not e Throw or immerse into water e Heat to more than 100 C 212 F e Repair or disassemble Dispose of the battery as required by local ordinances or regulations A CAUTION When laser products such as CD ROMs DVD ROM drives fiber optic devices or transmitters are installed note the following e Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure Chapter 2 Safety information 7 Ain Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do no
47. HUA 01919 FE 01 28 59 SME Cof HRS HOIK SAI SE USLC 24 ThinkCentre M93zHardware Maintenance Manual A ur SHE YAE SAS 3A LE BAA 3B BOA Col 2 amp 7 UELH CHS FAZIONI LS HA IZ po do 240157 82H HoH SAL RI SHEEL 340 EU AM MOIX RE SHIS LH8t SES E IPS HBE SENO SAS AA Hal PLS HAL gt 18 kg 37 Ibs gt 32 kg 70 5 Ibs gt 55 kg 121 2 lbs ESTE MBS 50 SH OM THE ENNA AA zo SAIS AR 01 HE AA Sa FAS ol Xi a Bale 0149 SES TAD US USL 2215 01 NEA HASHA AA 20 gt 1 C m AA PELIGRO 121 AXE 0 Ball SEHE 7 Arteta OAL IC SAA BE AAS preter EMEA 157 SF La corriente el ctrica procedente de cables de alimentaci n tel fonos y cables de comunicaci n puede ser peligrosa Para evitar el riesgo de descarga el ctrica e No conecte ni desconecte los cables ni realice ninguna tarea de instalaci n mantenimiento o reconfiguraci n de este producto durante una tormenta el ctrica e Conecte todos los cables de alimentaci n a tomas de corriente debidamente cableadas y conectadas a tierra e Cualquier equipo que se conecte a este producto tambi n debe conectarse a tomas de corriente debidamente cableadas e Siempre que sea posible utilice una sola mano para conectar o desconectar los cables de se al Chapter 2 Safety information 25 e No encienda nunca un equipo cuando hay se ales de fuego agua o da os estructurales
48. Intermittent problems on page 41 e Hard disk drive problems on page 41 e Keyboard mouse or pointing device problems on page 41 e Networking problems on page 45 e Option problems on page 48 e Performance and lockup problems on page 49 e Printer problems on page 51 e Serial port problems on page 51 e Software problems on page 52 e USB problems on page 53 Audio problems Select your symptom from the following list e No audio in Windows on page 37 e An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive on page 38 e Sound comes from one external speaker only on page 38 e No audio in DOS applications or games on page 38 No audio in Windows Symptom No audio in Windows Actions e If you are using powered external speakers that have an On Off control verify that the On Off control is set to the On position and the speaker power cable is connected to a properly grounded functional ac electrical outlet e If your external speakers have a volume control verify that the volume control is not set too low e Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Mute settings are not checked and none of the volume settings is set too low e Verify that your external speakers and headphones if used are connected to the correct audio connector
49. Removing the computer cover on page 84 gt Locate the WI FI card on the system board See Locating parts on the system board on page 74 5 Disconnect the two cables from the WI FI card and then remove the screw that secures the WI FI card to the system board Figure 36 Removing the cables from the WI FI card Chapter 9 Replacing FRUs 105 6 Carefully pivot the WI FI card upward and lift the WI FI card to remove it from the card slot Figure 37 Removing the WI FI card 7 Insert the notched end of the new WI FI card into the card slot Press the new WI FI card firmly and then pivot the WI FI card to align the screw hole in the new WI FI card with the one in the system board 8 Install the screw to secure the new WI FI card to the system board 9 Connect the two cables to the new WI FI card What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the ambient light sensor Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the ambient light sensor Note The ambient light sensor is available only in some models To replace the ambient light sensor do the following 1 Remove all media from the drives and turn off
50. Replacing the power supply sed ii ThinkCentre M93zHardware Maintenance Manual 81 81 81 81 82 84 85 86 87 88 90 91 92 94 97 98 100 103 105 106 107 108 110 111 113 114 116 Replacing the microprocessor fan Replacing the LCD panel Replacing the system board Replacing the touch panel control boards Replacing the power switch and control button board Replacing the WiFi antennas Completing the parts replacement Chapter 10 Additional Service Information Security features Hardware controlled Passwords 3 Operating system password Vital product data BIOS levels k Flash update procedures Updating flashing the BIOS from a ales Updating weg the BIOS from your epee system Recovering from a POST BIOS dodate faliis Power management Automatic configuration and power ne ACPI BIOS Da BH cu ne de Automatic Power on features Appendix A Notices Television output notice European conformance CE mark Trademarks Index 117 119 120 123 124 125 127 129 129 129 129 129 129 129 130 131 131 132 132 132 133 134 134 134 135 Chapter 1 About this manual This manual provides service and reference information for ThinkCentre computers listed on the front cover This manual is intended only for trained service personnel who are familiar with Lenovo computer products Before servicing a Lenovo computer product be s
51. Setup Utility program main menu select Security gt Configuration Change Detection and press Enter 3 Select Enabled and press Enter 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Viewing and changing settings The Setup Utility program menu lists various items about the system configuration To view or change settings start the Setup Utility program See Starting the Setup Utility program on page 55 Then follow the instructions on the screen You can use either the keyboard or the mouse to navigate through BIOS menu choices The keys used to perform various tasks are displayed at the bottom of each screen Using passwords By using the Setup Utility program you can set passwords to prevent unauthorized access to your computer and data The following types of passwords are available e Power On Password Copyright Lenovo 2013 55 e Administrator Password e Hard Disk Password You do not have to set any passwords to use your computer However using passwords improves computing security If you decide to set any passwords read the following sections Password considerations A password can be any combination of up to 64 alphabetic and numeric characters For security reasons it is recommended to use a strong password that cannot be easily compromised To set a strong password use the following guidelines e Have at least eight characters in len
52. This chapter introduces the locations of the computer hardware components Locating connectors controls and indicators on the front of your computer Figure 1 Front connector control and indicator locations on page 67 shows the locations of the connectors controls and indicators on the front of your computer E E DI T 4 DES N le Figure 1 Front connector control and indicator locations Table 3 In computer mode and monitor mode El Integrated microphones optional E Volume down control computer mode El Ambient light sensor optional E Monitor mode computer mode switch El Integrated camera activity indicator optional El Power button E Integrated camera shield control slider optional Power on indicator H Integrated camera optional ER Hard disk drive activity indicator Copyright Lenovo 2013 67 Table 3 In computer mode and monitor mode continued E Microphone mute unmute control computer mode Microphone mute unmute indicator Note Indicators El EH and are visible only when they are lit Table 4 In On Screen Display OSD E OSD exit button E OSD right or brightness down control OSD left or brightness up control EZ OSD enter button Note To display the OSD menu press and hold the button EJ for three seconds You can display and use the OSD menu in both computer mode and monitor mode
53. Troubleshooting and diagnostics 47 Bluetooth problems For Bluetooth problems select your symptom from the following list e Sound does not come from the Bluetooth headphone on page 48 e PIM items sent from the Windows 7 operating system cannot be received correctly on page 48 Sound does not come from the Bluetooth headphone Symptom Sound does not come from the Bluetooth headset headphone but comes from the local speaker even though the headset headphone is connected using Headset profile or AV profile Action Do the following 1 Exit the application that uses the sound device for example Windows Media Player Open the Control Panel by clicking Start gt Control Panel Click Hardware and Sound Sound Select the Playback tab If you are using Headset profile select Bluetooth Hands free Audio and click the Set Default button If you are using AV profile select Stereo Audio and click the Set Default button 6 Click OK to close the Sound window a A ON PIM items sent from the Windows 7 operating system cannot be received correctly Symptom Personal Information Manager PIM items sent from the Windows 7 operating system cannot be received correctly into the address book of any other Bluetooth enabled device Action The Windows 7 operating system sends PIM items in XML format but most Bluetooth enabled devices handle PIM items in vCard format If another Bluetooth enabled device can receive a file thro
54. age 82 Remove the computer cover See Removing the computer cover on page 84 Locate the frame foot See Locating major FRUs and CRUs on page 71 oa fk Ww Remove the four screws that secure the frame foot to the chassis and then slide the frame foot out of the chassis Chapter 9 Replacing FRUs 85 Remove the four screws that secure the frame foot to the chassis and then slide the frame foot out of the chassis Figure 14 Removing the frame foot 7 To reinstall the frame foot align the four screw holes in the frame foot with those in the chassis and then install the screws to secure the frame foot to the chassis What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Removing and reinstalling the rear 1 0 assembly Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to remove and reinstall the rear I O assembly To remove and reinstall the rear I O assembly do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surfa
55. all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 106 ThinkCentre M93zHardware Maintenance Manual 4 Locate the ambient light sensor See Locating major FRUs and CRUs on page 71 5 Carefully remove the two screws PM that secure the ambient light sensor and then lift the ambient light sensor out of the computer Figure 38 Removing the ambient light sensor 6 Disconnect the ambient light sensor cable from the system board 7 Align the screw holes in the new ambient light sensor with the corresponding holes in the front bezel and then install the two screws to secure the ambient light sensor 8 Connect the new ambient light sensor cable to the system board See Locating parts on the system board on page 74 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the card reader Attention Do not open your computer or attempt any repair before reading and understanding Important Safety
56. alling or replacing a memory module use 2 GB 4 GB or 8 GB DDR3 SODIMMs in any combination up to a maximum of 16 GB To install or replace a memory module do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the frame stand See Installing the monitor stand on page 82 4 Remove the computer cover See Removing the computer cover on page 84 Chapter 9 Replacing FRUs 87 5 Locate the memory modules See Locating major FRUs and CRUs on page 71 6 Open the retaining clips If you are replacing an old memory module open the retaining clips and remove the memory module being replaced as shown Figure 16 Removing the memory module 7 Insert the notched end Hd of the new memory module into the slot Press the memory module firmly and pivot the memory module until it snaps into place Make sure that the memory module is secured in the slot and does not move easily Figure 17 Installing a memory module What to do next e To work with another piece of hardware go to the appropriate section e To complete the insta
57. and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the microprocessor fan See Locating major FRUs and CRUs on page 71 5 Remove the VESA mount bracket and disconnect the cables of the microprocessor fan from the system board See Replacing the thermal sensor on page 98 6 Remove the screws to disengage the microprocessor fan from the chassis Figure 48 Removing the microprocessor fan 7 Align the screw holes in the new microprocessor fan with the corresponding ones in the chassis Then install the screws to secure the new microprocessor fan to the chassis 8 Connect the cables of the new microprocessor fan to the system board See Locating parts on the system board on page 74 9 Reinstall the VESA mount bracket See Replacing the thermal sensor on page 98 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 118 ThinkCentre M93zHardware Maintenance Manual Replacing the LCD panel Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the LCD panel To replace the LCD panel do the
58. and understanding Important Safety Information on page 1 This section provides instructions on how to install the monitor stand Note The monitor stand is available only in some models To install the monitor stand do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 If your computer is installed with a frame stand press the release button toward the top of the computer and lift the frame stand off the computer Figure 10 Removing the frame stand 4 To install the monitor stand align the two clips on the top of the monitor stand with the two holes in the chassis and then press the release button toward the top of the computer until the monitor stand is secured in position 82 ThinkCentre M93zHardware Maintenance Manual Figure 11 Installing the monitor stand 5 After installing the monitor stand pull up the computer to the vertical position and remove the monitor stand lock to adjust the height of the monitor stand The monitor stand has a height adjustment range of 110 millimeters 4 33 inches Chapter 9 Replacing FRUs 83
59. any FRU read Chapter 2 Safety information on page 3 These precautions and guidelines will help you work safely FRU replacements are to be done by trained service technicians only Handling static sensitive devices Do not open the static protective package containing the new part until the defective part has been removed from the computer and you are ready to install the new part Static electricity although harmless to you can seriously damage computer components and parts When you handle parts and other computer components take these precautions to avoid static electricity damage e Limit your movement Movement can cause static electricity to build up around you e Always handle parts and other computer components carefully Handle PCI cards memory modules system boards and microprocessors by the edges Never touch any exposed circuitry e Prevent others from touching the parts and other computer components e Before you replace a new part touch the static protective package containing the part to a metal expansion slot cover or other unpainted metal surface on the computer for at least two seconds This reduces static electricity from the package and your body e When possible remove the new part from the static protective packaging and install it directly in the computer without setting the part down When this is not possible place the static protective package that the part came in on a smooth level surface and
60. at are connected to the computer Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Remove the rear I O assembly See Removing and reinstalling the rear I O assembly on page 86 Locate the WiFi antennas and the WiFi card See Locating major FRUs and CRUs on page 71 Note the cable routing of the WiFi antennas and disconnect the WiFi antennas cables from the WiFi card Then remove the WiFi antennas from the chassis Peel off the paper that protects the stickers on the new WiFi antennas O O1 E Ww N q Figure 56 Peeling off the paper that protects the stickers 8 Note the length of the new WiFi antennas cables and stick the new WiFi antennas to the chassis as shown Then connect the two cables of the new WiFi antennas to the WiFi card 126 ThinkCentre M93zHardware Maintenance Manual Figure 57 Installing the WiFi antennas Notes e The black cable should be connected to the lower WiFi card connector MAIN The grey cable should be connected to the upper WiFi card connector AUX e Ensure that the WiFi cables are routed correctly Keep the WiFi cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover Wha
61. at previously worked does not work now Symptom An option that previously worked does not work now Actions e Verify that all option hardware and cable connections are secure e If the option comes with its own test instructions use those instructions to test the option e If the failing option is a SCSI option verify that The cables for all external SCSI options are connected correctly The last option in each SCSI chain or the end of the SCSI cable is terminated correctly All external SCSI options are turned on External SCSI options must be turned on before the computer is turned on For more information see your SCSI documentation e Verify that the option and any required device drivers are installed correctly If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 Performance and lockup problems Poor performance and lockup problems can be a result of any of the following e Insufficient free hard disk drive space on page 49 e Excessive number of fragmented files on page 50 e Insufficient memory on page 51 Make a selection from the above list to find out more about the corrective actions you can take Insufficient free hard disk drive space Symptom Insufficient free hard disk drive space The Windows operating system will slow down and
62. ation des prises unites D branchez les cables d interface des connecteurs N m 3 Branchez les cables d interface sur des connecteurs D branchez tous les cables des unit s 4 Branchez les cordons d alimentation sur des prises 5 Mettez les unit s SOUS TENSION A ATTENTION Remplacer la pile au lithium usag e par une pile de r f rence identique exclusivement r f rence 45C 1566 ou suivre les instructions du fabricant qui en d finit les quivalences Si votre syst me est dot d un module contenant une pile au lithium vous devez le remplacer uniquement par un module identique produit par le m me fabricant La pile contient du lithium et peut exploser en cas de mauvaise utilisation de mauvaise manipulation ou de mise au rebut inappropri e Ne pas e la jeter a l eau e l exposer des temp ratures sup rieures 100 C e chercher la r parer ou la d monter Ne pas mettre la pile la poubelle Pour la mise au rebut se reporter la r glementation en vigueur 16 ThinkCentre M93zHardware Maintenance Manual A ATTENTION Si des produits laser tels que des unit s de CD ROM de DVD ROM des unit s fibres optiques ou des metteurs sont install s prenez connaissance des informations suivantes e Ne retirez pas le carter En ouvrant l unit de CD ROM ou de DVD ROM vous vous exposez au rayonnement dangereux du laser Aucune pi ce de l unit n est r parable e Pour viter
63. c Startup Sequence and the Error Startup Sequence Read the information displayed on the right side of the screen 4 Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 60 Enabling ErP compliance mode You can enable the energy related products directive ErP compliance mode through the Power menu in the Setup Utility program to reduce the consumption of electricity when your computer is in standby or off mode To enable ErP compliance mode in the Setup Utility program do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 2 From the Setup Utility program main menu select Power gt Enhanced Power Saving Mode and press Enter Select Enabled and press Enter From the Power menu select Automatic Power On and press Enter Select Wake on Lan and press Enter Select Disabled and press Enter NO q ro Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Note When ErP compliance mode is enabled you can wake up your computer by doing one of the following e Pressing the power switch e Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time To enable the wake up on alarm feature do the following 58 ThinkCentre M93zHardware Maintenance Manual Start the Setup Utility program Fro
64. cannot correct the problem have the computer serviced See Lenovo Support Web site on page 31 Serial port problems Use this information to troubleshoot the serial port and devices attached to the serial port Symptom Serial port cannot be accessed Actions e Make sure the serial cable is securely connected to the serial port on the computer and to the serial device If the serial device has its own power cord make sure it is attached to a properly grounded electrical outlet e Ifthe serial device has its own On Off switch make sure it is in the On position e f the serial device has an Online switch make sure it is in the Online position e lf the serial device is a printer make sure paper is loaded correctly e Verify that any software supplied with the serial device is correctly installed Refer to the documentation for the serial device option e Make sure that the serial port adapter if you added one is properly installed and firmly seated If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 Chapter 5 Troubleshooting and diagnostics 51 Software problems Select your symptom from the following list e When using a sort feature dates do not sort in the correct order on page 52 e Software does not work as expected on page 52 When using a so
65. card Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information in the ThinkCentre Safety and Warranty Guide that came with your computer To obtain a copy of the ThinkCentre Safety and Warranty Guide go to http www lenovo com support This section provides instructions on how to replace the mSATA solid state drive or the mini PCI Express x1 card Notes e The mSATA solid state drive or mini PCI Express x1 card is available only in some models e Your computer can support mini PCI Express x1 card function with limitation 108 ThinkCentre M93zHardware Maintenance Manual To replace the mSATA solid state drive or mini PCI Express x1 card do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 84 3 Remove the rear I O assembly See Removing and reinstalling the rear I O assembly on page 86 4 Remove the screw E that secures the mSATA solid state drive or mini PCI Express x1 card Then remove the mSATA solid state drive or mini PCI Express x1 card from the chassis Figure 40 Removing the screw that secures the mSATA solid state drive or mini PCI Express x1 card Chapter 9 Replacing FRUs 109 5 Ca
66. card e Secure Digital eXtended Capacity SDXC card e Secure Digital High Capacity SDHC card Locating major FRUs and CRUs Figure 3 Locating major FRUs and CRUs for models with the 23 inch display on page 72 shows the locations of the major FRUs and CRUs in the computer To remove the computer cover see Removing the computer cover on page 84 Chapter 8 Locations 71 Figure 3 Locating major FRUs and CRUs for models with the 23 inch display 72 ThinkCentre M93zHardware Maintenance Manual The following table lists the major FRUs shown in Figure 3 Locating major FRUs and CRUs for models with the 23 inch display on page 72 and identifies which FRUs are also self service CRUs or optional service CRUs Notes e Self service CRUs These CRUs unplug or are secured by no more than two screws Examples of these types of CRUs include the keyboard the mouse any USB device and the power cord Other self service CRUs depending on product design might include memory modules adapter cards hard disk drives and optical drives e Optional service CRUs These CRUs are isolated parts within the computer and are concealed by an access panel that is typically secured by more than two screws Once the access panel is removed the specific CRU is visible vember rau TETAS I Fame sand ormonior stan rien DO remaseso DO ressa Ca few DO wrana oo Microprocessor Heat sink and fan assembly for graphics an
67. ce Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the rear I O assembly See Locating major FRUs and CRUs on page 71 5 Remove the screws fl that secure the rear I O assembly to the chassis Then lift the rear I O assembly upward to remove it from the rear I O assembly slot 86 ThinkCentre M93zHardware Maintenance Manual Figure 15 Removing the rear I O assembly 6 To reinstall the rear I O assembly align the screw holes in the rear I O assembly with those in the chassis Then press the top of the rear I O assembly downward until it snaps into place 7 Install the screws to secure the rear I O assembly to the chassis What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Installing or replacing a memory module Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to install or replace a memory module Your computer has two slots for installing or replacing DDR3 SODIMMs that provide up to a maximum of 16 GB system memory When inst
68. ce Manual mvnr NAN marx 25 ey Day IN LOIR WO pnn DVD pvp Nd PD A aan mpnn nya n 21Dn 275 NMP ANwWNI 029 Ady WIN AWM DW AMON mon DON NX WON IN Jpnnn nina 21970 Ma OPIN PR DION AM PI ANWNI 01149 Dy ND DYININAN NINN MANX 07979 VISA IN NMPII LAMY DOWNY 130 nxan AINTRI 25 www Class 3B 1x Class 3A non 12792 NIT DOIN MAYON 1179 aum UD TRS NAVA MY Y WAN IX IPA NM van IX APD NYP 0919 Winn NINO NIN INI Np ANwnN ym 279 37 a p 18S x gt 70 5 a p 32 lt 9 121 2 a p 55 lt DINT Dona wnanwn nya D NMININ msn nam men APND poronn MEYN Dar NX MON DMX 2nnn PID DW n gt yonn anm pnnn gt n gt yann 8N9 pnnnn YMnwnn ovo 55 nx 9909 TNAX YNWN Haan ANY 21229 WY IPNNN ona i i i 2nnn Npnn DPI Ynwnn 925 Dw INN AA 20 gt u Chapter 2 Safety information 21 AA PERICOLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione pu essere pericolosa Per evitare il rischio di scosse elettriche e Non collegare o scollegare qualsiasi cavo oppure effettuare l installazione la manutenzione o la riconfigurazione del prodotto durante un temporale e Collegare tutti i fili elettrici a una presa di alimentazione correttamente cablata e dotata di messa a terra e Collegare alle prese elettriche appropriate tutte le apparecchiature che verranno utilizzate per questo prodotto e Se possibile utilizzare solo una mano per collegare o scollegare i cavi di segna
69. ce Manual Note Place the heat sink on its side so that the thermal grease on the bottom of it does not get in contact with anything 7 Remove the microprocessor See Replacing the microprocessor on page 94 8 Remove the memory modules See Installing or replacing a memory module on page 87 9 Remove the heat sink and fan assembly for GPU if your computer has one See Replacing the heat sink and fan assembly for GPU on page 111 10 Remove the card reader if your computer has one See Replacing the card reader on page 107 11 Remove the ExpressCard if your computer has one See Replacing the ExpressCard on page 110 12 Remove the WiFi card if your computer has one See Replacing the WiFi card on page 105 13 Note the locations of all cables connected to the system board and disconnect all cables See Locating parts on the system board on page 74 14 Follow the sequence to remove the screws E to J that secure the system board to the chassis Then carefully lift the system board out of the chassis H HS a ti amp _U G n Figure 51 Removing the system board 15 Place the new system board int
70. ched devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer Remove the computer cover See Removing the computer cover on page 84 Locate the Clear CMOS Recovery jumper on the system board See Locating parts on the system board on page 74 Remove any cables that impede access to the Clear CMOS Recovery jumper Move the jumper from the standard position pin 1 and pin 2 to the maintenance position pin 2 and pin 3 Reconnect any cables that were disconnected Reinstall the computer cover and connect the power cord See Completing the parts replacement on page 127 Turn on the computer and then insert the POST and BIOS update flash update disc into the optical drive Wait a few minutes Then the recovery session begins The recovery session will take two to three minutes During this time a warning message will be displayed and no action is needed from you After the recovery session is completed there will be no video and your computer will automatically turn off Repeat step 1 through step 4 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 Reconnect any cables that were disconnected Reinstall the computer cover and reconnect any cables that were disconnected Turn on the computer to restart the operating system Chapter 10 Additional Service Information 131
71. computer cannot access programs from its own hard 1 If network administrator is using LCCM Hybrid RPL disk check startup sequence a First device network b Second device hard disk 2 Hard disk drive RPL computer does not RPL from server 1 Check startup sequence 2 Check the network adapter LED status Serial port device failure adapter port 1 External Device Self Test OK 2 External Device 3 Cable 4 Alternate Adapter 5 System Board Some or all keys on the keyboard do not work 1 Keyboard 2 Keyboard Cable 3 System Board 64 ThinkCentre M93zHardware Maintenance Manual Undetermined problems This section provides instructions on how to find out the failing devices or adapters 1 Power off the computer 2 Remove or disconnect the following components if installed one at a time a Diskette drive h e 00200 Any adapters External Cache External Cache RAM External devices Modem printer or Mouse Hard disk drive Internal devices card reader Wi Fi card ExpressCard camera touch panel control board rear I O board or cables Memory modules 3 Power on the computer to re test the system 4 Repeat steps 1 through 3 until you find the failing device or adapter If all devices and adapters have been removed and the problem continues replace the system board Chapter 7 Symptom to FRU index 65 66 ThinkCentre M93zHardware Maintenance Manual Chapter 8 Locations
72. connector on the computer e Make sure the cable that attaches the left speaker to the right speaker is securely connected e Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Balance settings are set correctly If these actions do not correct the problem you might have a failing speaker Have the speaker serviced If you need technical assistance see Lenovo Support Web site on page 31 No audio in DOS applications or games Symptom No audio in DOS applications or games Actions e Make sure the DOS application or game is configured to use SoundBlaster Pro or SoundBlaster emulation Refer to the documentation that comes with the application or game for instructions on setting sound card settings e f these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 CD problems Select your symptom from the following list e An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive on page 38 e A CD or DVD does not work on page 39 e Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer on page 39 An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive
73. crews cannot be removed from the heat sink and fan assembly for GPU Figure 43 Removing the heat sink and fan assembly for GPU 7 Lift the failing heat sink and fan assembly for GPU off the system board Notes a You might have to gently twist the heat sink and fan assembly for GPU to free it from the microprocessor b Do not touch the thermal grease while handling the heat sink and fan assembly for GPU 8 Position the new heat sink and fan assembly for GPU on the system board so that the four screws are aligned with the corresponding holes in the system board 9 Follow this sequence to install the four screws to secure the heat sink and fan assembly for GPU as shown in Figure 43 Removing the heat sink and fan assembly for GPU on page 112 112 ThinkCentre M93zHardware Maintenance Manual a Partially tighten screw E then fully tighten screw EE and then fully tighten screw EL b Partially tighten screw EE then fully tighten screw E and then fully tighten screw EL 10 Connect the GPU fan cable to the system board See Locating parts on the system board on page 74 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the rear PS 2 connectors and serial port assembly Attention Do not open your computer or attempt any repair before reading and understanding Im
74. ctions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for
75. d the VPD must be updated To update the VPD see Flash update procedures on page 129 BIOS levels An incorrect level of BIOS can cause false errors and unnecessary FRU replacement Use the following information to determine the current level of BIOS installed in the computer the latest BIOS available for the computer and where to obtain the latest level of BIOS e To determine the current Level of BIOS Start the Setup Utility Select Main gt BIOS Revision Level e Sources for obtaining the latest level BIOS available 1 Lenovo support web site http www lenovo com support 2 Lenovo Customer Support Center 3 Levels 1 and 2 Support To update flash the BIOS see Flash update procedures on page 129 Note BIOS settings vary by operating system Change the BIOS settings before installing a new operating system See Changing the BIOS settings before installing a new operating system on page 60 Flash update procedures This section details how to flash update the BIOS Copyright Lenovo 2013 129 Updating flashing the BIOS from a disc This section provides instructions on how to update flash the BIOS from a disc on the Windows 8 64 bit operating system and on other operating systems Note You can download a self starting bootable disc image known as an ISO image with the system program updates to create a system program update disc Go to http www lenovo com support To updat
76. d Windows Vista are trademarks of the Microsoft group of companies Other company product or service names may be trademarks or service marks of others 134 ThinkCentre M93zHardware Maintenance Manual Index A Administrator password 56 ambient light sensor replacing 106 basic troubleshooting 35 battery replacing 114 BIOS settings changing 60 boot block recovery 131 C card reader replacing 107 changing password 56 startup device sequence 58 cleaning an optical mouse 43 CMOS clearing 57 components internal 71 computer cover removing 84 computer cover reinstalling 127 connectors rear 70 connectors controls indicators front 67 considerations passwords 56 converter board replacing 91 cover presence switch replacing 100 CRUs Customer Replacable Units returning defective 71 D deleting a password 56 devices handling static sensitive 81 diagnostics troubleshooting 35 E environment operating 30 exiting Setup Utility 60 ExpressCard replacing 110 external options installing 81 F failure recovering from POST BIOS 131 flashing the BIOS 130 frame foot removing 85 front connectors controls indicators 67 FRU Copyright Lenovo 2013 completing the installation 127 FRU locations 71 FRU part numbers 1 67 74 FRUs replacing 81 G GPU heat sin and fan replacing 111 H hard disk drive replacing 88 heat sink replacing 92 Identifying FRUs 71 installing operati
77. djusts the difference between light and dark areas Image Position Horizontal Position Moves the image left or right Vertical Position E Moves the image up or down Image Setup Automatic Y Optimizes the image size position phase and clock Manual Manually optimizes the image phase and clock Image Properties Color Adjusts the intensity of red green and blue Scaling E Expands the image to full screen Options Information hd Displays the resolution refresh rate and product details Menu Language E Changes the language of the menu Menu Position Bl Adjusts the location of the menu Factory Default E Resets the monitor to original settings Accessibility Changes the menu time out settings Advanced Settings Ctrl Alt Del Displays the system restart menu Debug Mode Displays the debug information after the computer restarts only for Lenovo trained service personnel Note By default this function is disabled to ensure that your computer can work properly LED Switch Turns on or turns off the LEDs Exit El Exits the OSD menu Chapter 8 Locations 69 Locating connectors on the rear of your computer Figure 2 Rear connector locations on page 70 shows the locations of the connectors on the rear of your computer Some connectors on the rear of your computer are color coded to help you determine where to connect the cables on your co
78. dware and software combinations that can be encountered use the following information to assist you in problem determination If possible have this information available when requesting assistance from Service Support and Engineering functions e Machine type and model e Processor or hard disk drive upgrades e Failure symptom Do diagnostics indicate a failure What when where single or multiple systems Is the failure repeatable Copyright Lenovo 2013 33 Has this configuration ever worked If it has been working what changes were made prior to it failing Is this the original reported failure e Diagnostics version Type and version level e Hardware configuration Print print screen configuration currently in use BIOS level e Operating system software Type and version level Notes To eliminate confusion identical systems are considered identical only if they 1 Are the exact machine type and models Have the same BIOS level Have the same adapters attachments in the same locations Have the same address jumpers terminators cabling Have the same software versions and levels Have the same Diagnostic Diskettes version Have the same configuration options set in the system 8 Have the same setup for the operating system control files NO oO fF W PY Comparing the configuration and software set up between working and non working systems will often lead to problem r
79. e in the ThinkCentre Safety Warranty and Setup Guide for information about replacing and disposing of the battery To replace the battery do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the battery See Locating parts on the system board on page 74 5 Press the tab on the battery socket outward to remove the old battery Figure 45 Removing the old battery 6 Install a new battery Figure 46 Installing a new battery 7 Reinstall the computer cover and connect the cables See Completing the parts replacement on page 127 Note When the computer is turned on for the first time after replacing the battery an error message might be displayed This is normal after replacing the battery 8 Turn on the computer and all attached devices 9 Use the Setup Utility program to set the date time and any passwords See Chapter 6 Using the Setup Utility program on page 55 What to do next e To w
80. e flash the BIOS from a disc on the Windows 8 64 bit operating system do the following 1 10 11 12 13 Start the Setup Utility program See Starting the Setup Utility program on page 55 2 From the Setup Utility program main menu select Exit gt OS Optimized Default gt Disabled 3 4 Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program Select Yes in the window displayed and press Enter to confirm your selection on page 60 Repeatedly press and release F12 when turning on the computer When the Startup Device Menu window opens release F12 From the Startup Device Menu window select the desired optical drive as the startup device Then insert the disc into this optical drive and press Enter The update begins When prompted to change the serial number it is suggested that you do not make this change by pressing N However if you do want to change the serial number press Y and then type in the serial number and press Enter When prompted to change the machine type and model it is suggested that you do not make this change by pressing N However if you do want to change the machine type and model press Y and then type in the machine type and model and press Enter Follow the instructions on the screen to complete the update After the update is completed remove the disc from the optical drive Restart your computer and start
81. e again to start a disk defragmentation process 50 ThinkCentre M93zHardware Maintenance Manual Insufficient memory Symptom Insufficient memory In general the more memory that is installed the better the Windows operating system runs Action Install additional memory For information about purchasing memory see Lenovo Support Web site on page 31 For step by step instructions on installing memory see Installing or replacing a memory module on page 87 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 Printer problems Symptom The printer does not work Actions Verify that 1 The printer is turned on and is online 2 Paper is loaded correctly 3 The printer signal cable is securely connected to the correct parallel serial or USB connector on the computer Note Non IEEE approved printer signal cables might cause unpredictable problems 1 Any device drivers and other software that came with the printer are correctly installed 2 You have assigned the printer port correctly in your operating system application program or BIOS settings For more information about BIOS settings see Chapter 6 Using the Setup Utility program on page 55 If the problem persists run the tests described in the documentation that comes with your printer If you
82. e monitor Moving a color monitor while it is turned on might cause screen discoloration 2 Adjust the placement of the monitor and other devices so that they are at least 305 mm 12 inches apart 3 Turn on the monitor If these actions do not correct the problem your monitor might need service See Lenovo Support Web site on page 31 for details Networking problems The following are the most common networking problems Select your networking problem from the following list e Ethernet problems on page 45 e A wireless LAN problem on page 47 e A wireless WAN problem on page 47 e Bluetooth problems on page 48 Ethernet problems For Ethernet problems select your symptom from the following list e Your computer cannot connect to the network on page 46 Chapter 5 Troubleshooting and diagnostics 45 e The adapter stops working for no apparent reason on page 46 e If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur on page 47 e If your computer is a Gigabit Ethernet model it cannot connect to the network at 1000 Mbps Instead it connects at 100 Mbps on page 47 Your computer cannot connect to the network Symptom Your computer cannot connect to the network Actions Ensure that e The cable is installed properly The network cable must be securely connected to both the Ethernet connector of your computer and
83. ect all cables that are connected to the computer Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Locate the heat sink See Locating major FRUs and CRUs on page 71 Follow this sequence to remove the four screws that secure the heat sink to the system board a Partially remove screw El then fully remove screw EL and then fully remove screw EL b Partially remove screw EE then fully remove screw EJ and then fully remove screw El Note Carefully remove the four screws from the system board to avoid any possible damage to the system board The four screws cannot be removed from the heat sink Figure 24 Removing the heat sink Remove the failing heat sink off the system board Notes a You might have to gently twist the heat sink to free it from the microprocessor b Do not touch the thermal grease while handling the heat sink Position the new heat sink on the system board so that the four screws are aligned with the corresponding holes in the system board Follow this sequence to install the four screws to secure the heat sink as shown in Figure 24 Removing the heat sink on page 93 a Partially tighten screw E then fully tighten screw EE and th
84. elefone e de comunica es perigosa 10 ThinkCentre M93zHardware Maintenance Manual Para evitar risco de choque el trico e N o conecte nem desconecte nenhum cabo ou execute instala o manuten o ou reconfigura o deste produto durante uma tempestade com raios e Conecte todos os cabos de alimenta o a tomadas el tricas corretamente instaladas e aterradas e Todo equipamento que for conectado a este produto deve ser conectado a tomadas corretamente instaladas e Quando poss vel utilize apenas uma das m os para conectar ou desconectar cabos de sinal e Nunca ligue nenhum equipamento quando houver evid ncia de fogo gua ou danos estruturais e Antes de abrir tampas de dispositivos desconecte cabos de alimenta o sistemas de telecomunica o redes e modems conectados a menos que especificado de maneira diferente nos procedimentos de instala o e configura o e Conecte e desconecte os cabos conforme descrito na tabela apresentada a seguir ao instalar mover ou abrir tampas deste produto ou de dispositivos conectados Para Conectar Para Desconectar DESLIGUE Tudo DESLIGUE Tudo Primeiramente conecte todos os cabos aos Primeiramente remova os cabos de alimenta o das dispositivos tomadas 3 Conecte os cabos de sinal aos conectores 3 Remova os cabos de sinal dos conectores 4 Conecte os cabos de alimenta o s tomadas 4 Remova todos os cabos dos dispositivos 5 LIGUE os disp
85. em board See Locating parts on the system board on page 74 Go to Completing the parts replacement on page 127 The failing system board must be returned with a microprocessor socket cover to protect the pins during shipping and handling To install the microprocessor socket cover do the following 1 2 3 Release the lever securing the microprocessor retainer and open the retainer to access the microprocessor Grasp the microprocessor on the sides and lift it straight up and out of the socket Do not touch the contacts on the microprocessor socket Close the microprocessor retainer and then lower the lever to secure the retainer Ensure that the lever is locked into position 122 ThinkCentre M93zHardware Maintenance Manual 4 Note the orientation of the socket cover and install one side of the socket cover into the microprocessor socket Figure 53 Installing one side of the socket cover into the microprocessor socket Note Your microprocessor socket and cover might look slightly different from the illustration 5 Carefully press the other side of the socket cover downward until the socket cover snaps into position 6 Carefully check the four corners of the socket cover to make sure that the cover is secured in the microprocessor socket 7 Follow any additional instructions included with the replacement part you received Replacing the touch panel control boards Attention Do not open your c
86. en fully tighten screw b Partially tighten screw EE then fully tighten screw E and then fully tighten screw EL Chapter 9 Replacing FRUs 93 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the microprocessor Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the microprocessor CAUTION The heat sink and microprocessor might be very hot Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover To replace the microprocessor do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the system board and disconnect all cables connected to the system board See Locating parts on the system board on page 74 5 Remove the heat sink to gain
87. esolution 34 ThinkCentre M93zHardware Maintenance Manual Chapter 5 Troubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic programs If your computer problem is not described here see Lenovo Support Web site on page 31 for additional troubleshooting resources Basic troubleshooting The following table provides information to help you troubleshoot your computer problems Note If you cannot correct the problem have the computer serviced For a list of service and support telephone numbers refer to the Safety Warranty and Setup Guide that comes with your computer or go to the Lenovo Support Web site at http www lenovo com support phone Son on TT The computer does not start Verify that when you press the power switch The power cord is correctly connected to the rear of the computer and to a working electrical outlet If your computer has a secondary power switch on the rear of the computer make sure that it is switched on The power indicator on the front of the computer is on The computer voltage matches the voltage available at the electrical outlet for your country or region The keyboard does not work Verify that e The computer is turned on e The keyboard is securely connected to a USB connector or a PS2 connector on the computer e No keys are stuck The mouse does not work Verify that e The computer is turned on e The mouse is securely co
88. following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Locate the LCD panel See Locating major FRUs and CRUs on page 71 Remove the frame foot See Removing and reinstalling the frame foot a Aa Remove the 21 screws that secure the LCD bracket to the front bezel Figure 49 Removing the LCD bracket 7 Disconnect
89. g major FRUs and CRUs on page 71 Note the routing of the cover presence switch cable and then disconnect the cover presence switch cable from the system board Remove the screws El that secure the VESA mount bracket and then lift the VESA mount bracket off the chassis Figure 32 Removing the VESA mount bracket Press the cover presence switch clips inward to disengage the cover presence switch from the VESA mount bracket Note The location of the cover presence switch in your computer might be slightly different from the illustration Chapter 9 Replacing FRUs 101 Figure 33 Removing the cover presence switch 8 To install a new cover presence switch insert the new cover presence switch into the corresponding hole in the VESA mount bracket and then press the cover presence switch towards the VESA mount bracket until it snaps into position Note The location of the cover presence switch in your computer might be slightly different from the illustration 102 ThinkCentre M93zHardware Maintenance Manual Figure 34 Removing the cover presence switch 9 Connect the cover presence switch cable to the system board See Locating parts on the system board on page 74 10 Align the screw holes in the VESA mount bracket with those in the chassis and then install the screws to secure the VESA mount bracket to the chassis What to do next e
90. gram main menu select Power Select Intelligent Cooling Engine ICE The Intelligent Cooling Engine ICE window is displayed Select ICE Performance Mode The ICE Performance Mode window is displayed Select Better Acoustic Performance or Better Thermal Performance as desired oa RK W DY Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 60 ICE thermal alert You can monitor the thermal function of your computer under critical thermal situations through the ICE Thermal Alert menu Two choices are available e Enabled default setting e Disabled After enabling the ICE thermal alert function when critical thermal situations occur such as malfunctioning fans abnormally high temperature and poor cooling performances an alert log will be written into the Windows system log The alert log can help you identify the thermal problems To configure the ICE thermal alert function do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 Chapter 6 Using the Setup Utility program 59 OO wm DY From the Setup Utility program main menu select Power Select Intelligent Cooling Engine ICE The Intelligent Cooling Engine ICE window is displayed Select ICE Thermal Alert The ICE Thermal Alert window is displayed Select Enabled or Disabled as desired Press F10 to save changes and exit the Set
91. gth e Contain at least one alphabetic character and one numeric character e Setup Utility program and hard disk drive passwords are not case sensitive e Not be your name or your user name e Not be a common word or a common name e Be significantly different from your previous passwords Power On Password When a Power On Password is set you are prompted to type a valid password each time the computer is turned on The computer cannot be used until the valid password is typed in Administrator Password Setting an Administrator Password deters unauthorized users from changing configuration settings If you are responsible for maintaining the configuration settings of several computers you might want to set an Administrator Password When an Administrator Password is set you are prompted to type a valid password each time you try to access the Setup Utility program The Setup Utility program cannot be accessed until a valid password is typed in If both the Power On Password and Administrator Password are set you can type either password However you must use your Administrator Password to change any configuration settings Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive When a Hard Disk Password is set you are prompted to type a valid password each time you try to access the hard disk drive Notes e After you set a Hard Disk Password your data on the hard disk dri
92. hapter 9 Replacing FRUs 99 Figure 31 Removing the thermal sensor 9 Connect the thermal sensor cable to the system board See Locating parts on the system board on page 74 10 Align the screw holes in the VESA mount bracket with those in the chassis and then install the screws to secure the VESA mount bracket to the chassis What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the cover presence switch also called intrusion switch Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the cover presence switch To replace the cover presence switch do the following 100 ThinkCentre M93zHardware Maintenance Manual Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 4 Locate the cover presence switch See Locatin
93. he units e If an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid 4 ThinkCentre M93zHardware Maintenance Manual Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products Each machine as it was designed and built had required safety items installed to protect users and service personnel from injury This guide addresses only those items However good judgment should be used to identify potential safety hazards due to attachment of features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present e Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock e Explosive hazards such as a damaged CRT face or bulging capacitor e Mechanical hazards such as loose or missing hardware The guide consists of a series of steps presented in a checklist Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off the computer Disconnect the power cord 3 Check the power cord for a
94. hen disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 110 ThinkCentre M93zHardware Maintenance Manual 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the ExpressCard See Locating major FRUs and CRUs on page 71 5 Carefully remove the four screws J that secure the ExpressCard to the system board and then lift it off the system board Figure 42 Removing the ExpressCard 6 Connect the new ExpressCard to the ExpressCard connector on the system board Align the screw holes in the new ExpressCard with the corresponding holes in the system board and then install the four screws to secure the new ExpressCard to the system board What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the heat sink and fan assembly for GPU Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the heat sink and fan assembly for GPU Note The heat sink
95. her software works on your computer The software you are using works correctly on another computer e f you received any error messages while using the software program see the printed documentation supplied with the software or the help system for that software for a description of the messages and solutions to the problem e Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web e If the software program used to work correctly but does not work correctly now do the following On the Windows 7 operating system click Start gt Control Panel gt System and Security gt System gt System Protection gt System Restore Then follow the instructions on the screen On the Windows 8 operating system open Control Panel and click System and Security gt System gt System Protection gt System Restore Then follow the instructions on the screen e f you are unable to resolve the problem through other methods uninstall the software program and reinstall it If these actions do not correct the problem you might need technical assistance Contact your software manufacturer or see Lenovo Support Web site on page 31 for details 52 ThinkCentre M93zHardware Maintenance Manual USB problems Symptom The USB connectors cannot be accessed Actions e Make sure the USB cable is securely connected to the USB connector and to
96. ick the More Options tab In the Programs and Features area click the Clean up button NO 1 mm A list of installed programs is displayed Select the program that you want to remove Click Uninstall Change e Clean out your Inbox Sent Items and Deleted Items folders from your e mail application The folder names and procedures vary depending on your e mail application If you need assistance see the help system for your e mail application Excessive number of fragmented files Symptom Excessive number of fragmented files Action Run the Windows Disk Defragmenter program Note Depending on the size of the hard disk drive and amount of data currently stored on the hard disk drive the disk defragmentation process might take up to several hours to complete On the Windows 7 operating system do the following 1 Close any programs that are currently running and close any open windows Click Start gt Computer Right click your C drive entry and then click Properties Click the Tools tab Click Defragment Now then click Continue oar W DY Click Defragment Now again to start a disk defragmentation process On the Windows 8 operating system do the following 1 Close any programs that are currently running and close any open windows Open the Windows Explorer and click Computer Right click your C drive entry and then click Properties Click the Tools tab Click Optimize oar WO DY Click Optimiz
97. ing the computer cover on page 84 4 Locate the internal speakers See Locating major FRUs and CRUs on page 71 5 Note the location of the internal speaker cable connection Note the routing of the internal speaker cables Disconnect the internal speaker cables from the system board 6 Remove the two screws that secure each internal speaker to the front bezel and then remove the internal speakers from the computer Figure 28 Removing the internal speakers 7 Route the new internal speaker cables and then position the new internal speakers on the front bezel so that the two screw holes in each internal speaker align with those in the front bezel 8 Reinstall the two screws to secure each of the internal speakers to the front bezel 9 Reconnect the internal speaker cables to the system board See Locating parts on the system board on page 74 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Chapter 9 Replacing FRUs 97 Replacing the thermal sensor Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the thermal sensor To replace the thermal sensor do the following 1 2 7 98 Remove all media from the drives and tur
98. ircuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages these instructions are in the safety sections of maintenance information Use extreme care when measuring high voltages e Regularly inspect and maintain your electrical hand tools for safe operational condition e Do not use worn or broken tools and testers e Never assume that power has been disconnected from a circuit First check that it has been powered off e Always look carefully for possible hazards in your work area Examples of these hazards are moist floors nongrounded power extension cables power surges and missing safety grounds e Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage e Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of t
99. isk drives missing from the Setup Utility program on page 41 e No Operating System Found message or the system not starting from the correct hard disk drive on page 41 Some or all hard disk drives missing from the Setup Utility program Symptom Some or all hard disk drives missing from the Setup Utility program Actions e Ensure that all hard disk drive signal cables and power cables are connected correctly e Ensure that your computer is configured correctly to support the hard disk drives If your computer is installed with five SATA hard disk drives ensure that the SATA hard disk drive enablement module one to five hard disk drives is installed If your computer is installed with SAS hard disk drives ensure that the SAS hard disk drive enablement module one to five hard disk drives or the LSI MegaRAID SAS adapter is installed If these actions do not correct the problem run the diagnostic program Lenovo Solution Center See Lenovo Solution Center on page 53 If you need technical assistance see Lenovo Support Web site on page 31 No Operating System Found message or the system not starting from the correct hard disk drive Symptom No Operating System Found message or the system not starting from the correct hard disk drive Actions e Ensure that all hard disk drive signal cables and power cables are connected correctly e Ensure that the hard disk drive your computer starts from is listed as
100. le e Non accendere assolutamente apparecchiature in presenza di incendi perdite d acqua o danno strutturale e Scollegare i cavi di alimentazione i sistemi di telecomunicazione le reti e il modem prima di aprire i coperchi del dispositivo salvo istruzioni contrarie relative alle procedure di installazione e configurazione e Collegare e scollegare i cavi come descritto nella seguente tabella quando vengono effettuate operazioni di installazione spostamento o apertura dei coperchi di questo prodotto o delle unit collegate Per collegarsi Per scollegarsi SPEGNERE le apparecchiature SPEGNERE le apparecchiature Innanzitutto collegare tutti i cavi alle unit Innanzitutto rimuovere i cavi di alimentazione dalla Collegare i cavi di segnale ai connettori presa Collegare i cavi di alimentazione alla presa 3 Rimuovere i cavi di segnale dai connettori Accendere l unit 4 Rimuovere tutti i cavi dalle unit ATTENZIONE Quando si sostituisce la batteria al litio utilizzare solo il Numero parte 45C 1566 o un tipo di batteria equivalente consigliato dal produttore Se sul sistema presente un modulo che contiene una batteria al litio sostituirlo solo con un tipo di modulo dello stesso tipo della stessa casa di produzione La batteria contiene litio e pu esplodere se usata maneggiata o smaltita in modo non corretto Non e Gettare o immergere la batteria nell acqua e Riscaldarla ad una temperatura s
101. lease button El toward the top of the computer and then slide the optical drive out of the optical drive bay 90 ThinkCentre M93zHardware Maintenance Manual Figure 21 Removing the optical drive 6 To install a new optical drive slide the new optical drive into the optical drive bay until it snaps into position Figure 22 Installing the optical drive What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the converter board Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the converter board To replace the converter board do the following Chapter 9 Replacing FRUs 91 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Remove the optical drive See Replacing the optical drive on page 90 Locate the conve
102. lenovo ThinkCentre M93z Hardware Maintenance Manual 0 Thinkbentre Machine Types 10AC 10AD 10AE and 10AF Note Before using this information and the product it supports be sure to read and understand Chapter 2 Safety information on page 3 and Appendix A Notices on page 133 First Edition June 2013 Copyright Lenovo 2013 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Contents Chapter 1 About this manual Important Safety Information Chapter 2 Safety information General safety Electrical safety Safety inspection guide Handling electrostatic discharge sensitive devices Grounding requirements i Tip over hazard prevention notice Safety notices multi lingual translations Chapter 3 General information Specifications Lenovo programs Accessing Lenovo programs on nine Windows 7 operating system Accessing Lenovo programs on nine Windows 8 operating system Lenovo Support Web site Chapter 4 General checkout Problem determination tips Chapter 5 Troubleshooting and diagnostics Basic troubleshooting Accessing Control Panel on the Windows 8 operating system Troubleshooting procedure Troubleshooting Audio problems CD problems DVD problems Intermittent
103. llation or replacement go to Completing the parts replacement on page 127 Replacing the hard disk drive Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the hard disk drive To replace the hard disk drive do the following 88 ThinkCentre M93zHardware Maintenance Manual 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the hard disk drive in the computer See Locating major FRUs and CRUs on page 71 5 Press the clips of the hard disk drive bracket inward and then slide the hard disk drive to the left to remove it from the chassis Figure 18 Removing the hard disk drive 6 Flex the sides of the hard disk drive bracket properly to remove the hard disk drive out of the bracket 7 To install the new hard disk drive into the bracket flex the bracket and align pin pin pin EX and pin El on the bracket with the corresponding holes in the hard disk
104. lowing e Select USB Setup to enable or disable a USB device e Select ATA Drive Setup to enable or disable a SATA device Select the desired settings and press Enter Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 60 Chapter 6 Using the Setup Utility program 57 Selecting a startup device If your computer does not start up from a device such as the disc or hard disk drive as expected do one of the following to select the startup device you want Selecting a temporary startup device Use this procedure to select a temporary startup device Note Not all discs and hard disk drives are bootable 1 Turn off your computer 2 Repeatedly press and release the F12 key when turning on the computer When the Please select boot device window displays release the F12 key 3 Select the desired startup device and press Enter The computer will start up from the device you selected Note Selecting a startup device from the Please select boot device window does not permanently change the startup sequence Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 2 From the Setup Utility program main menu select Startup 3 Select the devices for the Primary Startup Sequence the Automati
105. lution Center on page 53 2 If you are unable to isolate and repair the problem yourself after running the diagnostic program save and print the log files created by the diagnostic program You will need the log files when you speak to a Lenovo technical support representative Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems It combines diagnostic tests system information collection security status and support information along with hints and tips for maximum system performance Notes e The Lenovo Solution Center program can be downloaded from http www lenovo com diags e If you are using other Windows operating system rather than Windows 7 and Windows 8 go to http www lenovo com diags for the latest information on diagnostics for your computer To run the Lenovo Solution Center program see Lenovo programs on page 30 For additional information refer to the Lenovo Solution Center help system Note If you are unable to isolate and repair the problem yourself after running the program save and print the log files You will need the log files when you speak to a Lenovo technical support representative Chapter 5 Troubleshooting and diagnostics 53 54 ThinkCentre M93zHardware Maintenance Manual Chapter 6 Using the Setup Utility program The Setup Utility program is used to view and change the configuration settings of your computer regardles
106. m the Setup Utility program main menu select Power gt Automatic Power On and press Enter Select Wake Up on Alarm and press Enter Then follow the instructions on the screen N Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit e Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after a sudden loss of electricity To enable the after power loss feature do the following 1 Start the Setup Utility program 2 From the Setup Utility program main menu select Power After Power Loss and press Enter 3 Select Power On and press Enter 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit ICE performance mode You can adjust the acoustic and thermal performance of your computer through the ICE Performance Mode menu Two choices are available e Better Acoustic Performance default setting e Better Thermal Performance By enabling Better Acoustic Performance your computer will run with less noise at a normal thermal level By enabling Better Thermal Performance your computer will run at a better thermal level with normal acoustic performance To configure the ICE performance mode do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 From the Setup Utility pro
107. mputer i ya Jo 15 rao i i Do Hm i yl gt so a N ya E E wile dA 2 Figure 2 Rear connector locations Optical drive optional El VGA in connector EJ PS 2 mouse connector optional USB 3 0 connectors USB ports 3 to 6 EJ PS 2 keyboard connector optional ExpressCard slot optional El Serial connector optional Card reader slot optional El Power cord connector USB 3 0 connector USB port 2 supporting USB charging Security lock slot Headset connector also known as combo audio connector 70 ThinkCentre M93zHardware Maintenance Manual Ethernet connector EE Microphone connector DisplayPort out connector EG USB 3 0 connector USB port 1 Notes e The headset connector EM supports a microphone integrated headset and does not support a conventional microphone e By default the USB 3 0 connector FE enables you to charge some mobile digital devices and smartphones when your computer is in sleep mode in hibernation mode or turned off The card reader slot is for 11 in 1 card readers supporting the following cards e Extreme Digital x D Picture Card type H e Extreme Digital x D Picture Card type M e Memory Stick MS e MS PRO e MultiMediaCard MMC e MultiMediaCard mobile MMC mobile e MultiMediaCard plus MMC plus e Reduced Size MultiMediaCard RS MMC e Secure Digital SD
108. n Modul desselben Typs und von demselben Hersteller ersetzen Die Batterie enthalt Lithium und kann bei unsachgemaBer Verwendung Handhabung oder Entsorgung explodieren Die Batterie nicht e mit Wasser in Ber hrung bringen 18 ThinkCentre M93zHardware Maintenance Manual e ber 100 C erhitzen e reparieren oder zerlegen Die rtlichen Bestimmungen f r die Entsorgung von Sonderm ll beachten A ACHTUNG Bei der Installation von Laserger ten wie CD ROM Laufwerken DVD aufwerken Einheiten mit Lichtwellenleitertechnik oder Sendern Folgendes beachten e Die Abdeckungen nicht entfernen Durch Entfernen der Abdeckungen des Laserger ts k nnen gef hrliche Laserstrahlungen freigesetzt werden Das Ger t enth lt keine zu wartenden Teile e Werden Steuerelemente Einstellungen oder Durchf hrungen von Prozeduren anders als hier angegeben verwendet kann gef hrliche Laserstrahlung auftreten A VORSICHT Einige Laserger te enthalten eine Laserdiode der Klasse 3A oder 3B Beachten Sie Folgendes Laserstrahlung bei ge ffneter Verkleidung Nicht in den Strahl blicken Keine Lupen oder Spiegel verwenden Strahlungsbereich meiden gt 18 kg gt 32 kg gt 55 kg ACHTUNG Arbeitsschutzrichtlinien beim Anheben der Maschine beachten AA ACHTUNG Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung fur die Einheit nicht unterbrochen Die Einheit kann auch mit mehreren Netzkabeln ausges
109. n off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 Locate the thermal sensor See Locating major FRUs and CRUs on page 71 Note the routing of the thermal sensor cable and then disconnect the thermal sensor cable from the system board Remove the screws fl that secure the VESA mount bracket and then lift the VESA mount bracket off the chassis Figure 29 Removing the VESA mount bracket Press the thermal sensor clips inward to disengage the thermal sensor from the VESA mount bracket Note The location of the thermal sensor in your computer might be slightly different from the illustration ThinkCentre M93zHardware Maintenance Manual Figure 30 Removing the thermal sensor 8 To install a new thermal sensor insert the new thermal sensor into the corresponding hole in the VESA mount bracket and then press the thermal sensor towards the VESA mount bracket until it snaps into position Note The location of the thermal sensor in your computer might be slightly different from the illustration C
110. nfalls an Schutzkontaktsteckdosen mit ordnungsgem geerdetem Schutzkontakt anschlie en e Die Signalkabel nach M glichkeit einhandig anschlie en oder l sen um einen Stromschlag durch Berthren von Oberflachen mit unterschiedlichem elektrischem Potenzial zu vermeiden e Ger te niemals einschalten wenn Hinweise auf Feuer Wasser oder Geb udesch den vorliegen Die Verbindung zu den angeschlossenen Netzkabeln Telekommunikationssystemen Netzwerken und Modems ist vor dem Offnen des Geh uses zu unterbrechen sofern in den Installations und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind e Zum Installieren Transportieren und Offnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gemaB der folgenden Tabelle anschlieBen und abziehen Schalten Sie alle Einheiten AUS Schalten Sie alle Einheiten AUS SchlieBen Sie erst alle Kabel an die Einheiten an Ziehen Sie zuerst alle Netzkabel aus den SchlieBen Sie die Signalkabel an die Buchsen an Netzsteckdosen 3 Ziehen Sie die Signalkabel aus den Buchsen SchlieBen Sie die Netzkabel an die Steckdose an Schalten Sie die Einheit EIN 4 Ziehen Sie alle Kabel von den Einheiten ab CAUTION Eine verbrauchte Lithiumbatterie nur durch eine Batterie mit der Teilenummer 45C1566 oder eine gleichwertige vom Hersteller empfohlene Batterie ersetzen Enthalt das System ein Modul mit einer Lithiumbatterie dieses nur durch ei
111. ng a FRU ensure that the latest level of BIOS is installed on the system A down level BIOS might cause false errors and unnecessary replacement of the system board For more information on how to determine and obtain the latest level BIOS see BIOS levels on page 129 Use the following procedure to help determine the cause of a problem 1 Power off the computer and all external devices Check all cables and power cords Set all display controls to the middle position Power on all external devices af WwW DY Power on the computer e Look for displayed error codes e Listen for beep codes e Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If you do receive the correct response proceed to step 7 6 Look at the following conditions and follow the instructions e If you hear beep codes during POST go to Beep symptoms on page 61 e f the computer displays a POST error go to POST error codes on page 62 e f the computer hangs and no error is displayed turn off the computer and the power Then turn the power and the computer back on continue at step 7 7 Run the Diagnostic programs See Diagnostics on page 53 e If you receive an error replace the part that the diagnostic program calls out e lf the test stops and you cannot continue replace the last device tested Problem determination tips Due to the variety of har
112. ng or disabling a device on page 57 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 42 ThinkCentre M93zHardware Maintenance Manual Optical mouse This section provides instructions on how to clean an optical mouse An optical mouse uses a light emitting diode LED and an optical sensor to navigate the pointer If the pointer on the screen does not move smoothly with the optical mouse you might need to clean the mouse To clean an optical mouse do the following 1 Turn off your computer 2 Disconnect the mouse cable from the computer 3 Turn the mouse upside down to check the lens a If there is a smudge on the lens gently clean the area with a plain cotton tipped swab b If there is debris in the lens gently blow the debris away from the area 4 Check the surface on which you are using the mouse If you have a very intricate picture or pattern beneath the mouse it may be difficult for the digital signal processor DSP to determine changes in the mouse position 5 Reconnect the mouse cable to the computer 6 Turn your computer back on The pointer on the screen does not move smoothly with the mouse Symptom The pointer on the screen does not move smoothly with the mouse Action Erratic movement of the mouse pointer is generally caused by a buildup of dir
113. ng system 60 installing options memory module 87 integrated camera replacing 103 internal speakers replacing 97 L Lenovo Solution Center 53 locating components 71 looking up part numbers 1 67 74 memory module installing replacing 87 system board 87 microprocessor replacing 94 monitor stand removing 82 mSATA solid state drive mini PCI Express x1 card replacing 108 N notice television output 134 notices 133 O optical drive replacing 90 optical mouse cleaning 43 Optional service CRUs 71 135 P part numbers 1 67 74 parts replacement completing 127 password Administrator 56 considerations 56 Power On Password 56 setting changing deleting 56 passwords erasing 57 lost or forgotten 57 passwords using 55 physical specifications 29 Power On Password 56 R rear connectors 70 rear I O assembly removing 86 rear PS 2 connectors and serial port assembly removing 113 recovering from a POST BIOS update failure 131 recovery boot block 131 removing computer cover 84 removing frame foot 85 removing monitor stand 82 removing rear I O assembly 86 removing rear PS 2 connectors and serial port assembly 113 replacing ambient light sensor 106 battery 114 card reader 107 converter board 91 cover presence switch 100 ExpressCard 110 GPU heat sink and fan 111 hard disk drive 88 heat sink 92 integrated camera 103 internal speakers 97 microprocessor 94 MSATA solid state drive mini PCI Express x1 card
114. ning electrical outlets 3 Verify that all attached devices are enabled in the BIOS settings of your computer For more information about accessing and changing the BIOS settings refer to your Chapter 6 Using the Setup Utility program on page 55 4 Go to the Troubleshooting on page 36 and follow the instructions for the type of problem you are experiencing If the Troubleshooting information does not help you resolve a problem continue with the next step 5 Try using a previously captured configuration to see if a recent change to hardware or software settings has caused a problem Before restoring a previous configuration capture your current configuration in case the older configuration settings do not solve the problem or have adverse affects To restore a captured configuration do the following e For Windows 7 Click Start Control Panel gt System and Security gt System gt System Protection gt System Restore e For Windows 8 Open Control Panel and then click System and Security gt System gt System Protection gt System Restore If this does not correct the problem continue with the next step 6 Run the diagnostic program See Lenovo Solution Center on page 53 for more information e If the diagnostic program detects a hardware failure contact the Lenovo Customer Support Center See Lenovo Support Web site on page 31 for more information e If you are unable to run the diagnostic program c
115. nnected to a USB connector or a PS2 connector on the computer e The mouse is clean The operating system does not Verify that start e The startup sequence includes the device where the operating system resides Usually the operating system is on the hard disk drive For more information see Selecting a startup device on page 58 The computer beeps multiple Verify that no keys are stuck times before the operating system starts Accessing Control Panel on the Windows 8 operating system On the Windows operating system you can view and change computer settings through Control Panel To access Control Panel on the Windows 8 operating system do one of the following e From the desktop 1 Move the cursor to the top right or bottom right corner of the screen to display the charms Copyright Lenovo 2013 35 2 Click Settings 3 Click Control Panel e From the Start screen 1 Move the cursor to the top right or bottom right corner of the screen to display the charms 2 Click Search 3 On the Apps screen scroll to the right side and click Control Panel in the Windows System section Troubleshooting procedure Use the following procedure as a starting point for diagnosing problems you are experiencing with your computer 1 Verify that the cables for all attached devices are connected correctly and securely 2 Verify that all attached devices that require ac power are connected to properly grounded functio
116. nose problems with the Rapid Access buttons To open the Enhanced Performance Customization Keyboard program do one of the following On the Windows 7 operating system do the following 1 Click Start gt Control Panel 2 Click Hardware and Sound 3 Click Devices and Printers 4 Double click USB Enhanced Performance Keyboard The USB Enhanced Performance Keyboard Customization program starts On the Windows 8 operating system do the following 1 Open Control Panel 2 Click Hardware and Sound 3 Click Devices and Printers 4 Double click USB Enhanced Performance Keyboard The USB Enhanced Performance Keyboard Customization program starts If these actions do not correct the problem have the computer and keyboard serviced See Lenovo Support Web site on page 31 for details The mouse or pointing device does not work Symptom The mouse or pointing device does not work Actions Verify that the mouse or pointing device cable is securely attached to the correct connector on the computer Depending on the type of mouse you have the mouse cable will connect to either the mouse serial or USB connector Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device Verify that the device drivers for the mouse or pointing device are installed correctly If you are using a USB keyboard or mouse verify that the USB connectors are enabled in the BIOS settings See Enabli
117. not overtighten the screws Overtightening the screws might damage the LCD panel 12 Reconnect the cables of the components secured to the front bezel to the system board What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the system board Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the system board To replace the system board do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the system board See Locating major FRUs and CRUs on page 71 5 Remove the rear I O assembly to gain access to the system board See Removing and reinstalling the rear I O assembly on page 86 6 Remove the heat sink See Replacing the heat sink on page 92 120 ThinkCentre M93zHardware Maintenan
118. nt to return to the default settings press F9 to load the default settings and then press F10 to save and exit the Setup Utility program ThinkCentre M93zHardware Maintenance Manual Chapter 7 Symptom to FRU index The Symptom to FRU index lists error symptoms and possible causes The most likely cause is listed first Always begin with the Chapter 4 General checkout on page 33 You can use this index to help you decide which FRUs are needed when servicing a computer If you are unable to correct the problem using this index go to Undetermined problems on page 65 Notes If you have both an error message and an incorrect audio response diagnose the error message first If you cannot run the diagnostic tests or you get a diagnostic error message when running a test but did receive a POST error message diagnose the POST error message first If you did not receive any error message look for a description of your error symptoms in the first part of this index Hard disk drive boot error A hard disk drive boot error can have the following causes The start up drive is not in the boot sequence in Check the configuration and ensure the start up drive is configuration in the boot sequence No operating system installed on the boot drive Install an operating system on the boot drive The boot sector on the startup drive is corrupted The drive must be formatted Do the following 1 Attempt to back up the da
119. ntact with other people while handling the part Chapter 2 Safety information 5 Wear a grounded wrist strap against your skin to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system is desirable but not required to protect against ESD damage Attach the ESD ground clip to any frame ground ground braid or green wire ground Use an ESD common ground or reference point when working on a double insulated or battery operated system You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Tip over hazard prevention notice Place the computer on a sturdy and low base or anchor the furniture and position the computer as far back on the furniture as possible Keep remote controls toys and other items that might attract children
120. o repeat boot sequence is completed Press any key to repeat boot sequence Miscellaneous error conditions Message Symptom FRU Action Changing display colors Display Monitor Computer will not power off See Hard disk drive boot 1 Power Switch error on page 61 2 System Board 3 Riser card if installed Computer will not RPL from server 1 Ensure that network is in startup sequence as first device or first device after diskette 2 Ensure that network adapter is enabled for RPL 3 Network adapter Advise network administrator of new MAC address Computer will not perform a Wake On LAN if applicable 1 Check power supply and signal cable connections to network adapter 2 Ensure that the operating system settings are set to enable Wake on LAN 3 Ensure Wake On LAN feature is enabled in Setup Configuration see Starting the Setup Utility program on page 55 4 Ensure network administrator is using correct MAC address 5 Ensure no interrupt or I O address conflicts 6 Network adapter advise network administrator of new MAC address Dead computer See Hard disk drive boot error on page 1 Power Supply et 2 System Board Diskette drive in use light remains on or does not light 1 Diskette Drive when drive is active 2 System Board 3 Diskette Drive Cable Note Ensure that the LED switch under OSD menu is enabled To enable the LED switch select OSD menu gt Advanced Setting
121. o the chassis and align the screw holes with the mounting stands in the chassis 16 Follow the sequence to reinstall the screws E to to secure the system board to the chassis Chapter 9 Replacing FRUs 121 17 18 19 20 21 22 23 24 25 26 ie 1 I p DE a i E Figure 52 Reinstalling the system board Reinstall the heat sink and fan assembly for GPU if your computer has one See Replacing the heat sink and fan assembly for GPU on page 111 Reinstall the card reader if your computer has one See Replacing the card reader on page 107 Reinstall the ExpressCard if your computer has one See Replacing the ExpressCard on page 110 Reinstall the WiFi card if your computer has one See Replacing the WiFi card on page 105 Reinstall the memory modules See Installing or replacing a memory module on page 87 Reinstall the microprocessor See Replacing the microprocessor on page 94 Reinstall the heat sink See Replacing the heat sink on page 92 Reinstall the rear I O assembly See Removing and reinstalling the rear I O assembly on page 86 Reconnect all cables that were disconnected from the syst
122. omes with Lenovo programs to help you work more easily and securely Depending on the Windows operating system preinstalled the programs might vary Accessing Lenovo programs on the Windows 7 operating system On the Windows 7 operating system you can access Lenovo programs from either the Lenovo ThinkVantage Tools program or from Control Panel Accessing Lenovo programs from the Lenovo ThinkVantage Tools program To access Lenovo programs from the Lenovo ThinkVantage Tools program click Start gt All Programs gt Lenovo ThinkVantage Tools Then double click a program icon to access the program Note If a program icon in the Lenovo ThinkVantage Tools program navigation window is dimmed it indicates that you need to install the program manually To install the program manually double click the program icon Then follow the instructions on the screen When the installation process completes the program icon will be activated Table 1 Programs in the Lenovo ThinkVantage Tools program Prom Tese TT Note Depending on your computer model some of the programs might not be available Accessing Lenovo programs from Control Panel To access Lenovo programs from Control Panel click Start gt Control Panel Then depending on the program you want to access click the corresponding section and then click the corresponding green text Note If you do not find the program you need in Control Panel open the Lenovo ThinkVantage Tools
123. omputer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the touch panel control boards Note The multi touch boards are available only in some models To replace the touch panel control boards do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the touch panel control boards See Locating major FRUs and CRUs on page 71 5 Remove the LCD panel See Replacing the LCD panel on page 119 Chapter 9 Replacing FRUs 123 6 Remove the screws El and disconnect the touch panel control board cables from the touch panel control boards to disengage the touch panel control boards from the chassis Figure 54 Removing the touch panel control boards 7 Connect the touch panel control board cables to the new touch panel control boards 8 Reinstall the LCD panel See Replacing the LCD panel on page 119 9 Align the screw holes in the new touch panel control boards
124. on clear Turn on fast startup Note If the settings are unavailable click Change settings that are currently unavailable 5 Click Save changes 132 ThinkCentre M93zHardware Maintenance Manual Appendix A Notices Lenovo may not offer the products services or features discussed in this document in all countries Consult your local Lenovo representative for information on the products and services currently available in your area Any reference to a Lenovo product program or service is not intended to state or imply that only that Lenovo product program or service may be used Any functionally equivalent product program or service that does not infringe any Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to Lenovo United States Inc 1009 Think Place Building One Morrisville NC 27560 U S A Attention Lenovo Director of Licensing LENOVO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdi
125. ontact the Lenovo Customer Support Center See Lenovo Support Web site on page 31 for more information e Ifthe diagnostic program does not detect a hardware failure continue with the next step 7 Use an antivirus program to see if your computer has been infected by a virus If the program detects a virus remove the virus 8 If none of these actions solve the problem seek technical assistance See Lenovo Support Web site on page 31 for more information Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software do the following before referring to the troubleshooting information 1 Remove the new hardware option or software If you must remove the computer cover to remove a hardware option make sure you review and follow the electrical safety information provided with your computer For your safety do not operate the computer with the cover removed 36 ThinkCentre M93zHardware Maintenance Manual 2 Run the diagnostic programs to ensure your computer is operating correctly 3 Reinstall the new hardware option or software following the manufacturer s instructions Select the problem your computer is experiencing from the following list e Audio problems on page 37 e CD problems on page 38 e DVD problems on page 39 e
126. ork with another piece of hardware go to the appropriate section Chapter 9 Replacing FRus 115 e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the power supply assembly Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the power supply assembly To replace the power supply assembly do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the computer cover See Removing the computer cover on page 84 4 Locate the power supply assembly See Locating major FRUs and CRUs on page 71 Remove the VESA mount bracket and disconnect the cables of the power supply assembly from the system board See Replacing the thermal sensor on page 98 116 ThinkCentre M93zHardware Maintenance Manual 6 Remove the screws EJ and H to disengage the power cord connector and the power supply assembly from the chassis Figure 4
127. ositivos CUIDADO Ao substituir a bateria de l tio utilize apenas uma bateria com N mero de Pe a 45C1566 ou um tipo de bateria equivalente recomendado pelo Se o seu sistema possui um m dulo com uma bateria de l tio substitua o apenas por um m dulo do mesmo tipo e do mesmo fabricante A bateria cont m l tio e pode explodir se n o for utilizada manuseada ou descartada de maneira correta N o e Jogue ou cologue na gua e Aque a a mais de 100 C 212 F e Conserte nem desmonte Descarte a bateria conforme requerido pelas leis ou regulamentos locais A PRECAUCION Quando produtos a laser como unidades de CD ROMs unidades de DVD ROM dispositivos de fibra tica ou transmissores estiverem instalados observe o seguinte e N o remova as tampas A remo o das tampas de um produto a laser pode resultar em exposi o prejudicial radia o de laser N o existem pe as que podem ser consertadas no interior do dispositivo Chapter 2 Safety information 11 e A utiliza o de controles ou ajustes ou a execu o de procedimentos diferentes dos especificados aqui pode resultar em exposi o prejudicial radia o PERIGO Alguns produtos a laser cont m diodo de laser integrado da Classe 3A ou da Classe 3B Observe o seguinte Radia o a laser quando aberto N o olhe diretamente para o feixe a olho nu ou com instrumentos pticos e evite exposi o direta ao feixe gt 18 kg 37 Ibs gt 32 kg 70 5
128. pecifiquen las leyes o normas locales h PRECAUCION Cuando haya productos laser como unidades de CD ROM unidades de DVD dispositivos de fibra ptica o transmisores instalados tenga en cuenta lo siguiente e No quite las cubiertas Si quita las cubiertas del producto laser podr a quedar expuesto a radiaci n l ser peligrosa Dentro del dispositivo no existe ninguna pieza que requiera servicio t cnico e Si usa controles o ajustes o realiza procedimientos que no sean los especificados aqu podr a exponerse a radiaciones peligrosas PELIGRO 26 ThinkCentre M93zHardware Maintenance Manual Algunos productos laser tienen incorporado un diodo laser de clase 3A o clase 3B Tenga en cuenta lo siguiente Cuando se abre queda expuesto a radiacion laser No mire directamente al rayo laser ni siquiera con instrumentos pticos y evite exponerse directamente al rayo laser A gt 18 kg gt 32 kg gt 55 kg PRECAUCION Adopte procedimientos seguros al levantar el equipo AA PRECAUCION El bot n de control de alimentaci n del dispositivo y el interruptor de alimentaci n de la fuente de alimentaci n no desconectan la corriente el ctrica suministrada al dispositivo Adem s el dispositivo podr a tener m s de un cable de alimentaci n Para suprimir toda la corriente el ctrica del dispositivo aseg rese de que todos los cables de alimentaci n est n desconectados de la toma de corriente
129. portant Safety Information on page 1 This section provides instructions on how to replace the rear PS 2 connectors and serial port assembly Note The rear PS 2 connectors and serial port assembly is available only in some models To replace the rear PS 2 connectors and serial port assembly do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the rear PS 2 connectors and serial port assembly See Locating major FRUs and CRUs on page 71 5 Remove the rear I O assembly and disconnect the cables of the rear PS 2 connectors and serial port assembly from the system board See Removing and reinstalling the rear I O assembly on page 86 6 Remove the screws E to disengage the rear PS 2 connectors and serial port assembly from the chassis Note You might have to remove two screws to disengage the rear PS 2 connectors and serial port assembly from the chassis Chapter 9 Replacing FRUs 113 Figure 44 Removing the rear PS 2 connectors and serial port assembly 7
130. pproved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself from electrical shock e Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly e Do not work alone under hazardous conditions or near equipment that has hazardous voltages e Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing Field Replaceable Units FRUs e Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that supplies power to the machine and to lock the wall box in the off position e f you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Remember Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Remember There must be a complete c
131. problems Hard disk drive problems Keyboard mouse or pointing device problems Si da Monitor problems Networking problems Option problems Performance and lockup Stable Printer problems Serial port problems Software problems USB problems Diagnostics Copyright Lenovo 2013 aw wo amp OOO 29 29 30 30 31 31 33 33 35 35 35 36 36 37 38 39 41 41 41 44 45 48 49 51 51 52 53 53 Lenovo Solution Center Chapter 6 Using the 7 un program 4 Starting the Setup Utility program Viewing and changing settings Using passwords Password considerations Power On Password Administrator Password Hard Disk Password A Setting changing and deleting a as word Erasing lost or forgotten PESTO clearing CMOS Rd iets Ghee teak Me 4 Enabling or disabling a dies Selecting a startup device lA Selecting a temporary startup device Selecting or eyangna the startup device sequence Lo Enabling ErP comblianes oder ICE performance mode ICE thermal alert Changing the BIOS RM before instaling s anew operating system ie Exiting the Setup Utility program Chapter 7 Symptom to FRU index Hard disk drive boot error Power Supply Problems Beep symptoms POST error codes oe Miscellaneous error conditions Undetermined problems Chapter 8 Locations Locating connectors controls and indicators on the front of your computer
132. r computer and gently lay it down so that the screen is against the surface and the cover is facing up 6 Remove the frame stand See Installing the monitor stand on page 82 7 Press the two cover release buttons on the computer cover as shown slide the computer cover toward the top of the computer and then lift the computer cover up to remove it from the chassis Figure 13 Removing the computer cover What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Removing and reinstalling the frame foot Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to remove and reinstall the frame foot Note The frame foot is available only in some models To remove and reinstall the frame foot do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up Remove the frame stand See Installing the monitor stand on p
133. r information about the status lights and using the controls refer to the documentation that comes with your monitor Select your symptom from the following list e Wrong characters appear on the screen on page 44 e The monitor works when you turn on the computer but goes blank after some period of computer inactivity on page 44 e The monitor works when you turn on the computer but goes blank when you start some application programs on page 44 e The image appears to be flickering on page 44 e The image is discolored on page 45 Wrong characters appear on the screen Symptom Wrong characters appear on the screen Action Have the computer serviced For details see Lenovo Support Web site on page 31 The monitor works when you turn on the computer but goes blank after some period of computer inactivity Symptom The monitor works when you turn on the computer but goes blank after some period of computer inactivity Action The computer is probably set for energy savings with the power management feature If the power management feature is enabled disabling it or changing the settings might solve the problem If these actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 31 The monitor works when you turn on the computer but goes blank when you start some application programs Symptom The moni
134. ram you need move the pointer to the bottom right corner of the screen to display the charms Then click the Search charm to search for the desired program Your computer supports the following Lenovo programs e Fingerprint Software e Lenovo Companion e Lenovo QuickLaunch e Lenovo QuickSnip e Lenovo Settings e Lenovo Solution Center e Lenovo Support e Password Manager e System Update Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at http www lenovo com support This Web site is updated with the latest support information such as the following Chapter 3 General information 31 e Drivers and software e Diagnostic solutions e Product and service warranty e Product and parts details e User guides and manuals e Knowledge base and frequently asked questions 32 ThinkCentre M93zHardware Maintenance Manual Chapter 4 General checkout Attention The drives in the computer you are servicing might have been rearranged or the drive startup sequence might have been changed Be extremely careful during write operations such as copying saving or formatting Data or programs can be overwritten if you select an incorrect drive General error messages appear if a problem or conflict is found by an application program the operating system or both For the explanation of these messages refer to the information supplied with that software package Before replaci
135. refully pivot the mSATA solid state drive or mini PCI Express x1 card upward and lift the mSATA solid state drive or mini PCI Express x1 card to remove it from the card slot Figure 41 Removing the mSATA solid state drive or mini PCI Express x1 card 6 Insert the notched end of the new mSATA solid state drive or mini PCI Express x1 card into the card slot Press the new mSATA solid state drive or mini PCI Express x1 card firmly and then pivot the MSATA solid state drive or mini PCI Express x1 card to align the screw in the new mSATA solid state drive or mini PCI Express x1 card with the one in the system board 7 Install the screw to secure the new mSATA solid state drive or mini PCI Express x1 card in place 8 Reinstall the rear I O assembly See Removing and reinstalling the rear I O assembly on page 86 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the ExpressCard Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the ExpressCard Note The ExpressCard is available only in some models To replace the ExpressCard do the following 1 Remove all media from the drives and turn off all attached devices and the computer T
136. rom the monitor If this does not correct the problem do the following 1 Turn off the monitor Moving a color monitor while it is turned on might cause screen discoloration 2 Adjust the placement of the monitor and other devices so that they are at least 305 mm 12 inches apart 3 Turn on the monitor e You can reset the refresh rate through your operating system Control Panel On the Windows 7 operating system click Start gt Control Panel gt Hardware and Sound Adjust screen resolution Advanced Settings Then click the Monitor tab and select a new refresh rate On the Windows 8 operating system open Control Panel and click Hardware and Sound Adjust screen resolution Advanced Settings Then click the Monitor tab and select a new refresh rate e See your operating system documentation or help for further information on monitor settings If these actions do not correct the problem your monitor might need service See Lenovo Support Web site on page 31 for details The image is discolored Symptom The image is discolored Action The monitor might be affected by interference from nearby equipment Magnetic fields around other devices such as transformers appliances fluorescent lights and other monitors might be causing the problem Move fluorescent desk lighting or any equipment that produces magnetic fields further away from the monitor If this does not correct the problem do the following 1 Turn off th
137. rt feature dates do not sort in the correct order Symptom When using a sort feature dates do not sort in the correct order Action Some software developed before the year 2000 used only the last two digits of a year to sort dates always assuming the first two digits were 19 Consequently these programs sort dates out of order Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web Software does not work as expected Symptom Software does not work as expected Actions e Most software programs have built in help systems that provide instructions for most tasks If you are having difficulty performing a specific task within a software program refer to the help system for that program Help systems are typically accessible from a menu or button in the program and frequently from the F1 key e If you are having difficulty with the Windows operating system or one of its components refer to the Windows help system It is accessible from the Windows Start menu e To determine if problems are caused by newly installed software verify that Your computer has the minimum memory requirements needed to use the software See the information supplied with the software to verify memory requirements If you just installed an adapter or memory you might have a memory address conflict The software is designed to operate on your computer Ot
138. rter board See Locating major FRUs and CRUs on page 71 Remove the three screws J that secure the converter board to the chassis and disconnect the cables Then lift the converter board off the chassis OO Oq E o Figure 23 Removing the converter board 7 Connect the cables to the new converter board and align the three screw holes in the new converter board with those in the chassis 8 Install the three screws to secure the new converter board to the chassis 9 Reinstall the optical drive See Replacing the optical drive on page 90 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the heat sink Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the heat sink CAUTION The heat sink might be very hot Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover 92 ThinkCentre M93zHardware Maintenance Manual To replace the heat sink do the following 1 2 6 7 8 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconn
139. s gt LED Switch Blank screen except for flashing cursor 1 System Board 2 Primary Hard Disk Drive 3 Hard Disk Drive Cable Chapter 7 Symptom to FRU index 63 Message Symptom FRU Action Incorrect memory size during POST 1 Run the Memory tests 2 Memory Module 3 System Board Insert a Diskette icon appears with a known good 1 System Board diagnostics diskette in the first 3 5 inch diskette drive 2 Diskette Drive Cable 3 Network Adapter Intensity or color varies from left to right of characters 1 Display and color bars 2 Video adapter if present 3 System Board No power or fan not running 1 See Hard disk drive boot error on page 61 Non system disk or disk error type message with a 1 Diskette Drive known good diagnostic diskette 2 System Board 3 Diskette Drive Cable Other display symptoms not listed above including blank 1 Display or illegible display 2 System Board Power on indicator or hard disk drive in use light not on 1 Power switch LED assembly but computer works correctly 2 System Board Note Ensure that the LED switch under OSD menu is enabled To enable the LED switch select OSD menu gt Advanced Settings gt LED Switch Program loads from the hard disk with a known good 1 Run the Setup Utility program and check Startup diagnostics diskette in the first 3 5 inch diskette drive sequence 2 Diskette Drive 3 Diskette Drive Cable 4 System Board 5 Power Supply RPL
140. s of which operating system you are using However the operating system settings might override any similar settings in the Setup Utility program Starting the Setup Utility program To start the Setup Utility program do the following 1 Make sure your computer is turned off 2 Repeatedly press and release the F1 key when turning on the computer When you hear multiple beeps or see a logo screen release the F1 key Note If a Power On Password or an Administrator Password has been set the Setup Utility program menu will not be displayed until you type the correct password For more information see Using passwords on page 55 When the POST detects that the hard disk drive has been removed from your computer or the memory module size has decreased an error message will be displayed when you start the computer and you will be prompted to do one of the following e Press F1 to enter the Setup Utility program Note After you enter the Setup Utility program press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit The error message will not be displayed again e Press F2 to bypass the error message and log in to the operating system Note You have to enable the configuration change detection feature for the POST to detect the removal of the hard disk drive To enable the configuration change detection feature do the following 1 Start the Setup Utility program 2 From the
141. sor with the corresponding small triangle on one corner of the microprocessor socket Lower the new microprocessor straight down into the microprocessor socket on the system board Figure 27 Installing the microprocessor Close the microprocessor retainer and lock it into position with the small handle to secure the new microprocessor in the socket Reinstall the heat sink See Replacing the heat sink on page 92 Reconnect all cables that were disconnected from the system board ThinkCentre M93zHardware Maintenance Manual What to do next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 127 Replacing the internal speakers Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the internal speakers To replace the internal speakers do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Remov
142. t oils and other contaminants on the ball inside the mouse Clean the mouse The fingerprint reader does not work Symptom The fingerprint reader does not work Action The following could cause the fingerprint reader not to operate properly e Not enrolling your fingerprint correctly e Scratching the surface of the reader with a hard pointed object e Scraping the surface of the reader with your nail or anything hard e Using or touching the reader with a dirty finger e The surface of your finger is very different from when you enrolled your fingerprint The wireless keyboard does not work Symptom The wireless keyboard does not work Action If the Transceiver Communications LED is on and the wireless Keyboard does not work restart your computer If restarting your computer does not solve the problem verify that the following conditions are met e The batteries are properly installed e The batteries still retain their current e The wireless Keyboard is located less than ten meters away from the transceiver e The transceiver is fully installed Action If the Transceiver Communications LED is not on reconnect the transceiver and the keyboard Chapter 5 Troubleshooting and diagnostics 43 Monitor problems Note Many monitors have status indicator lights and built in controls for adjusting brightness contrast width height and other picture adjustments However the controls vary from monitor type to monitor type Fo
143. t to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Completing the parts replacement After completing the installation or replacement for all parts you need to reinstall the computer cover and reconnect cables Depending on the parts you installed or replaced you might need to confirm the updated information in the Setup Utility program Refer to Chapter 6 Using the Setup Utility program on page 55 To reinstall the computer cover and reconnect cables to your computer do the following 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer See Locating major FRUs and CRUs on page 71 for the locations of various components in your computer 2 Ensure that the cables are routed correctly before reinstalling the computer cover Keep cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover Chapter 9 Replacing FRUs 127 3 Align the four plastic tabs on the top of the computer cover with the corresponding tabs in the front bezel Then pivot the computer cover downward until it snaps into position Figure 58 Installing the computer cover 4 If there is an integrated cable lock available lock the computer 5 If there is a frame stand reinstall it See
144. t view directly with optical instruments and avoid direct exposure to the beam gt 18 kg 37 Ibs gt 32 kg 70 5 lbs gt 55 kg 121 2 Ibs CAUTION Use safe practices when lifting AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 20 1 0 m AA 8 ThinkCentre M93zHardware Maintenance Manual Ha Deal gi yd N AU EN aa aga all magos A 5 ghd JS Un Ag RS latina bide ga dao gf Ada gi cui ji daa all gi dii gi ag masi glad Y Az Ale a si Mya gad li Sl ad slog gS Dll JS na gi an i daa Ara Ada gig Da OW ps gs ls gd ia dig Ala pig Jm gi dig Guay i Aaa Dir da gad Did usci gi dyer gad a y de A a yal oy i ENS GI gi alia gi nal Ji Nr Jet ias Y i ii Sally imail 9 NN CAS O CN AN Lab ig la Divi Edi Gas ai EIS DS do pis polis gal Aso ii dii dale ad gal j ij 9 y Qu ls Aral lea CS Chabony alii sic ig MN Doda s ceca ga gh Las ED Jud y Ja gii ad j all ESG Tili Jia dib l i gl J si Jill drag seg ds dll aa se ds dll aa sal Qe ela eS Dl ds hai a N 5 ja Vl DUI ds Jaa si p SJ a gall UA 8 ay Did hai a Da gal JN Dis due gu p Seal dau p A 1 Amati n sie
145. ta on the failing hard disk drive 2 Using the operating system programs format the hard disk drive The drive is defective Replace the hard disk drive Power Supply Problems If you suspect a power problem use the following procedures Check Verify FRU Action Check the following for proper installation Reseat connectors e Power cord e On Off switch connector e On Off switch power supply connector e System board power supply connectors e Microprocessor s connection Check the power cord for continuity Check the power on switch for continuity Beep symptoms Beep symptoms are tones or a series of tones separated by pauses intervals without sound during POST O Copyright Lenovo 2013 61 The following tables describes beep symptoms Beep Symptom FRU Action 2 short beeps CMOS setting error Common error code see the detail failure information in POST error codes on page 62 3 short and 1 long beeps DRAM memory error Perform the following actions in order 1 Make sure the memory module s are properly seated in the connector s 2 Replace the memory module s 3 Replace the system board POST error codes Each time you power on the system it performs a series of tests that check the operation of the system and some options This series of tests is called the Power On Self Test or POST POST does the following operations e Checks some basic system board operations e Checks
146. tattet sein Um die Stromversorgung f r die Einheit vollst ndig zu unterbrechen m ssen alle zum Ger t f hrenden Netzkabel vom Netz getrennt werden Chapter 2 Safety information 19 AA 20 cam HL ND PION NIN NMNVPN 950 2nn 2292 WayinnA Ynwn DAT mynwnnn NoN VINNI TD NT SMA AYN APY IX APINN mpnn noivo isan 2N1 D 2a52 WPNIN IN MANN da paa NDIO 9nna 03909 pax NNN 2nwn YPY gt nunn 7929 22 NX MAN M9 D UNNN Inwn vor NT ASIN mn yv THY 23 man NINN 929 Dw pino IX VAN 7222 NNX TAIwnnwA AWONA NTN DIMM IX WRN NNSIND TI IN an PTD NITY Y WRI INVII TRY 197Y9N dx DIVI PNNN vom nmno 1299 Dmainnn MATN nan PNA NMVPNN moya YnwNn Sad nx pm MINN DIM amena nyapPl mpnnn DIN DX NON mana MPANA IN NT Asma DDD NNN IN nnayn AIpNA nya JIDIY 12202 NINNI DAN NX PAN man PN TD aan TD 39129 1 390129 1 DVPVwnn Inwnn AD NX IPNI MURI 2 DIPNN Da2n 9D NX MAN MUN 2 OMANNAN MMXN 2525 NX 19m 3 Dann MMN 7729 nx man 3 Dapnnna Dada 22 Nx Mon 4 DVPVw dnwnn 223 nx man 4 Jpnnn nx yyon 5 MYNT Men Tr Dy YMY ONIN A102 1X 45C 1566 v pn Nya n55102 pr wnnwnA aTM novo no2nn Nya Ns NR Manm nO iman mina PI MIN 192nn arm N2910 ann Sima NDF NANA DA MINI AMX DWN IX na 0290m MOWNNwWN X ox YSIDNN2 N919y1 pren NDN n221Dn D21y gt Dna AVN IX 212 F 100 C n amaan nmu mann dx 1P99N IX MPNN DX AYNIPNA MPINN nupnn 92 MITI NINO nx 12 2WN 20 ThinkCentre M93zHardware Maintenan
147. the Setup Utility program See Starting the Setup Utility program on page 55 From the Setup Utility program main menu select Exit OS Optimized Default gt Enabled Select Yes in the window displayed and press Enter to confirm your selection Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 60 To update flash the BIOS from a disc on other operating systems do the following 1 2 Turn off your computer Repeatedly press and release F12 when turning on the computer When the Startup Device Menu window opens release F12 From the Startup Device Menu window select the desired optical drive as the startup device Then insert the disc into this optical drive and press Enter The update begins When prompted to change the serial number it is suggested that you do not make this change by pressing N However if you do want to change the serial number press Y and then type in the serial number and press Enter When prompted to change the machine type and model it is suggested that you do not make this change by pressing N However if you do want to change the machine type and model press Y and then type in the machine type and model and press Enter Follow the instructions on the screen to complete the update After the update is completed remove the disc from the optical drive 130 ThinkCentre M93zHardware Maintenance Manual Upda
148. the cables of the components secured to the front bezel from the system board Then lift the LCD bracket off the front bezel 8 Disconnect the LCD cables from the display connectors on the system board and the converter board See Locating parts on the system board on page 74 9 Connect the new LCD cables to the display connectors on the system board and the converter board See Locating parts on the system board on page 74 10 Position the LCD bracket over the front bezel ensure that the screw holes in the LCD bracket align with the mounting stands in the front bezel Chapter 9 Replacing FRUs 119 11 Reinstall all the 21 screws to secure the LCD bracket to the front bezel i 0 KAS E Figure 50 Reinstalling the LCD bracket Attention Do
149. the first startup device in the Setup Utility program Refer to Selecting a startup device on page 58 Note In rare cases the hard disk drive with the operating system might get corrupted or damaged In such cases you might need to replace the hard disk drive If these actions do not correct the problem run the diagnostic program Lenovo Solution Center See Lenovo Solution Center on page 53 If you need technical assistance see Lenovo Support Web site on page 31 Keyboard mouse or pointing device problems Select your symptom from the following list Chapter 5 Troubleshooting and diagnostics 41 All or some keys on the keyboard do not work on page 42 The mouse or pointing device does not work on page 42 The pointer on the screen does not move smoothly with the mouse on page 43 The fingerprint reader does not work on page 43 The wireless keyboard does not work on page 43 All or some keys on the keyboard do not work Symptom All or some keys on the keyboard do not work Actions e Verify that the keyboard cable is securely connected to the correct connector on the computer e If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons are the only keys that are not working these buttons might have been disabled or have not been assigned to a function Use the help system in the Enhanced Performance Customization Keyboard program to help diag
150. the memory operation e Starts the video operation e Verifies that the boot drive is working If the POST detects a problem an error message appears on the screen A single problem can cause several error messages to appear When you correct the cause of the first error message the other error messages probably will not appear on the screen the next time you turn on the system POST Error Message Description Action 0135 Fan failure The system might be overheating Press F10 to exit Note If the problem is caused by the microprocessor fan press F10 will not solve the problem 0211 Keyboard not found When there is no keyboard detected the error message will be displayed 0164 Memory size decreased Press F10 to exit Configuration change has occurred This error message is displayed when a hard disk drive or optical drive change has been made Press F10 to exit 62 ThinkCentre M93zHardware Maintenance Manual POST Error Message Description Action 1820 More than one external fingerprint If more than one external fingerprint reader are attached Power off and reader are connected to a computer remove all but the reader that you set this error message will be displayed up within your main operating system to inform you to remove all of the fingerprint keyboards except the one compatible with the fingerprint application on your computer 1962 No operating system found Press This error occurs only after the POST any key t
151. ting flashing the BIOS from your operating system Note Because Lenovo makes constant improvements to its Web sites the Web page contents are subject to change without notice including the contents referenced in the following procedure To update flash the BIOS from your operating system do the following 1 Go to http www lenovo com support ON DOO O DY 10 Click Download Drivers amp Software Click Use Quick Path Type the 4 digit machine type for your computer in the Quick Path field and then click Find My Product Click BIOS Locate the BIOS version that you want to download Click Click for files All available files will be displayed Click the link for the readme file that contains the instructions for updating flashing the BIOS from your operating system Print these instructions This is very important because these instructions will not be displayed on the screen after the download begins Follow the printed instructions to download extract and install the update Recovering from a POST BIOS update failure If the power to your computer is interrupted while the POST and BIOS is being updated your computer might not restart correctly If this happens perform the following procedure to recover from the POST and BIOS update failure This procedure is commonly called Boot block Recovery 1 2 3 10 11 12 13 14 Remove all media from the drives and turn off all atta
152. tor works when you turn on the computer but goes blank when you start some application programs Actions e Ensure that the monitor signal cable is securely connected to the monitor and the monitor connector on the computer A loose cable can cause intermittent problems e Verify that the necessary device drivers for the application programs are installed Refer to the documentation for the affected application program to see if device drivers are required If these actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 31 The image appears to be flickering Symptom The image appears to be flickering Actions 44 ThinkCentre M93zHardware Maintenance Manual e The monitor might be operating in a low refresh rate display mode Set the monitor to the highest noninterlaced refresh rate supported by your monitor and the video controller in your computer Attention Using a resolution or refresh rate that is not supported by your monitor might damage it Check the documentation that comes with your monitor to verify the supported refresh rates e The monitor might be affected by interference from nearby equipment Magnetic fields around other devices such as transformers appliances fluorescent lights and other monitors might be causing the problem Move fluorescent desk lighting or any equipment that produces magnetic fields farther away f
153. ugh Bluetooth a PIM item sent from the Windows 7 operating system might be saved as a file with the extension contact Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information Select your symptom from the following list e An option that was just installed does not work on page 48 e An option that previously worked does not work now on page 49 An option that was just installed does not work Symptom An option that was just installed does not work Action Verify that e The option is designed for your computer e You followed the installation instructions supplied with the option and the installation instructions provided with your computer and all option files such as device drivers if required are installed correctly e You have not loosened other installed options or cables e lf the option is an adapter you have provided enough hardware resources for the adapter to function correctly See the documentation supplied with the adapter as well as the documentation for any other installed adapters to determine the resources required for each adapter 48 ThinkCentre M93zHardware Maintenance Manual If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 An option th
154. um such as the Product Recovery CD to start your computer Action Make sure that the CD or DVD drive is in the startup sequence before the hard disk drive Refer to your Selecting or changing the startup device sequence on page 58 for information on viewing and changing the startup sequence Note that on some models the startup sequence is permanently set and cannot be changed If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31 DVD problems Select your symptom from the following list e Black screen instead of DVD video on page 39 e DVD movie will not play on page 40 e No audio or intermittent audio while playing DVD movie on page 40 e Playback is very slow or choppy on page 40 e Invalid disc or no disc found message on page 40 Black screen instead of DVD video Symptom Black screen instead of DVD video Actions e Restart the DVD player program e Close any open files turn off the computer and then restart the computer e Try a lower screen resolution or color depth Chapter 5 Troubleshooting and diagnostics 39 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 31
155. umper FA SATA 3 0 connector for connecting the hard disk drive E Thermal sensor connector FA Converter board power connector EQ Card reader connector EN SATA 3 0 connector for connecting the optical drive the secondary hard disk drive or the secondary solid state drive Internal speaker connector ES GPU fan connector EM ExpressCard connector EJ 14 pin power connector FER Display connector Microprocessor fan connector EMA mSATA solid state drive slot also can support mini PCI Express x1 card function with limitation Note denotes that the components connecting to EH and BH are only available in some models Chapter 8 Locations 75 Adjusting the frame stand Your computer might come with a frame stand that you can use to adjust the computer to your comfortable position Pull the stand open and adjust the position of the computer at an angle between 10 and 45 as shown in the following illustration Note The frame stand is available only in some models CAUTION Ensure that the angle is at least 10 from the vertical otherwise the computer might be unstable and fall over Figure 5 Adjusting the frame stand 76 ThinkCentre M93zHardware Maintenance Manual Adjusting the monitor stand Your computer might come with a monitor stand that you can use to adjust the computer to your comfortable position The following illustration shows that you can adjust the position of the computer at an angle
156. up Utility program See Exiting the Setup Utility program on page 60 Changing the BIOS settings before installing a new operating system BIOS settings vary by operating system Change the BIOS settings before installing a new operating system To 1 2 3 change the BIOS settings do the following Start the Setup Utility program See Starting the Setup Utility program on page 55 From the Setup Utility program main menu select Exit gt OS Optimized Default Depending on the operating system to be installed do one of the following e To install the Windows 8 64 bit operating system select Enabled e To install an operating system other than Windows 8 64 bit select Disabled Select Yes in the window displayed and press Enter to confirm your selection Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 60 Exiting the Setup Utility program After you finish viewing or changing settings press Esc to return to the Setup Utility program main menu You might have to press Esc several times Do one of the following 60 If you want to save the new settings press F10 to save changes and exit the Setup Utility program If you do not want to save the settings select Exit gt Discard Changes and Exit and then press Enter When the Reset Without Saving window shows select Yes and then press Enter to exit the Setup Utility program If you wa
157. uperiore ai 100 gradi C 212 gradi F e Smontarla ricaricarla o tentare di ripararla Le batterie usate vanno smaltite in accordo alla normativa in vigore DPR 915 82 e successive disposizioni e disposizioni locali 22 ThinkCentre M93zHardware Maintenance Manual A ATTENZIONE Quando vengono installati prodotti laser quali CD ROM unita DVD ROM unita a fibre ottiche o trasmittenti tener presente quanto segue e Non rimuovere gli sportelli L apertura di un unit laser pu determinare l esposizione a radiazioni laser pericolose All interno dell unit non vi sono parti su cui effettuare l assistenza tecnica e L utilizzo di controlli regolazioni o l esecuzione di procedure non descritti nel presente manuale possono provocare l esposizione a radiazioni pericolose A PERICOLO Alcune unit laser contengono un diodo laser di Classe 3A o Classe 3B Tener presente quanto segue Aprendo l unit vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici ed evitare l esposizione al fascio A as gt 18 kg gt 32 kg gt 55 kg ep ATTENZIONE Prestare attenzione nel sollevare l apparecchiatura AA ATTENZIONE Il pulsante di controllo dell alimentazione presente sull unit e l interruttore dell alimentatore non disattivano l alimentazione corrente fornita all unit E possibile che l unit disponga di pi cavi di alimentazione Per disattivare l alimentazione dall
158. ure to read Important Safety Information on page 1 Chapter 7 Symptom to FRU index on page 61 and Chapter 10 Additional Service Information on page 129 are not specific to any machine type These chapters are applicable to all ThinkCentre computers For major FRU locations and Customer Replaceable Unit CRU identification see Chapter 8 Locations on page 67 For FRU replacement instructions see Chapter 9 Replacing FRUs on page 81 For FRU part numbers go to http www lenovo com serviceparts lookup Important Safety Information Be sure to read all caution and danger statements in this book before performing any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du pr sent document avant d ex cuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ ACHTUNG oder VORSICHT in dieser Dokumentation bevor Sie irgendwelche Vorg nge durchf hren Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti nel manuale prima di eseguire una qualsiasi delle istruzioni Certifique se de ler todas as instru es de cuidado e perigo neste manual antes de executar qualquer uma das instru es Es importante que lea todas las declaraciones de precauci n y de peligro de este manual antes de seguir las instrucciones Haki oda gl J USI Jia Li sasa gal el US de E e asl
159. ve is protected even if the hard disk drive is removed from one computer and installed in another e If the Hard Disk Password is forgotten there is no way to reset the password or recover data from the hard disk drive Setting changing and deleting a password To set change or delete a password do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 56 ThinkCentre M93zHardware Maintenance Manual 2 3 4 From the Setup Utility program main menu select Security Depending on the password type select Set Power On Password Set Administrator Password or Hard Disk Password Follow the instructions on the right side of the screen to set change or delete a password Note A password can be any combination of up to 64 alphabetic and numeric characters For more information see Password considerations on page 56 Erasing lost or forgotten passwords clearing CMOS This section provides instructions on how to erase lost or forgotten passwords such as a user password To erase a lost or forgotten password do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer Remove the computer cover See Removing the computer cover on page 84 Locate the Clear CMOS Recovery jumper on the system
160. with the corresponding ones in the chassis Then install the screws to secure the new touch panel control boards to the chassis What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 127 Replacing the power switch and control button board Attention Do not open your computer or attempt any repair before reading and understanding Important Safety Information on page 1 This section provides instructions on how to replace the power switch and control button board To replace the power switch and control button board do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Place a soft clean towel or cloth on the desk or surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 84 4 Locate the power switch and control button board See Locating major FRUs and CRUs on page 71 124 ThinkCentre M93zHardware Maintenance Manual 5 Note the power switch and control button board cable routing and disconnect the cable from the system board See Locating parts on the system

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