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Lenovo ThinkCentre E93z

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4. 5 Figure 56 Removing the six screws that secure the system board 16 Place the new system board into the chassis and align the screw holes in the new system board with those in the chassis Chapter 9 Replacing FRUs 115 17 Install the six screws to secure the new system board in place 18 19 20 21 22 23 24 25 26 27 ma a Figure 57 Installing the six screws that secure the system board to the main bracket Reinstall the rear I O assembly See Replacing the rear I O assembly on page 90 Reinstall the card reader See Replacing the card reader on page 103 Reinstall the GPU fan See Replacing the GPU fan on page 104 Reinstall the battery See Replacing the battery on page 106 Reinstall the memory modules See Installing or replacing a memory module on page 109 Reinstall the heat sink assembly See Replacing the heat sink assembly on page 99 Reinstall the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Reinstall the m
5. ARA E 4A BERRAK P EN 100 C 212 F KA ABURREN MURS TIT PRADA RR ATA P o RENS RT ATRIA gt BD ERA DSA NRK Class 3A Class 3B EHR gt AE TASB 218 37 2 3227 70 5 gt 55 Af 121 2 Sug le a amp cae Wy AA a a GRETEASARERR GRRERENM MONA CH 20 gt hf AA LA ts ale Chapter 2 Safety information 15 DANGER Le courant lectrique provenant de l alimentation du t l phone et des c bles de transmission peut pr senter un danger Pour viter tout risque de choc lectrique e Ne manipulez aucun c ble 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 cord
6. le a quo quo doo e don e e 8 E CER 000000 O locoooo Ol 000000 e 000000 e 000000 elo 000000 SCT Es 000000 e gt 000000 loooooo al NODO LY e ED a te o e a cel 6 oia a Figure 59 Disconnecting the LCD panel cable from the system board 9 Remove the 12 screws that secure the bracket frame to the main bracket n A q ne A Z ken NE00000 000000 000000 000000 le 000000 11 000000 000000 000000 000000 Col lm LY e y o u o a o fol or a o fol TAT P Q T T Figure 60 Removing the 12 screws that secure the bracket frame to the main bracket 10 Record the cable routing and cable connections and then disconnect all cables that prevent you from lifting the computer main bracket 11 Lift the bracket frame off the front bezel 118 ThinkCentre E93z Hardware Maintenance Manual 12 Remove the four screws that secure the main bracket to the LCD panel asse
7. 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 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 E93z Hardware 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 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 DANGER Certains produits laser contiennent une diode laser int gr e de classe 3A ou 3B Prenez connaissan
8. cas Class 3B Class 3A 433 a gasa Jal agus Aaa de jal olaia Gans g giai NI blej ja Agia dal cg All ga 5 pilya dali Y y Elegy ll Gai Y il die Ga dad ER lia ya all Guindy gt 18 kg 37 lbs 232 kg 70 5 Ibs gt 55 kg 121 2 Ibs DAI A sie Aid Gls las alada Gay AA 2 Am He Aga gal ies Ca gal gle a ga gal Ji sad 45 el Y dal y glas ls Ga iS gall O95 gally lal d Jal clio asal 4a gl SSA Saad On asl E RS iN 2 e 10 AA PERIGO A corrente el trica proveniente de cabos de alimenta o de telefone e de comunica es perigosa 10 ThinkCentre E93z Hardware Maintenance Manual Para evitar risco de choque el trico e Nao conecte nem desconecte nenhum cabo ou execute instalac o manutenc o ou reconfigurac o deste produto durante uma tempestade com raios e Conecte todos os cabos de alimentac 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 configu
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10. The mouse or pointing device does not work Symptom The mouse or pointing device does not work Actions e 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 e Verify that the device drivers for the mouse or pointing device are installed correctly e If you are using a USB keyboard or mouse verify that the USB connectors are enabled in the BIOS settings See Enabling or disabling a device on page 57 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 32 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 deb
11. 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 Acceridere unita 4 Rimuovere tutti i cavi dalle unita ATTENZIONE Quando si sostituisce la batteria al litio utilizzare solo il Numero parte 45C1566 o un tipo di batteria equivalente consigliato dal produttore Se sul sistema e 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 puo esplodere se usata maneggiata o smaltita in modo non corretto Non e Gettare o immergere la batteria nell acqua e Riscaldarla ad una temperatura superiore 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 E93z Hardware Maintenance Manual A ATTENZIONE Quando vengono installati prodotti laser quali C
12. 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 Place a soft clean towel or cloth on the desk or other flat 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 80 Locate the card reader in the computer See Locating major FRUs and CRUs on page 70 N Remove the system board shied See Removing and reinstalling the system board shield on page 86 Disconnect the card reader cable from the card reader NO oO PR W Remove the two screws EE that secure the card reader and then lift the card reader off the computer Figure 42 Removing the card reader Chapter 9 Replacing FRUs 103 8 To install the card reader position the new card reader on the system board so that the screw holes in the new card reader are aligned with the corresponding mounting studs on the chassis Then install the two screws PM to secure the card reader Figure 43 Installing the card reader 9 Connect the cabl
13. 129 Security features A Hardware controlled Ses Wed Operating system password Vital product data BIOS levels Flash update procedures Updating flashing the BIOS from a diss Updating flashing the BIOS from your operating system Recovering from a POST BIOS update failure Power menagem Advanced configuration and power ie ACPI BIOS TE Automatic Power on features Appendix A Notices Television output notice European conformance CE mark Trademarks Index 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 Edge 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 sure 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 and are applicable to all ThinkCentre Edge computers For major Field Replaceable Units 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 75 For FRU part numbers go to http www lenovo com serviceparts
14. 2014 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 or Windows 8 1 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 update flash the BIOS from a disc on the Windows 8 64 bit or Windows 8 1 64 bit operating system do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 N From the Setup Utility program main menu select Exit gt OS Optimized Default gt Disabled CD Select Yes in the window displayed and press Enter to confirm your selection gt Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 59 5 Repeatedly press and release F12 when turning on the computer When the Startup Device Menu window opens release F12 6 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 7 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 n
15. Install the two screws to secure the rear I O assembly to the computer Figure 30 Installing the rear I O assembly 12 Install the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Chapter 9 Replacing FRUs 93 Replacing the power supply assembly Attention Do not open your computer or attempt any repair before reading and understanding the 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 2 Place a soft clean towel or cloth on the desk or other flat 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 80 Locate the power supply assembly See Locating major FRUs and CRUs on page 70 Remove the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Disconnect the power cable EE from the power cable Remove the screw to disconnect the earth wire A from the chassis oa EO Figure 31 Disconnecting the power cable and earth wire 94 ThinkCent
16. 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 2014 61 The following table describes the 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 8 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 the memory operation e Starts the video operation e Verifies that the boot drive is working If the POST detects a pr
17. 22 Installing the three screws to secure the system board shield Removing and reinstalling the VESA mount bracket Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to remove and reinstall the video electronics standards association VESA mount bracket To remove and reinstall the VESA mount bracket 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 other flat 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 80 Locate the VESA mount bracket See Locating major FRUs and CRUs on page 70 Remove the system board shield See Removing and reinstalling the system board shield on page 86 88 ThinkCentre E93z Hardware Maintenance Manual 6 Remove the three screws fj that secure the VESA mount bracket and then lift the VESA mount bracket off the computer Figure 23 Removing the VESA mount bracket Chapter 9 Replacing FRUs 89 7 To reinstall the VESA mount bracket posi
18. E then fully remove screw EE and then fully remove screw b Partially remove screw EE then fully remove screw EE and then fully remove screw El Note Carefully loosen 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 assembly El Figure 37 Loosening the four screws that secure the heat sink assembly Chapter 9 Replacing FRUs 99 7 Lift the failing heat sink assembly off the system board Notes a You might have to gently twist the heat sink assembly to free it from the microprocessor b Do not touch the thermal grease while handling the heat sink assembly 8 Position the new heat sink assembly on the system board so that the four screws on the new heat sink assembly are aligned with the corresponding holes in the system board 9 Follow the following sequence to install the four screws to secure the new heat sink assembly Do not over tighten the screws a Partially tighten screw then fully tighten screw EE and then fully tighten screw b Partially tighten screw EE then fully tighten screw E and then fully tighten screw El E Figure 38 Tightening the four screws to secure the heat sink assembly 10 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 Replacing the microprocessor CAUTION The heat sink and fan assembly might be very hot Turn off the computer and wa
19. E93z Hardware Maintenance Manual Replacing the Wi Fi card Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the Wi Fi card Note The Wi Fi 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 Place a soft clean towel or cloth on the desk or other flat 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 80 Remove the system board shield See Removing and reinstalling the system board shield on page 86 Locate the Wi Fi card on the system board See Locating major FRUs and CRUs on page 70 Disconnect the two cables from the Wi Fi card and then carefully remove the screw that secures the Wi Fi card to the system board N Oona Aa DV Figure 65 Disconnecting cables and removing the screw from the Wi Fi card Chapter 9 Replacing FRus 121 7 Pivot the Wi Fi card upward and lift the Wi Fi card out of the mini PCI Express slot Figure 66 Removing the Wi Fi card
20. Locating major FRUS And CRUS Looking up FRU information Locating parts on the system board Chapter 9 Replacing FRUs Removing and reinstalling the frame stand Removing and reinstalling the monitor stand Removing and reinstalling the transformer stand Removing the computer cover Replacing the feet Replacing the hard disk drive Replacing the optical drive iu les META Removing and reinstalling the system board shield Vie en re aa 55 55 55 55 56 56 56 56 56 57 57 57 58 58 59 59 61 61 61 61 62 63 65 67 67 69 70 72 73 75 75 76 78 80 81 82 84 86 Removing and Ba the VESA mount bracket Replacing the rear vo sab Replacing the power supply assembly Replacing the microprocessor fan Replacing the heat sink assembly Replacing the microprocessor Replacing the card reader Replacing the GPU fan Replacing the battery Replacing the converter board Installing or replacing a memory module Replacing the internal speakers Replacing the integrated camera Replacing the system board Replacing the LCD panel assembly Replacing the Wi Fi card Replacing the keyboard or mouse Replacing the wireless keyboard Replacing the wireless mouse Completing the parts replacement Chapter 10 Additional service information ii ThinkCentre E93z Hardware Maintenance Manual 88 90 94 97 99 100 103 104 106 107 109 110 112 114 117 121 123 124 124 126
21. Place a soft clean towel or cloth on the desk or flat 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 78 ThinkCentre E93z Hardware Maintenance Manual 5 Push the release button toward the top of the computer as shown Then lift the transformer stand up to remove it from the computer Figure 9 Removing the transformer stand 6 To reinstall the transformer stand insert the two tabs El on the transformer stand into the corresponding holes in the chassis Then push the release button toward the top of the computer and lower down the transformer stand at the same time Release the release button to secure the transformer stand on the computer Figure 10 Installing the transformer stand Chapter 9 Replacing FRUs 79 Removing the computer cover Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 CAUTION Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover This section provides instructions on how to remove the computer cover To remove the computer cover 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
22. a USB 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 connected to a USB connector on the computer e The mouse is clean Refer to Optical mouse on page 43 for further information Copyright Lenovo 2013 2014 35 Sion o am TT 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 57 The computer beeps multiple Verify that no keys are stuck times before the operating system starts Accessing Control Panel on the Windows 8 or Windows 8 1 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 or Windows 8 1 operating system do one of the following e From the desktop 1 Move the pointer to the top right or bottom right corner of the screen to display the charms 2 Click Settings 3 Click Control Panel e From the Start screen For Windows 8 1 Move the pointer 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 For Windows 8 1 1 Click the arrow icon M in the bottom l
23. 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 1 view or permanently change the configured startup device sequence do the following 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 Automatic 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 59 Enabling ErP compliance mode Yo u 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 1 2 No qro enable ErP compliance mode in the Setup Utility program 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 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 Press F10 to save
24. actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 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 Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 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 ensure that the DVD disc is in the drive labeled DVD 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 32 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 fa
25. 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 OFF 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 dri
26. ber 100 C erhitzen e reparieren oder zerlegen Die rtlichen Bestimmungen f r die Entsorgung von Sonderm ll beachten 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 A ACHTUNG Arbeitsschutzrichtlinien beim Anheben der Maschine beachten AA ACHTUNG Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung f r die Einheit nicht unterbrochen Die Einheit kann auch mit mehreren Netzkabeln ausgestattet 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 20a iu n120 PION NIN NNWPN 950 INUN 2232 22y1mn Ynwn DIT mynwnnn non VINNI TD NT ASMA amen APY IX APINN npnn
27. 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 58 Pressing the power switch 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 1 Start the Setup Utility program 2 From the Setup Utility program main menu select Power gt Automatic Power On and press Enter 3 Select Wake Up on Alarm and press Enter Then follow the instructions on the screen 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit 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 N From the Setup Utility program main menu select Power gt After Power Loss and press Enter CD Select Power On and press Enter gt Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit ThinkCentre E93z Hardware Maintenance Manual Changing the BIOS settings before installing a new operating system BIOS settings vary by operating system Change the BIOS settings before
28. 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 Chapter 2 Safety information 5 When handling ESD sensitive parts e Keep the parts in protective packages until they are inserted into the product e Avoid contact with other people while handling the part e Wear a grounded wrist strap against your skin to eliminate static on your body e Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap e 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 e Select a grounding system such as t
29. devices attached to the serial port Chapter 5 Troubleshooting and diagnostics 51 Symptom Serial port cannot be accessed Actions e Ensure that 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 ensure that it is attached to a properly grounded electrical outlet e f the serial device has its own On Off switch ensure that it is in the On position e If the serial device has an Online switch ensure that it is in the Online position e lf the serial device is a printer ensure that 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 Ensure 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 Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 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 sort 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
30. 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 exposic o prejudicial radiac o PERIGO Alguns produtos a laser cont m diodo de laser integrado da Classe 3A ou da Classe 3B Observe o seguinte Radiac o a laser quando aberto N o olhe diretamente para o feixe a olho nu ou com instrumentos pticos e evite exposic o direta ao feixe gt 18 kg 37 lbs gt 32 kg 70 5 lbs gt 55 kg 121 2 lbs CUIDADO Utilize procedimentos de seguran a para levantar equipamentos AA CUIDADO O bot o de controle de alimentac o do dispositivo e o bot o para ligar desligar da fonte de alimentac o n o desligam a corrente eletrica fornecida ao dispositivo O dispositivo tambem 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 2 ae 10m AA 12 ThinkCentre E93z Hardware Maintenance Manual
31. 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 50 ThinkCentre E93z Hardware Maintenance Manual 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 OO BON Click Defragment Now again to start a disk defragmentation process On the Windows 8 or Windows 8 1 operating system do the following 1 Close any programs that are currently running and close any open windows On Windows 8 open File Explorer and click Computer On Windows 8 1 open File Explorer Right click your C drive entry and then click Properties Click the Tools tab and then click Optimize q A O N Click Optimize in the Optimize Drives window that is displayed to start a disk defragmentation process Insufficient memory Symptom Insufficient memory In general the more memory tha
32. 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 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
33. 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 legal oda glo J USI J o Li sasa gal Gl dal US de E Gye S NVI NIY Yan 7199 NT nona nom mnran mymn 22 NX DNNIPY INDI EAS SSA DIE USS LB AM DE SING LASA ES SAUCE AIS O Copyright Lenovo 2013 2014 1 2 ThinkCentre E93z Hardware 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
34. 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 56 ThinkCentre E93z Hardware Maintenance Manual 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 2 Remove the computer cover 3 Locate the Clear CMOS Recovery jumper on the system board 4 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 6 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 9 Reinstall the computer cover and connect the power cord 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 C
35. 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 aR 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 on page 33 If you do receive the correct response proceed to step 7 on page 33 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 lf the computer displays a POST error go to POST error codes on page 62 e f the computer hangs and no error is displayed continue at step 7 on page 33 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 Ifthe test stops and you cannot continue replace the last device tested Problem determination tips Due to the variety of hardware 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
36. page 44 e The wireless keyboard does not work on page 44 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 diagnose problems with the Rapid Access buttons 42 ThinkCentre E93z Hardware Maintenance Manual 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 or Windows 8 1 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 32 for details
37. 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 Ifthe 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 or Windows 8 1 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 If 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 32 for details USB problems Symptom The USB connectors cannot be accessed Actions e Ensure that the USB cable is securely connected to the USB connector and to the USB device If the USB device has its own power cord ensure that it is attached to a properly grounded electrical outlet e Ifthe USB device has its own On Off switch ensure that it is in the On positi
38. 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 have 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 Other software works on your computer The software you are using works correctly on another computer 52 ThinkCentre E93z Hardware Maintenance Manual e If you received any error messages while using the software program
39. system for more information 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 32 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 39 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 connector on the computer e Ensure that the cable that attaches the left speaker to the right speaker is securely connected e Right click the speaker icon in the Windows desktop notification area and then click Playback devices Click the Playback tab select Speakers and then click Properties Click Balance on the Levels tab and verify that the Balance setting is set correctly 38 ThinkCentre E93z Hardware Maintenance Manual 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 32 No audio in DOS applications or games Symptom No audio in DOS applications or games Actions e Ensure that the DOS application or game is configured to use SoundBlaster Pro or SoundBlaster emulation Refer to the doc
40. 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 O Copyright Lenovo 2013 2014 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 length e Contain at least one alphabetic character and one numeric character e Setup Utility program and hard disk 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 signifi
41. 1 Ensure that 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 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
42. 8 Insert the notched end of the new Wi Fi card into the mini PCI Express slot Press the new Wi Fi card firmly and then pivot the Wi Fi card downward to align the screw hole in the new Wi Fi card with that in the system board Figure 67 Installing the Wi Fi card 122 ThinkCentre E93z Hardware Maintenance Manual 9 Install the screw to secure the new Wi Fi card to the system board Connect the two cables to the new Wi Fi card Figure 68 Securing the Wi Fi card and connecting cables 10 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 Replacing the keyboard or mouse Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the keyboard or mouse To replace the keyboard or mouse do the following 1 Disconnect the old keyboard cable or mouse cable from the computer Chapter 9 Replacing FRUs 123 2 Connect a new keyboard or mouse to one of the USB connectors on the computer Depending on where you want to connect the new keyboard or mouse see Locating connectors controls and indicators on the front of your computer on page 67 or Locating connectors on the rear of your computer on page 69 S p Figure 69 Connecting the USB keyboard or mouse Replacing the wireless keyboard To replace the
43. D ROM unit DVD ROM unit 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 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 gt 18 kg gt 32 kg 255 kg 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 unit accertarsi che tutti i cavi di alimentazione siano scollegati dalla fonte di alimentazione 2 Ca 10d Chapter 2 Safety information 23 ea Aa Ast SO HOSS Are AZ ELCH gasol HAS Lot AM CHE ZO stilo 4747 ALE SOE ASS AB LE Zr E MES Mal E MASSE OAL rin A rio H ir mo HZ YALE 217 EME
44. ENO HAS AAG HEAR LES HAL gt 18 kg 37 Ibs gt 32 kg 70 5 lbs gt 55 kg 121 2 Ibs FOI HS 501 sa Hi THE UE AA AA zei SAIS E ve HE 2 FIS Sa SIS HN SIZE A850 SAIO Sar 4715 APSA 0 Bale 9 323 7HI2 JS USLICL SAN DE HAE Et EME JA 22725 Salzio gi sx A RISA ID 20 gt 10am AA PELIGRO La corriente el ctrica procedente de cables de alimentaci n tel amp 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 e Desconecte los cables de alimentaci n los sistemas de telecomunicaciones las redes y los m dems 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 si
45. Locating connectors on the rear of your computer Figure 2 Rear connector locations on page 69 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 computer Power button E Monitor mode computer mode button El Volume down control Volume up control Optical drive HSE 20 correctos E Connector Description Ethernet connector Used to attach an Ethernet cable for a local area network LAN Note To operate the computer within FCC Class B limits use a Category 5 Ethernet cable Combo audio jack support Used to attach a supported headset to your computer to record sound use headset and Microphone speech recognition software or listen to music or other sounds without disturbing anyone Chapter 8 Locations 69 Connector HDMI monitor connector USB 2 0 connector USB 3 0 connector Description Used to deliver uncompressed high definition video and multichannel digital audio signals through a single cable This HDMI connector can attach a high performance monitor a direct drive monitor or other audio or video devices that use an HDMI connector Used to attach a device that requires a USB 2 0 connector such as a USB keyboard a USB mouse a USB scanner or a USB printer If you have more than eig
46. O NASAIS 01L4 PAA SA0 LE BP BAY HAS BCH AX DIA ui Ir rir mo E E Th SA SI 7 220 BIE ZIA APO LE BS BAS NE 27 Moll HAE HA DE dega 248 Brlsale rio 24 SA AIAG E MSOILI ABE SRE SAI 0155710 BUNS SWS ES ES SME ASS AZAL Srl HA lo age M el amp th D od A Jo Pal 40 0 5 gt HO DE 9 HAS DUAL AR DE AOIEZ SAM SESAMO an BAEAN AA VCS FIANO AME AS HOISS AASA HMMA AS HOSS SAYA gt ov N PAE AR DES ABA SAQA DE AOSS ZAAL a rom 2 WHEE 22434 HE Part Number 4501566 SE HIZAAIOIN SUS SHO MBS MSHS A ZA HO cl HAAS ZH PES AS SUE MENA SAS RE FALE JAI MESE us HALO ERIAS 2150 HRA 2101 ER AS Fa LE HE SS 389 HHO USLICI AUS YASAN CE AS EFAS HAAS E SO AAPL FIFA DAAD 100 212 F 014 FFAS DALE 74L ESSAI DRA LO HAAS BF St INS HS LE SAR OFM AO Cl AI IS HA e FO CD ROM DVD ROM 241 FMS HA LE SM BA ZS HON MBS SAB M Si 22 Fe FASS HTSA BOWS YX HAL ars 2 Su HoH AF LAO EE PEO ELIO Bal FUE ASAE EJS Sela US FEO RSLICt xa HUA 2 01919 FE 01 28 SL BHE Cof HES 20 11 SAI SE UELI 24 ThinkCentre E93z Hardware Maintenance Manual A A ur SHOE YHE SAS 3A LE SAA 3B HoH LLEI UEL CHS FAHA RAHAL Erpo 271 Sel HOH SA ALRI SSELICL 340 EO AM MOIXI PES HAL 4 HE Ast WPS HBE S
47. OS updating flashing 131 trademarks 134 transformer stand removing 78 transformer stand reinstalling 78 troubleshooting basic 35 troubleshooting diagnostics 35 U updating flashing the BIOS 131 USB 2 0 connector 70 USB 3 0 connector 70 using passwords 55 Setup Utility 55 V VESA mount bracket removing 88 viewing and changing settings 55 W Wi Fi card replacing 121 lenovo
48. Place a soft clean towel or cloth on the desk or other flat 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 any locking device that secures the computer cover 4 Remove the computer stand See Removing and reinstalling the frame stand on page 75 Removing and reinstalling the monitor stand on page 76 or Removing and reinstalling the transformer stand on page 78 5 Loosen the two screws J at the bottom of the computer and then carefully lift the computer cover up to remove it from the computer Notes e The two screws cannot be removed from the computer cover e If necessary use a flat head screwdriver to help you remove the computer cover Figure 11 Removing the computer cover 80 ThinkCentre E93z Hardware Maintenance Manual Replacing the feet Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to remove the feet To replace the feet 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 other flat surface Hold the sides of your computer and gently
49. U fan Chapter 9 Replacing FRUs 105 8 Position the new GPU fan so that the screw holes in the new GPU fan are aligned with the corresponding mounting studs on the system board Reinstall the two screws to secure the GPU fan Figure 45 Installing the GPU fan 9 Connect the cable of the new GPU fan to the system board See Locating parts on the system board on page 73 10 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 Replacing the battery Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the battery 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 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 notice in the Safety Warranty and Setup Guide for information about replacing and disposing of the battery To replace the battery do the following 106 ThinkCentre E93
50. YON 1179 asim DO TRS DAYA NIMEN WAN IX NP NIN van NM Ph NM Ip 0919 ANNA MN NM INI NP NDYNN nyn m x gt 37 XP 18 lt 12 70 5 a p 32 lt 29 121 2 2 p 55 lt MYAT MDY wnanwna nya D NIXIN TTS nn MYNT APND p910Nn Inwnn DIT nx D pDON DPX 2nnn poo 2 n gt yaan anm NPNNN gt n gt yann yn pnnnn NUNN Dam 55 NX PID TD TNN DAWN Haan ANY 21229 Wy 1Pnan 9012 2nunn Npnn D PNUN 2nwnn dad Dw INT 20 10d Chapter 2 Safety information 21 AA PERICOLO La corrente elettrica proveniente dai cavi di alimentazione del telefono e di comunicazione puo 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 segnale 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
51. ance Manual 6 Run the diagnostic program See Lenovo Solution Center on page 54 for more information e For Windows 8 or Windows 8 1 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 e If the diagnostic program detects a hardware failure contact the Lenovo Customer Support Center See Lenovo Support Web site on page 32 for more information e If you are unable to run the diagnostic program contact the Lenovo Customer Support Center See Lenovo Support Web site on page 32 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 8 If none of these actions solve the problem seek technical assistance See Lenovo Support Web virus remove the virus site on page 32 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 2 3 Select the problem your computer is experiencing from the following list Remove the new hardware option or s
52. ange 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 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 O Copyright Lenovo 2013 2014 133 Television output notice The following notice applies to models that have the factory ins
53. ard See Locating parts on the system board on page 73 Chapter 9 Replacing FRUs 109 6 Remove any parts and disconnect any cables that might prevent your access to the memory slots 7 If you are installing a memory module go to step 8 If you are replacing a memory module open the retaining clips and gently pull the memory module out of the memory slot Figure 50 Removing a memory module 8 Align the notch EX on the new memory module with the key Elin the memory slot and then insert the new memory module into the slot at an angle of about 20 degrees Ensure that the new memory module is inserted firmly and then pivot the memory module downward until it snaps into position Notes e Carefully handle the memory module by its edges e Ensure that the memory module is secured in the slot and does not move easily Figure 51 Installing a memory module 9 Reinstall any parts and reconnect any cables that you have removed 10 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 Replacing the internal speakers Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 110 ThinkCentre E93z Hardware Maintenance Manual This section provides instructions on how to replace the internal speakers To replace the internal speakers do the foll
54. ate Driver Software and then follow the instructions on the screen On the Windows 8 or Windows 8 1 operating system do the following 1 Open Control Panel 2 Click Hardware and Sound 3 Click Device Manager If you are prompted for an administrator password or confirmation type the password or provide confirmation 4 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 5 Click Update Driver Software and then follow the instructions on the screen e The switch port and the adapter have the 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 ensure that the correct device driver is installed The Wake on LAN feature is not working Symptom The Wake on LAN WOL feature is not work
55. audio while playing DVD movie on page 40 e Playback is very slow or choppy on page 41 e Invalid disc or no disc found message on page 41 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 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 32 DVD movie will not play Symptom DVD movie will not play Actions e Ensure 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 Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 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 40 ThinkCentre E93z Hardware Maintenance Manual e Ensure 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
56. cantly 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 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 2 From the Setup Utility program main menu select Security 3 Depending on the password type select Set Power On Password Set Administrator Password or Hard Disk Password 4 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
57. ce 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 32 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 2 ae 1 0 m 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 ebenfalls an Schutzkontaktsteckdosen mit ordnungsgem geerdetem Schutzkontakt anschlie en e Die Signalkabel nach M glichkeit einh ndig anschlie en oder l sen um einen Stromschlag durch Ber hren von Oberfl chen mit unterschiedlichem elektrischem Potenzial zu vermeiden e Ger te niemal
58. 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 or Windows 8 1 operating system do the following 1 Open Control Panel 2 Click Hardware and Sound gt Power Options 3 In the left panel do one of the following e For Windows 8 Click Choose what the power buttons do e For Windows 8 1 Click Choose what the power button does 4 In the Shutdown setting section clear Turn on fast startup Note If the settings are unavailable click Change settings that are currently unavailable 5 Click Save changes 132 ThinkCentre E93z Hardware 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 nat infringe any Lenovo intellectual property right may be us
59. converter board Attention Do not open your computer or attempt any repair before reading and understanding the 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 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 Chapter 9 Replacing FRUs 107 N 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 80 Remove the optical drive See Replacing the optical drive on page 84 Locate the converter board in the computer See Locating major FRUs and CRUs on page 70 Remove the two screws that secure the converter board to the main bracket Disconnect the cables from the converter board and then lift the converter board off the computer OORA Ww Figure 48 Removing the converter board 108 ThinkCentre E93z Hardware Maintenance Manual 7 Connect the cables to the new converter board Position the new converter board on the chassis so that the two screw holes in the new converter board are aligned with those in the computer In
60. cover on page 80 Remove the system board shield See Removing and reinstalling the system board shield on page 86 Locate the system board See Locating major FRUs and CRUs on page 70 Remove the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Remove the heat sink assembly See Replacing the heat sink assembly on page 99 Remove the microprocessor See Replacing the microprocessor on page 100 114 ThinkCentre E93z Hardware Maintenance Manual 9 Remove the memory modules See Installing or replacing a memory module on page 109 10 Remove the battery See Replacing the battery on page 106 11 Remove the GPU fan See Replacing the GPU fan on page 104 12 Remove the card reader See Replacing the card reader on page 103 13 Remove the rear I O assembly to gain access to the system board See Replacing the rear I O assembly on page 90 14 Record all cable connections and cable routing and then disconnect all cables from the system board 15 Remove the six screws that secure the system board Carefully lift the system board out of the chassis Note Carefully handle the system board by its edges pa E S y _ A
61. d on page 73 10 Reinstall the rear MO assembly See Replacing the rear I O assembly on page 90 Replacing the integrated camera Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 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 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 other flat 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 80 Locate the integrated camera in the computer See Locating major FRUs and CRUs on page 70 Remove the system board shield See Removing and reinstalling the system board shield on page 86 DUO Note the routing of the integrated camera cable and then disconnect the cable from the system board See Locating parts on the system board on page 73 112 ThinkCentre E93z Hardware Maintenance Manual 7 Remove the two screws that secure the integrated camera to remove th
62. e computer cover Figure 71 Installing the computer cover 5 Reinstall the computer stand See Removing and reinstalling the frame stand on page 75 Removing and reinstalling the monitor stand on page 76 or Removing and reinstalling the transformer stand on page 78 6 Lock the computer cover if you have an integrated cable lock 7 Reconnect the external cables and power cord to the computer 126 ThinkCentre E93z Hardware Maintenance Manual 8 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 Note In most areas of the world Lenovo requires the return of the defective Customer Replaceable Unit CRU Information about this will come with the CRU or will come a few days after the CRU arrives Chapter 9 Replacing FRUs 127 128 ThinkCentre E93z Hardware 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 passwo
63. e 2 Programs in Control Panel Control Panel section Green text in Control Panel Communications Utility Hardware and Sound Lenovo Web Conferencing Lenovo Solution Center System and Security Lenovo System Health and Diagnostics Password Manager System and Security Lenovo Password Vault User Accounts and Family Safety Power Manager Hardware and Sound Lenovo Power Controls System and Security Recovery Media System and Security Lenovo Factory Recovery Disks Chapter 3 General information 31 Table 2 Programs in Control Panel continuea Program Control Panel section Green text in Control Panel Rescue and Recovery System and Security Lenovo Enhanced Backup and Restore System Update System and Security Lenovo Update and Drivers View Management Utility System and Security Lenovo View Management Utility 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 the following Press the Windows key to go to the Start screen Click a Lenovo program to launch it If you cannot find the program 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 Lenovo Companion e L
64. e integrated camera from the computer Figure 54 Removing the integrated camera Chapter 9 Replacing FRUs 113 8 10 Position the new integrated camera so that the two screw holes in the new integrated camera are aligned with those in the front bezel Install the two screws to secure the new integrated camera to the front bezel Figure 55 Installing the integrated camera Route the cable of the new integrated camera and then connect the cable to the system board See Locating parts on the system board on page 73 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 Replacing the system board Attention Do not open your computer or attempt any repair before reading and understanding the 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 o No qro 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 other flat 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
65. e of the new card reader to the system board See Locating parts on the system board on page 73 10 Install the system board shied See Removing and reinstalling the system board shield on page 86 Replacing the GPU fan Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the graphics processing unit GPU fan To replace the GPU 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 other flat 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 80 Locate the GPU fan in the computer See Locating major FRUs and CRUs on page 70 Remove the system board shield See Removing and reinstalling the system board shield on page 86 Disconnect the GPU fan cable from the system board Oo ao E W 104 ThinkCentre E93z Hardware Maintenance Manual 7 Remove the two screws El that secure the GPU fan to the system board Then lift the GPU fan off the computer Figure 44 Removing the GP
66. e 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 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 For 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 45 e The monitor works when you turn on the computer but goes blank after some period of computer inactivity on page 45 e The monitor works when you turn on the computer but goes blank when you start some application programs on page 45 e The image appears to be flickering on page 45 e The image is discolored on page 46 44 ThinkCentre E93z Hardware Maintenance Manual 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 32 The monitor works when you turn on the computer b
67. e 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 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 Open the computer cover See Removing the computer cover on page 80 3 Remove the hard disk drive See Replacing the hard disk drive on page 82 4 Locate the Clear CMOS Recovery jumper on the system board See Locating parts on the system board on page 73 5 Remove any cables that impede access to the Clear CMOS Recovery jumper 6 Move the jumper from the standard position pin 1 and pin 2 to the maintenance position pin 2 and pin 3 7 Reconnect any cables that were disconnected and reinstall the PCI card if removed 8 Close the computer cover and reconnect the power cords for the computer and monitor to electrical outlets See Completing the parts replacement on page 126 9 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
68. ed 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 jurisdictions 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 ch
69. eft corner of the screen to go to the Apps screen 2 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 functioning 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 Goto the Troubleshooting on page 37 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 gt Control Panel gt System and Security gt System gt System Protection gt System Restore 36 ThinkCentre E93z Hardware Mainten
70. emove the screw EE that secures the hard disk drive assembly Slide the hard disk drive assembly as shown Figure 14 Removing the hard disk drive assembly 6 Disconnect the cables from the hard disk drive 7 Remove the four screws on the hard disk drive bracket Then slide the hard disk drive out of the hard disk drive bracket Note Do not touch the circuit board on the bottom of the hard disk drive gt Figure 15 Removing the hard disk drive from the hard disk drive bracket Chapter 9 Replacing FRUs 83 8 Slide the new hard disk drive into the hard disk drive bracket until the hard disk drive is secured in place Ensure that the four screw holes in the hard disk drive are aligned with the corresponding holes in the bracket Install the four screws to secure the hard disk drive to the bracket Figure 16 Installing the hard disk drive into the hard disk drive bracket 9 Reconnect the cables to the hard disk drive 10 Slide the hard disk drive assembly into the chassis as shown Align the screw hole in the hard disk drive bracket with the screw hole in the chassis Then install the screw to secure the hard disk drive assembly to the chassis Figure 17 Installing the hard disk drive assembly Replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information o
71. enovo 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 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 E93z Hardware Maintenance Manual Chapter 4 General checkout Attention The drives in the computer you are servicing might have been rearranged or the drive startup sequence 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 an explanation of these messages refer to the information supplied with that software package Before replacing any FRUs 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 the problem 1 Power
72. 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 Attention 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 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 f
73. formation on page 1 This section provides instructions on how to replace the LCD panel assembly To replace the LCD panel assembly do the following 1 2 NO O W 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 other flat 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 80 Locate the LCD panel assembly in the computer See Locating major FRUs and CRUs on page 70 Remove the optical drive See Replacing the optical drive on page 84 Remove the converter board See Replacing the converter board on page 107 Remove the feet See Replacing the feet on page 81 Chapter 9 Replacing FRUs 117 8 Disconnect the LCD panel cable from the system board o
74. ge 1 This section provides instructions on how to remove and reinstall the system board shield To remove and reinstall the system board shield 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 other flat 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 80 4 Locate the system board shield in the computer See Locating major FRUs and CRUs on page 70 86 ThinkCentre E93z Hardware Maintenance Manual 5 Remove the three screws that secure the system board shield Slide the system board shield outward slightly and then lift the system board shield off the computer Figure 20 Removing the system board shield 6 Align the tabs Jon the system board shield with the corresponding slots in the chassis Then carefully position the system board shield onto the chassis by inserting each tab into the corresponding slot Figure 21 Positioning the system board shield onto the chassis Chapter 9 Replacing FRUs 87 7 Slide the system board shield inward Reinstall the three screws to secure the system board shield to the computer Figure
75. guiente cuando instale mueva o abra las cubiertas de este producto o de los dispositivos conectados Para conectar Para desconectar 1 AP GUELO todo AP GUELO 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 se al a los conectores 3 Desconecte los cables de se al 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 PRECAUCI N Cuando sustituya una bater a de litio utilice solamente una bater a n mero de pieza 45C1566 u otra de tipo equivalente recomendada por el fabricante Si su sistema dispone de un m dulo que contiene una bater a de litio reempl celo s lo con el mismo tipo de m dulo del mismo fabricante La bater a 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 Desh gase de la bater a seg n especifiquen las leyes o normas locales A PRECAUCI N Cuando haya productos l ser 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 l ser podr a quedar expues
76. hnical support representative Chapter 5 Troubleshooting and diagnostics 53 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 a Windows operating system other than Windows 7 Windows 8 or Windows 8 1 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 54 ThinkCentre E93z Hardware 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 regardless 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
77. hose 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 Safety notices multi lingual translations The caution and danger safety notices in this section are provided in the following languages e English e Arabic e Brazilian Portuguese e Chinese simplified e Chinese traditional e French e German e Hebrew e Italian e Korean e Spanish AA DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard 6 ThinkCentre E93z Hardware Maintenance Manual 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
78. ht USB devices you can purchase a USB hub which you can use to connect additional USB devices Used to attach a device that requires a USB 2 0 or USB 3 0 connector such as a keyboard a mouse a scanner a printer or a personal digital assistant PDA USB 3 0 connectors provide high transmission speeds to reduce the time for data transmission Locating major FRUs and CRUs Figure 3 Locating major FRUs and CRUs on page 71 shows the locations of the major FRUs and CRUs in the computer To remove the computer cover see Removing the computer cover on page 80 70 ThinkCentre E93z Hardware Maintenance Manual Figure 3 Locating major FRUs and CRUs The following table lists the major FRUs shown in Figure 3 Locating major FRUs and CRUs on page 71 and identifies which FRUs are also self service CRUs or optional service CRUs 71 Chapter 8 Locations 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 ECT TT ostentan cn
79. ice CRUs 70 P part numbers 1 67 72 parts replacement completing 126 password administrator 56 considerations 56 power on password 56 setting changing deleting 56 passwords erasing 56 lost or forgotten 56 passwords using 55 physical specifications 30 power supply assembly replacing 94 power on password 56 R rear connectors 69 rear I O assembly replacing 90 recovering from a POST BIOS update failure 131 recovery boot block 131 removing system board shield 86 VESA mount bracket 88 removing computer cover 80 replacing battery 106 card reader 103 converter board 107 GPU fan 104 hard disk drive 82 heat sink assembly 99 integrated camera 112 internal speakers 110 LCD panel assembly 117 microprocessor fan 97 power supply assembly 94 rear MO assembly 90 system board 114 Wi Fi card 121 S security enabling or disabling 57 selecting startup device 57 temporary startup device 57 Self service CRUs 70 setting password 56 136 ThinkCentre E93z Hardware Maintenance Manual settings changing 55 viewing 55 Setup Utility 55 Setup Utility program starting 55 Setup Utility exiting 59 starting the Setup Utility program 55 startup device 57 sequence changing 58 temporary selecting 57 support web site support 32 support web site 32 system board locating parts 73 system board shield removing 86 system board replacing 114 T television output notice 134 temporary startup device 57 the BI
80. icroprocessor See Replacing the microprocessor on page 100 Reconnect all cables that were disconnected from the system board See Locating parts on the system board on page 73 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 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 After you have removed the microprocessor from the failing system board close the microprocessor retainer and then put the lever to the locked position to secure the retainer in place 116 ThinkCentre E93z Hardware Maintenance Manual 2 3 4 Note the orientation of the socket cover and install one side of the socket cover into the microprocessor socket Carefully press the other side of the socket cover downward until the socket cover snaps into position Note Your microprocessor socket and cover might look slightly different from the illustration Figure 58 Installing the microprocessor socket cover Carefully check the four corners of the socket cover to ensure that the cover is secured Follow any additional instructions that are included with the replacement part you received Replacing the LCD panel assembly Attention Do not open your computer or attempt any repair before reading and understanding the Important safety in
81. indicator locations on page 67 shows the locations of the connectors controls and indicators on the front of your computer Il H sy UE AS Figure 1 Front connector control and indicator locations El Integrated camera activity indicator Internal speakers E Integrated camera shield control slider El Combo audio jack support headset and Microphone El Integrated camera El Always On USB 3 0 connector EX Integrated microphones EN USB 3 0 connector E Monitor mode computer mode indicator Card reader slot O Copyright Lenovo 2013 2014 67 Notes e The Combo audio jack E supports a microphone integrated headset and a conventional microphone e By default the Always On USB 3 0 connector EX 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 a 11 in 1 card reader 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 card e Secure Digital eXtended Capacity SDXC card e Secure Digital High Capacity SDHC card 68 ThinkCentre E93z Hardware Maintenance Manual
82. ing Actions e Ensure 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 ensure that the network cable is securely connected e Connect to a 1000 BASE T hub switch not 1000 BASE X Chapter 5 Troubleshooting and diagnostics 47 If your computer is a Gigabit Ethernet model it cannot 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 Ensure that the link partner is set to auto negotiate e Ensure 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 Ensure 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 Ensure that your computer is within range of a wireless access point e Ensure that the wireless radio is enabled by double clicking the Acce
83. ing 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 Ensure that the power cable and signal cable are securely connected to the drive Chapter 5 Troubleshooting and diagnostics 39 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 medium such as the Product Recovery CD to start your computer Action Ensure 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 Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 DVD problems Select your symptom from the following list e Black screen instead of DVD video on page 40 e DVD movie will not play on page 40 e No audio or intermittent
84. installing a new operating system To change the BIOS settings 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 Exit gt OS Optimized Default 3 Depending on the operating system to be installed do one of the following e To install the Windows 8 64 bit or Windows 8 1 64 bit operating system select Enabled e To install an operating system other than Windows 8 64 bit or Windows 8 1 64 bit select Disabled 4 Select Yes in the window displayed and press Enter to confirm your selection 5 Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 59 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 e If you want to save the new settings press F10 to save changes and exit the Setup Utility program e 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 e If you want 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 Chapter 6 Using the Setup Utility progra
85. iously 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 If 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 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 32 An option that 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 exter
86. it three to five minutes to let the computer cool before removing the computer cover Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the microprocessor 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 100 ThinkCentre E93z Hardware Maintenance Manual 2 Place a soft clean towel or cloth on the desk or other flat 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 80 4 Locate the microprocessor on the system board See Locating major FRUs and CRUS on page 70 5 Remove the heat sink assembly to gain access to the microprocessor See Replacing the heat sink assembly on page 99 6 Press the small handle E and open the retainer to access the microprocessor El Figure 39 Accessing the microprocessor 7 Carefully lift the microprocessor straight up and out of the microprocessor socket Notes e Your microprocessor and socket might look different from the one illustrated e Touch only the edges of the microproces
87. 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 80 4 Locate the feet See Locating major FRUs and CRUs on page 70 5 Remove the two screws PM that secure the feet Then remove the feet from the computer Figure 12 Removing the feet Chapter 9 Replacing FRUs 81 6 Align the feet with the corresponding holes Install the two screws E to secure the feet Figure 13 Installing the feet Replacing the hard disk drive Attention Do not open your computer or attempt any repair before reading and understanding the 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 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 other flat 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 80 4 Locate the hard disk drive in the computer See Locating major FRUs and CRUs on page 70 82 ThinkCentre E93z Hardware Maintenance Manual 5 R
88. lenovo ThinkCentre E93z Hardware Maintenance Manual Lu Thinkbentre Machine Types 10B8 10B9 10BA 10BH 10BJ 10BK 10CX and 10CY 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 Third Edition January 2014 O Copyright Lenovo 2013 2014 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software are 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 Safety notices multi lingual translations Chapter 3 General information Specifications Lenovo programs Accessing Lenovo programs on the Windows 7 operating system Accessing Lenovo programs on a Windows 8 operating system Lenovo Support Web site Chapter 4 General checkout Problem determination tips Chapter 5 eng and diagnostics Basic troubleshooting Accessing Control Panel on the Windows 1 8or Windows 8 1 operating system Troubleshooting procedure Troubleshooting Audio problems CD problems DVD problems Intermittent
89. ly Carefully turn the rear I O assembly up side down Figure 25 Removing the two screws that secure the rear 1 0 assembly 7 Release the HDMI cable clip as shown and then disconnect the HDMI cable FX from the rear MO assembly Release the USB cable EJ from the connector E on the rear I O assembly Figure 26 Disconnecting the HDMI and USB cables Chapter 9 Replacing FRUs 91 8 Disconnect the power cable EE from the power cable Remove the screw EJ to disconnect the earth wire from the chassis Then remove the rear I O assembly from the computer Figure 27 Removing the rear 1 0 assembly 9 To reinstall the new rear I O assembly reconnect the power cable Fl and the power cable EX Align the earth wire with the corresponding hole in the chassis Then install the screw EJ to secure the earth wire Figure 28 Connecting the power cord cable and securing the earth wire 92 ThinkCentre E93z Hardware Maintenance Manual 10 Insert the HDMI cable into the corresponding hole in the rear I O assembly and then secure the HDMI cable clip EE Reconnect the USB cable EJ to the connector EJ on the rear I O assembly Turn the rear I O assembly downward as shown Figure 29 Connecting the HDMI and USB cables 11 Insert the two tabs on the rear I O assembly into the corresponding holes in the chassis Position the rear MO assembly on the chassis so that the screw holes in the rear I O assembly are aligned with those in the chassis
90. m 59 60 ThinkCentre E93z Hardware 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 Chapter 4 General checkout on page 33 This index can also be used to help you decide which FRUs to have available 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 code 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 data on the failing hard disk drive 2 Using the operating system programs format the hard disk drive The drive is defective
91. mbly and then lift the chassis up to get assess to the LCD panel assembly Figure 61 Removing the four screws that secure the LCD panel assembly 13 Place the main bracket over the new LCD panel assembly so that the four screw holes in the main bracket are aligned with those in the LCD panel assembly Reinstall the four screws to secure the new LCD panel assembly to the main bracket Figure 62 Installing the four screws to secure the LCD panel assembly 14 Position the bracket frame over the main bracket Ensure that the screw holes in the main bracket are aligned with those in the bracket frame Chapter 9 Replacing FRUs 119 15 Reinstall the 12 screws to secure the bracket frame to the main bracket km E don 5 don e 7 000 le A qu el ea 12 O a O q n e 7 000000 100000 E 000000 000000 O Mm 9000000 e 000000 000000 000000 000000 I Te py te e m o cl rem o sl TAT 2 19 Tar L Figure 63 I
92. multiple systems Is the failure repeatable Copyright Lenovo 2013 2014 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 resolution 34 ThinkCentre E93z Hardware Maintenance Manual Chapter 5 Troubleshooting and diagnostics This chapter provides information about diagnosing and troubleshooting computer problems If your computer problem is not described here see Lenovo Support Web site on page 32 for additional troubleshooting resources Basic troubleshooting The following table provides inf
93. n page 1 84 ThinkCentre E93z Hardware Maintenance Manual This section provides instructions on how to replace the optical drive 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 other flat 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 80 4 Locate the optical drive See Locating major FRUs and CRUs on page 70 5 Remove the screw fl that secures the optical drive Then slide the optical drive as shown to disconnect it from the cable and remove it out of the computer Figure 18 Removing the optical drive Chapter 9 Replacing FRUs 85 6 Slide the new optical drive into the optical drive bay until the new optical drive cable is connected to the cable and secured in place Install the screw to secure the new optical drive Figure 19 Installing the optical drive Removing and reinstalling the system board shield Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on pa
94. nal 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 Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 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 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 might produce errors if the hard disk drive gets too full Chapter 5 Troubleshooting and diagnostics 49 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 File Explorer and click 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
95. ng 80 computer cover reinstalling 126 connector 69 connectors rear 69 connectors controls indicators front 67 considerations passwords 56 Converter board replacing 107 CRU completing the installation 126 CRUs Customer Replaceable Units returning defective 70 D deleting a password 56 Description 69 diagnostic program 53 diagnostics troubleshooting 35 E environment operating 30 Ethernet connector 69 exiting Setup Utility 59 F failure recovering from POST BIOS 131 feet replacing 81 frame stand removing 75 frame stand reinstalling 75 Copyright Lenovo 2013 2014 front connectors controls indicators 67 FRU locations 70 FRU part numbers 1 67 72 FRUS replacing 75 G GPU fan replacing 104 H hard disk drive replacing 82 HDMI monitor connector 70 heat sink assembly replacing 99 Identifying FRUs 70 installing operating system 59 installing replacing memory module 109 integrated camera replacing 112 internal speakers replacing 110 K keyboard replacing 123 L LCD panel assembly replacing 117 Lenovo Solution Center 54 locating components 70 looking up part numbers 1 67 72 memory module 109 installing replacing 109 microprocessor fan replacing 97 monitor stand removing 76 monitor stand reinstalling 76 mouse replacing 123 N notice television output 134 notices 133 O optical drive replacing 84 135 optical mouse cleaning 43 Optional serv
96. noivo WLAN 91 092 WPNIN IN MANN da paa N910 9nna NDIN paxim Uma 2AWN YPY onynn 3525 55 nx man ADN MONND Inwn Y pY NT ayan mn y THY 29 man mx 929 DW pino IX MAN 7222 NNX TI 1wWNnnn AWONA NTN DNN IX WRN ANSIN PTI IN an PTI NITY Y WRI YI THY 197Y9N IX DIY PNNN 10 nono 939 Dmainnn DATAM nan pnn nmepna mova jonvan 929 NN pm NNN DNA nnnnyap npnnn 2579 OX NIN aman DIPNNI IX NT ana DDD NNN IX maya AIpNA Nya 22024 n9202 NINNI DAN NX pan man pn1 TD Yan TD 22n 12 1 22n 12 1 DVPVwnn Inwnn AD NN IPNI MURI 2 PNA Da2n 93 NX MAN MUNN 2 manada mmxn 929 Nx 19m 3 mana MMINN 929 nx man 3 DPNNND DAN 23 NX MON 4 DVPV MUNN 923 nx man 4 Jpnnn nx 19 yan 5 mvnr Men Tr Jy YMY ONIN ava WW 4501566 v pn nova 122102 PA wnANwWA rn an novo NON nya NY NR MANNI no iman DINI PI MIN DYNN arm n220 Hann Sima N2212 NANA DA MINI AMX DWN IN na 0290m MOWNNwWN XD DX YSIDNN2 DNDN pren an n221Dn py Dna 1220N dx 212 F 100 C n amaan ANU DNV mann dx PMDN 1x NPN ON AYNIPNA MPINN NNPNN 99 VITI 9910N NX ben 20 ThinkCentre E93z Hardware Maintenance Manual mar WAN mani 29 mw MTN IX vox WO YpNA DVD a nNw pN ano ad Ww sm mpnn nya n 21Dn 11 np ANwWNI Di n212y WIN AWM DW AMD DN mon DMDOINNX WON IN Jpnnn Na 2190 ma OPIN PR n 21Dn AMP ANWNI DD Dy IND DYININNN NINN MNR ODN VIVI 1x NMPII YMY DW NO nxan mnt 25 www Class 3B 1x Class 3A non 275 NIT Dan MA
97. ns are not working the computer might overheat e If SCSI devices are installed verify that the last external device in each SCSI chain is terminated correctly See your SCSI documentation 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 32 Hard disk drive problems Select your symptom from the following list e Some or all hard disk drives missing from the Setup Utility program on page 42 e No Operating System Found message or the system not starting from the correct hard disk drive on page 42 Chapter 5 Troubleshooting and diagnostics 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 Cente
98. nstalling the 12 screws to secure the bracket frame to the main bracket 16 Connect the cable of the LCD panel to the system board See Locating parts on the system board on page 73 e e g 8 d doo O doo e gt doo o YES don e W ol s eae STA 0 fl Sr o 000000 000000 O 000000 e 000000 O e 000000 e 000000 Ea e OD 000000 000000 Noll Il il oj Te ey Te o 1 mn O o Suns o o El GI Figure 64 Connecting the LCD panel cable to the system board 17 Reinstall the feet See Replacing the feet on page 81 18 Reinstall the integrated camera See Replacing the integrated camera on page 112 19 Reinstall the converter board See Replacing the converter board on page 107 20 Reinstall the optical drive See Replacing the optical drive on page 84 21 Connect all the cables that were disconnected See Locating parts on the system board on page 73 120 ThinkCentre
99. nter 5 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 6 Follow the instructions on the screen to complete the update After the update is completed remove the disc from the optical drive 130 ThinkCentre E93z Hardware Maintenance Manual Updating 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 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 ON DOF W ND Click the link for the readme file that contains the instructions for updating flashing the BIOS from your operating system 9 Print these instructions This is very important because these instructions will not be displayed on the screen after the download begins 10 Follow the printed instructions to download extract and install th
100. o 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 CA EE 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 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 Tabl
101. oblem 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 Configuration change has occurred This error message is displayed when a floppy drive change has been made Press F10 to exit 62 ThinkCentre E93z Hardware Maintenance Manual POST error message Description Action 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 No operating system found Press This error occurs only after the POST an
102. oftware If you must remove the computer cover to remove a hardware option ensure that you review and follow the electrical safety information provided with your computer For your safety do not operate the computer with the cover removed Run the diagnostic program to ensure that your computer is operating correctly Reinstall the new hardware option or software following the manufacturer s instructions Audio problems on page 37 CD problems on page 39 DVD problems on page 40 Intermittent problems on page 41 Keyboard mouse or pointing device problems on page 42 Monitor problems on page 44 Networking problems on page 46 Option problems on page 48 Performance and lockup problems on page 49 Printer problems on page 51 Serial port problems on page 51 Software problems on page 52 USB problems on page 53 Audio problems Select your symptom from the following list No audio in Windows on page 38 Chapter 5 Troubleshooting and diagnostics 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 39 No audio in Windows Symptom No audio in Windows Actions e f you are using powered external speakers that have an On Off control verify that the On Off contr
103. ol 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 Click the speaker icon in the Windows desktop notification area A volume control window opens Press Mixer to open the Volume Mixer window Verify that the speaker mute buttons are not pressed and the volume settings are not set too low e Some models have a front audio panel you can use to adjust volume If you have a front audio panel verify that the volume is not set too low e Verify that your external speakers and headphones if used are connected to the correct audio connector 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 Ensure 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 e Verify that the audio device drivers are correctly installed See Microsoft Windows help
104. on e Ifthe USB device has an Online switch ensure that it is in the Online position e Ifthe USB device is a printer ensure that paper is loaded correctly e Ensure that 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 Lenovo Solution Center program to test the USB connector 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 32 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 Solution Center on page 54 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 tec
105. on the Windows 8 1 operating system do the following 1 Open File Explorer 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 Method 1 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open File Explorer and click Computer On the Windows 8 1 operating system open File Explorer 2 Right click your C drive entry and then click Properties 3 Click Disk Cleanup 4 Alist of unnecessary file categories is displayed Select each file category you want to delete and then click OK e Method 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 Method 3 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open File Explorer and click Computer On the Windows 8 1 operating system open File Explorer Right click your C drive entry and then click Properties Click Disk Cleanup Click Clean up system files Click the More Options tab In the Programs and Features area click the Clean up button NO 1 fF PY A list of installed programs is displayed Select the program that you want to remove Click Uninstall Change or Uninstall e Clean out your Inbox Sent Items and Deleted Items folders
106. ons 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 c bl 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 c bles 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 alimentation des prises unites D branchez les c bles d interface des connecteurs 3 Branchez les c bles d interface sur des connecteurs D branchez tous lds Cables des nit s 4 Branchez les cordons d alimentation sur des prises 5 Mettez les unit s SOUS TENSION A ATTENTION
107. ontroller 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 following 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 59 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 4 3 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 Select the desired startup device and press Enter The computer will start up from the device you selected Chapter 6 Using the Setup Utility program 57 Note Selecting
108. or 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 Electrical safety A 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 O Copyright Lenovo 2013 2014 3 systems networks and modems before you open the computer covers unless instructed otherwise in the installation and configuration procedures Observe the following rules when working on electrical equipment Important Use only approved 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
109. ork adapter LED status Serial or parallel port device failure system board port 1 External Device Self Test OK 2 External Device 3 Cable 4 System Board 64 ThinkCentre E93z Hardware Maintenance Manual Message Symptom FRU Action Serial or parallel port device failure adapter port 1 External Device Self Test OK External Device Cable Alternate Adapter System Board Some or all keys on the keyboard do not work Keyboard Keyboard Cable System Board 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 h o gt y External devices modem printer or mouse Any adapters Memory modules Extended video memory External Cache External Cache RAM Hard disk drive Diskette drive 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 E93z Hardware Maintenance Manual Chapter 8 Locations 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
110. ormation 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 Simon Sie The computer does not start Verify that when you press the power Switch e 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 ensure 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 monitor screen is blank Verify that e The monitor signal cable is correctly connected to the monitor and to the appropriate monitor connector on the computer The monitor power cord is correctly connected to the monitor and to a working electrical outlet The monitor is turned on and the brightness and contrast controls are set correctly The computer voltage matches the voltage available at the electrical outlet for your country or region If your computer has two monitor connectors be sure to use the connector on the graphics card The keyboard does not work Verify that e The computer is turned on e The keyboard is securely connected to
111. our 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 32 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 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 If these actions do not correct the problem your monitor might need service See Lenovo Support Web site on page 32 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 46 e A wireless LAN problem on page 48 e A wireless WAN problem on page 48 e Bluetooth problem on page 48 Ethernet problems For Ethernet problems select your symptom from the following list e Your computer cannot connect to the ne
112. owing 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 other flat 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 80 Locate the internal speakers in the computer See Locating major FRUs and CRUs on page 70 Remove the rear I O assembly See Replacing the rear I O assembly on page 90 Note the internal speaker cable connection and cable routing Disconnect the internal speaker cable from the system board ona Aa 7 Remove the two screws that secure each internal speaker to the front bezel and then remove the internal speakers from the computer Figure 52 Removing the internal speakers Chapter 9 Replacing FRUs 111 8 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 are aligned with those in the front bezel Install the two screws to secure each of the new internal speakers to the front bezel Figure 53 Installing the internal speakers 9 Reconnect the internal speaker cables to the system board See Locating parts on the system boar
113. problems Hard disk drive problems id Keyboard mouse or pointing device problems T Dies a amp Monitor problems Networking problems Option problems Performance and lockup probleme Printer problems Serial port problems Software problems USB problems Diagnostics Lenovo Solution Centor Copyright Lenovo 2013 2014 aw wo o al 29 30 30 31 32 32 33 33 35 35 36 36 37 37 39 40 41 41 42 44 46 48 49 51 51 52 53 53 54 Chapter 6 Using the hai au program Starting the Setup Utility program Viewing and changing settings Using passwords Password considerations Power on password Administrator password ed Setting changing and deleting a Bass w rg Erasing lost or forgotten passwords clearing CMOS PE Poe ed Enabling or disabling a device Selecting a startup device UE Selecting a temporary startup device Selecting or changing the startup device sequence do ge de a to Enabling ErP compliance mode Changing the BIOS SIE before nstaling anew operating system E Exiting the Setup Utility program Chapter 7 Symptom to FRU Index Hard disk drive boot error Power supply problems Beep symptoms POST error codes er Miscellaneous error conditions Undetermined problems Chapter 8 Locations Locating connectors controls and indicators on the front of your computer Locating connectors on the rear of your computer
114. puter the polarity indicators 5 Close the mouse battery compartment cover and slide 6 Slide the power switch on the mouse to the On position it forward until it clicks into place and the LED light emitting diode is on 108 gt O Chapter 9 Replacing FRUs 125 Notes e The green LED indicates that the mouse is ready for use e The flashing amber LED indicates a low battery power level e Push the power switch to the off position when you are not using the mouse This extends the battery life e Disconnect the USB dongle from your computer and store it in the wireless mouse compartment or in the wireless keyboard compartment when not in use Completing the parts replacement After completing the installation or replacement for all parts you need to reinstall the computer cover and reconnect cables To reinstall the computer cover and reconnect cables 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 70 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 3 Lower and position the computer cover into place and then tighten the two screws FE to secure th
115. r See Lenovo Solution Center on page 54 If you need technical assistance see Lenovo Support Web site on page 32 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 Refer to Replacing the hard disk drive on page 82 e Ensure that the hard disk drive your computer starts from is listed as the first startup device in the Setup Utility program Refer to Selecting a startup device on page 57 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 Refer to Replacing the hard disk drive on page 82 If these actions do not correct the problem run the diagnostic program Lenovo Solution Center See Lenovo Solution Center on page 54 If you need technical assistance see Replacing the hard disk drive on page 82 Keyboard mouse or pointing device problems Select your symptom from the following list e All or some keys on the keyboard do not work on page 42 e The mouse or pointing device does not work on page 43 e The pointer on the screen does not move smoothly with the mouse on page 44 e The fingerprint reader does not work on
116. r 7 Symptom to FRU Index 63 Message Symptom FRU Action Incorrect memory size during POST Run the Memory tests Memory Module System Board Insert a Diskette icon appears with a known good System Board diagnostics diskette in the first 3 5 inch diskette drive Diskette Drive Cable Network Adapter Intensity or color varies from left to right of characters Display and color bars Video adapter if present 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 or illegible display 2 System Board Power on indicator or hard disk drive in use light not on but computer works correctly 2 System Board Printer problems 1 Printer 2 System Board 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 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 netw
117. r 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 from 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 gt Adjust screen resolution gt Advanced Settings Then click the Monitor tab and select a new refresh rate Chapter 5 Troubleshooting and diagnostics 45 On the Windows 8 or Windows 8 1 operating system open Control Panel and click Hardware and Sound Adjust screen resolution gt Advanced Settings Then click the Monitor tab and select a new refresh rate e See y
118. ra 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 dispositivos 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 coloque 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 PRECAUCI N 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
119. rd 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 board 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 59 Flash update procedures This section details how to flash update the BIOS Copyright Lenovo 2013
120. re E93z Hardware Maintenance Manual 7 Disconnect the power supply cable from the system board Remove the three screws El that secure the power supply assembly and then lift the power supply assembly off the computer Figure 32 Removing the power supply assembly Chapter 9 Replacing FRUs 95 8 Position the new power supply assembly on the chassis so that the three screw holes in the new power supply assembly are aligned with the corresponding holes in the chassis Install the three screws to secure the power supply assembly Figure 33 Installing the power supply assembly 96 ThinkCentre E93z Hardware Maintenance Manual 9 Reconnect the cable E and the cable EX Then install the screw to secure the cable El in place Figure 34 Connecting the power cables and securing the earth wire 10 Connect the power supply cable to the power connector on the system board See Locating parts on the system board on page 73 11 Reinstall the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Replacing the microprocessor fan Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 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 de
121. ris 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 Chapter 5 Troubleshooting and diagnostics 43 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 dirt oils and other contaminants on the ball inside the mouse Clean the mouse See Optical mouse on page 43 for instructions 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 solv
122. s This section lists the physical specifications for your computer Dimensions without stand e Touch models Width 534 mm 21 02 inches Height 386 mm 15 20 inches Depth 49 6 mm 1 95 inches e Non touch models Width 534 mm 21 02 inches Height 386 mm 15 20 inches Depth 48 5 mm 1 91 inches Weight without stand e Touch models Maximum configuration as shipped 7 4 kg 16 31 Ib e Non touch models Maximum configuration as shipped 6 6 kg 14 55 Ib Environment e Air temperature Operating 10 C to 35 C 50 F to 95 F Storage 20 C to 50 C 4 F to 122 F e Humidity Operating 20 to 80 non condensing Storage 10 to 90 non condensing e Altitude Operating 15 2 to 3048 m 50 to 10 000 ft Storage 15 2 to 10 668 m 50 to 35 000 ft Electrical input e Input voltage Low range Minimum 100 V ac Maximum 127 V ac Input frequency range 50 to 60 Hz High range Minimum 200 V ac Maximum 240 V ac Input frequency range 50 to 60 Hz Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely Depending on the Windows operating system preinstalled the programs might vary 30 ThinkCentre E93z Hardware Maintenance Manual 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 Lenov
123. s einschalten wenn Hinweise auf Feuer Wasser oder Geb udesch den vorliegen Die Verbindung zu den angeschlossenen Netzkabeln Telekommunikationssystemen Netzwerken und Modems ist vor dem ffnen des Geh uses zu unterbrechen sofern in den Installations und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind e Zum Installieren Transportieren und ffnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gem der folgenden Tabelle anschlie en und abziehen Schalten Sie alle Einheiten AUS Schalten Sie alle Einheiten AUS Schlie en Sie erst alle Kabel an die Einheiten an Ziehen Sie zuerst alle Netzkabel aus den Schlie en Sie die Signalkabel an die Buchsen an Netzsteckdosen Ziehen Sie die Signalkabel aus den Buchsen Schlie en Sie die Netzkabel an die Steckdose an Schalten Sie dis Einheit FIN 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 Enth lt das System ein Modul mit einer Lithiumbatterie dieses nur durch ein Modul desselben Typs und von demselben Hersteller ersetzen Die Batterie enth lt Lithium und kann bei unsachgem er Verwendung Handhabung oder Entsorgung explodieren Die Batterie nicht e mit Wasser in Ber hrung bringen 18 ThinkCentre E93z Hardware Maintenance Manual e
124. sor Do not touch the gold contacts on the bottom e Do not drop anything onto the microprocessor socket while it is exposed The socket pins must be kept as clean as possible Chapter 9 Replacing FRUs 101 11 12 Figure 40 Removing the microprocessor Ensure that the small handle is in the raised position and the microprocessor retainer is fully open Remove the protective cover that protects the gold contacts of the new microprocessor Note the orientation of the new microprocessor Hold the new microprocessor by its edges and align the notches J on it with the tabs Pin the microprocessor socket Then carefully lower the new microprocessor straight down into the microprocessor socket Note The small triangle EX on one corner of the new microprocessor is the microprocessor orientation indicator The new microprocessor is in the correct orientation when this indicator points to the beveled corner EJ of the microprocessor socket Figure 41 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 assembly See Replacing the heat sink assembly on page 99 102 ThinkCentre E93z Hardware Maintenance Manual Replacing the card reader Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1
125. ss Connections icon in the Windows notification area 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 Bluetooth problem 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 Control Panel Click Hardware and Sound gt Sound Select the Playback tab If you are using the Headset profile select Bluetooth Hands free Audio and click the Set Default button If you are using the AV profile select Stereo Audio and click the Set Default button 6 Click OK to close the Sound window a A O N Note Bluetooth is supported only on some computer models Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information 48 ThinkCentre E93z Hardware Maintenance Manual Select your symptom from the following list e An option that was just installed does not work on page 49 e An option that prev
126. stall the two screws to secure the new converter board to the main bracket Figure 49 Installing the converter board 8 Reinstall the optical drive See Replacing the optical drive on page 84 Installing or replacing a memory module Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to install or replace a memory module Your computer has two memory slots for installing or replacing double data rate 3 small outline dual inline memory modules DDR3 SODIMMs When installing or replacing a memory module use 1 GB 2 GB or 4 GB DDR3 SODIMMs in any combination up to a maximum of 8 GB of system memory 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 other flat 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 80 4 Remove the system board shield See Removing and reinstalling the system board shield on page 86 5 Locate the memory slots on the system bo
127. t 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 32 For step by step instructions on installing memory see Installing or replacing a memory module on page 109 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 54 for instructions If you need technical assistance see Lenovo Support Web site on page 32 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 cannot correct the problem have the computer serviced See Lenovo Support Web site on page 32 Serial port problems Use this information to troubleshoot the serial port and
128. talled 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 ThinkVantage Microsoft Windows and Windows Media are trademarks of the Microsoft group of companies Intel is a trademark of Intel Corporation in the United States other countries or both Linux is a trademark of Linus Torvalds in the United States other countries or both Other company product or service names may be trademarks or service marks of others 134 ThinkCentre E93z Hardware Maintenance Manual Index A administrator password 56 basic troubleshooting 35 battery replacing 106 BIOS settings changing 59 boot block recovery 131 C card reader replacing 103 changing password 56 startup device sequence 58 cleaning an optical mouse 43 CMOS clearing 56 Combo audio jack 69 components internal 70 computer cover removi
129. tenance Manual Chapter 9 Replacing FRUs Important Before you replace 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 This chapter provides instructions about removing or replacing major FRUs Not all FRUs are documented Removing and reinstalling the frame stand Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to remove and reinstall the frame stand Note The frame stand is available only in some models To remove and reinstall the frame 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 Disconnect all power cords from electrical outlets 3 Disconnect the power cord Input Output cables and any other cables that are connected to the computer 4 Place a soft clean towel or cloth on the desk or flat 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 O Copyright Lenovo 2013 2014 75 5 Remove the rubber block EE that protects the screw PJ Carefully loosen the screw EX that sec
130. the system board on page 73 10 Install the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Replacing the heat sink assembly Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 CAUTION The heat sink assembly might be very hot Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover This section provides instructions on how to replace the heat sink assembly To replace the heat sink 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 other flat 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 N Remove the computer cover See Removing the computer cover on page 80 Locate the heat sink assembly on the system board See Locating major FRUs and CRUs on page 70 Remove the system board shield See Removing and reinstalling the system board shield on page 86 ona fk WO Follow this sequence to remove the four screws that secure the heat sink assembly to the system board a Partially remove screw
131. the screen is against the surface and the cover is facing up 5 Remove the two rubber blocks J that protect the screws E Carefully loosen the two screws E that secure the monitor stand Then lift the monitor stand up to remove it from the computer Figure 7 Removing the monitor stand Chapter 9 Replacing FRUs 77 6 To reinstall the monitor stand insert the two tabs Jon the monitor stand into the corresponding holes in the chassis and lower down the monitor stand as shown Figure 8 Installing the monitor stand 7 Tighten the two screws to secure the monitor stand to the computer Then put the rubber blocks into the holes to protect the screws Removing and reinstalling the transformer stand Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to remove and reinstall the transformer stand Note The transformer stand is available only in some models To remove and reinstall the transformer 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 Disconnect all power cords from electrical outlets 3 Disconnect the power cord Input Output cables and any other cables that are connected to the computer 4
132. tion the VESA mount bracket onto the computer so that the screw holes in the VESA mount bracket are aligned with those in the computer Reinstall the three screws to secure the VESA mount bracket to the computer Figure 24 Installing the VESA mount bracket 8 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 Replacing the rear 1 0 assembly Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the rear I O assembly To replace 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 other flat 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 80 4 Locate the rear I O assembly See Locating major FRUs and CRUs on page 70 5 Remove the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 90 ThinkCentre E93z Hardware Maintenance Manual 6 Remove the two screws that secure the rear I O assemb
133. to three minutes During this time a warning message will be displayed and no action is needed from you 10 After the recovery session is completed there will be no video and your computer will automatically turn off 11 Repeat step 1 through step 5 12 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 13 Reconnect any cables that were disconnected and reinstall the PCI card if removed 14 Close the computer cover and reconnect any cables that were disconnected 15 Turn on the computer to restart the operating system Chapter 10 Additional service information 131 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 some monitors Advanced 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
134. to 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 E93z Hardware Maintenance Manual Algunos productos l ser tienen incorporado un diodo l ser de clase 3A o clase 3B Tenga en cuenta lo siguiente Cuando se abre queda expuesto a radiaci n l ser No mire directamente al rayo l ser ni siquiera con instrumentos pticos y evite exponerse directamente al rayo l ser A gt 18 kg 232 kg 255 kg PRECAUCI N Adopte procedimientos seguros al levantar el equipo AA PRECAUCI N 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 2 Cm 1 C0 m Chapter 2 Safety information 27 28 ThinkCentre E93z Hardware Maintenance Manual Chapter 3 General information This chapter provides general information that applies to all machine types supported by this publication Copyright Lenovo 2013 2014 29 Specification
135. twork on page 46 e The adapter stops working for no apparent reason on page 47 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 48 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 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 46 ThinkCentre E93z Hardware Maintenance Manual e The cable is installed properly e You are using the correct device driver On the Windows 7 operating system do the following 1 Click Start gt Control Panel 2 Click Hardware and Sound 3 Click Device Manager If you are prompted for an administrator password or confirmation type the password or provide confirmation 4 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 5 Click Upd
136. ty 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 the units e f an electrical accident occurs 4 ThinkCentre E93z Hardware Maintenance Manual Use caution do not become a victim yourself Switch off power Send another person to get medical aid 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
137. u ac i Tassen Donna ana DO eum o DO rem Do Do fw eso Ne i sa i MO E E NE E w Y Neo as E too N ooo Neo one Neo one Neo one Neo EMO e a DO ones E Cea fo CSS DO emesse RO rower spy assem IG emesse EI we Ne ne DE oam ne fregate came ml mw 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 72 ThinkCentre E93z Hardware Maintenance Manual Locating parts on the system board Figure 4 Locations of the parts and connectors on the system board on page 73 shows the locations of the parts and connectors on the system board E ge Vea es O O we Em A EE E O ps u O E O O N E E TER TE RE Figure 4 Locations of the parts and connectors on the system board Pl Integrated camera cable connector El LCD panel connector LVDS connector EI Memory sos Internal speaker cable connector EL HDMI and LAN cable connector Chapter 8 Locations 73 74 ThinkCentre E93z Hardware Main
138. umber and press Enter 8 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 9 Follow the instructions on the screen to complete the update After the update is completed remove the disc from the optical drive 10 Restart your computer and start the Setup Utility program See Starting the Setup Utility program on page 55 11 From the Setup Utility program main menu select Exit gt OS Optimized Default gt Enabled 12 Select Yes in the window displayed and press Enter to confirm your selection 13 Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program on page 59 To update flash the BIOS from a disc on other operating systems do the following 1 Turn off your computer 2 Repeatedly press and release F12 when turning on the computer When the Startup Device Menu window opens release F12 3 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 4 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 E
139. umentation that comes with the application or game for instructions on setting sound card settings e Ifthese actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 32 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 39 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 40 An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive Symptom An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive Actions 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 Ensure that the disc you are us
140. ures the frame stand Then lift the frame stand up to remove it from the computer Note The screw cannot be removed from the frame stand Figure 5 Removing the frame stand 6 To reinstall the frame stand insert the two tabs on the frame stand into the corresponding holes in the chassis and lower down the frame stand as shown Figure 6 Installing the frame stand 7 Tighten the screw to secure the frame stand to the computer Then put the rubber back into the hole to protect the screw Removing and reinstalling the monitor stand Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 76 ThinkCentre E93z Hardware Maintenance Manual This section provides instructions on how to remove and reinstall the monitor stand Note The monitor stand is available only in some models To remove and reinstall 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 Disconnect all power cords from electrical outlets 8 Disconnect the power cord Input Output cables and any other cables that are connected to the computer 4 Place a soft clean towel or cloth on the desk or flat surface Hold the sides of your computer and gently lay it down so that
141. ut 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 32 The monitor works when you turn on the computer but goes blank when you start some application programs Symptom The monitor 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 32 The image appears to be flickering Symptom The image appears to be flickering Actions e The monitor might be operating in a low refresh rate display mode Set the monito
142. ves 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 Mroancen 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 not view directly with optical instruments and avoid direct exposure to the beam gt 18 kg 37 lbs gt 32 kg 70 5 Ibs gt 55 kg 121 2 lbs 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 2 u 1 0 m AA 8 ThinkCentre E93z Hardware Maintenance Manual Ek Dial si CsI N ACB aa ga gal o A JE Jig lio Py a i N Clair bids gal dio gf Adna gi aus cli lenay A A Dial gi hai gh a si glad Y Agila 245 dde gag liti Gialli ag ml civ uagi Ina gni Od sli gS Z nda ai A Dil JLS Jia a gm Gar gt
143. vices 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 other flat 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 80 Locate the microprocessor fan in the computer See Locating major FRUs and CRUs on page 70 Remove the VESA mount bracket See Removing and reinstalling the VESA mount bracket on page 88 Note the routing of the microprocessor fan cable and then disconnect the microprocessor fan cable from the system board See Locating parts on the system board on page 73 Oona Aa Chapter 9 Replacing FRUs 97 7 Remove the three screws fj that secure the microprocessor fan to the main bracket Then lift the microprocessor fan off the main bracket Figure 35 Removing the microprocessor fan 8 Position the microprocessor fan onto the main bracket so that the screw holes in the microprocessor fan are aligned with those in the main bracket Reinstall the three screws to secure the microprocessor fan to the main bracket Figure 36 Installing the microprocessor fan 98 ThinkCentre E93z Hardware Maintenance Manual 9 Connect the cable of the new microprocessor fan to the system board See Locating parts on
144. wireless keyboard do the following 1 Take away your failing wireless keyboard 2 Remove the new wireless keyboard from the package 3 Install the keyboard by opening the battery compartment cover and installing two AAA batteries according to the polarity indicators Figure 70 Installing the keyboard batteries 4 Remove the USB dongle from the keyboard compartment or from the wireless mouse compartment and connect it to an available USB connectors on the computer See Replacing the wireless mouse on page 124 5 Close the compartment cover The keyboard is ready for use Replacing the wireless mouse To replace the wireless mouse do the following 1 Disconnect the USB dongle from your computer Then take away your failing wireless mouse 124 ThinkCentre E93z Hardware Maintenance Manual 2 Remove the new wireless mouse from the package 3 Remove the USB dongle from the compartment of the new wireless mouse or from the compartment of the new wireless keyboard 4 Connect the USB dongle to an available USB connector on your computer 5 Follow the instructions in the table below to install the batteries for the mouse 6 Switch on the power button on the bottom of the wireless mouse and then it is ready to use 1 Open the mouse battery compartment cover 2 Remove the USB dongle from the mouse 3 Connect the USB dongle to any USB connector on 4 Insert two AAA batteries into the mouse according to the com
145. y key to 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 61 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 Blank screen except for flashing cursor 1 System Board 2 Primary Hard Disk Drive 3 Hard Disk Drive Cable Chapte
146. 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 circuit 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 safe
147. z Hardware 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 other flat 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 80 Remove the system board shield See Removing and reinstalling the system board shield on page 86 Locate the battery on the system board See Locating major FRUs and CRUs on page 70 ona Pp O Remove the battery A Figure 46 Removing the battery 7 Install a new battery Figure 47 Installing a new battery 8 Reinstall the system board shield See Removing and reinstalling the system board shield on page 86 9 Reinstall the computer cover See Completing the parts replacement on page 126 10 Turn on the computer and all attached devices Note When you turn on the computer for the first time after replacing the battery an error message might be displayed This is normal after replacing the battery 11 Use the Setup Utility program to set the date time and any passwords See Chapter 6 Using the Setup Utility program on page 55 Replacing the

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