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Lenovo ThinkCentre M4350

1. AeA EM ERICH BE Sum Hg MCD Af SEX SR AM Cr VD PBB PBDE Eni E E X 9 O O O O Hk WERE X O O O o O Hen x 9 O O O Oo NTE X o O O O O Hip n HI x O O O O O SES x o O O O O HEN x O O O O O BER X O O O O O WARE Wi x O O O O O O Xe CHECA SEI UCET IUE AT E HT RES J 111363 2006 JV EIU BJ E ES DF X RNA BEA ABD EE E II BAR H BJ Britt HAS J 711363 2006 PERLE MUR ES enken BUG EE t A DA Op 12 330 EIA ee BA AREAL Fr LF BAR RRE HN EIER HE SIAL BARBRA AAEM Uu TDSC BRIA SAL ou vt FE FEN HERE PATRES BE Fi i br RR SS A G 0j RDC AURA EKER RA MA m BERI D FEED E Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment EEE T rkiye EEE Yonetmeligine Uygunluk Beyani Bu Lenovo r n T C evre ve Orman Bakanl n n Elektrik ve Elektronik Esyalarda Bazi Zararli Maddelerin Kullaniminin Sinirlandirilmasina Dair Y netmelik EEE direktiflerine uygundur EEE Yonetmeligine Uygundur Copyright Lenovo 2013 53 Ukraine RoHS Lum niaTBepaxyeMo LO npoaykuia JleHoBo BignoBigae BAMoraM HOPMaTUBHUX akriB YkpaiHM aki oOMexytorb BMICT HeOe3neuHux peuoBu
2. For power cord information and part numbers go to http www lenovo com powercordnotice Chapter 2 You and your computer 9 10 Lenovo M4350 User Guide Chapter 3 Security This chapter provides information about how to protect your computer from theft and unauthorized use Locking the computer cover Locking the computer cover helps prevent unauthorized people from gaining access to the inside of your computer Your computer comes with a padlock loop so that the computer cover cannot be removed when a padlock is installed lie lie WU ING E Figure 4 Installing a padlock O Copyright Lenovo 2013 11 Attaching an integrated cable lock An integrated cable lock sometimes referred to as the Kensington lock can be used to secure your computer to a desk table or other non permanent fixture The cable lock attaches to the integrated cable lock slot at the rear of your computer and is operated with a key The cable lock also locks the buttons used to open the computer cover This is the same type of lock used with many notebook computers You can order an integrated cable lock directly from Lenovo by searching for Kensington at http support lenovo com Figure 5 Integrated cable lock Using passwords You can set a variety of passwords through the Microsoft Windows operating system and through the BIOS of your compute
3. If this does not correct the problem continue with the next step 6 Use an antivirus program to see if your computer has been infected by a virus If the program detects a virus remove the virus Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software do the following before referring to the troubleshooting information 1 Remove the new hardware option or software If you must remove the computer cover to remove a hardware option make sure you review and follow the electrical safety information provided with your computer For your safety do not operate the computer with the cover removed 2 Run the diagnostic programs to ensure your computer is operating correctly 3 Reinstall the new hardware option or software following the manufacturer s instructions Select the problem your computer is experiencing from the following list e Audio problems on page 31 e CD problems on page 32 e DVD problems on page 33 e Intermittent problems on page 34 e Keyboard mouse or pointing device problems on page 34 e Monitor problems on page 35 e Networking problems on page 37 e Performance and lockup problems on page 39 e Printer problems on page 41 30 Lenovo M4350 User Guide e Serial port problems
4. Verify that no keys are stuck 29 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 5 Using the Setup Utility program on page 19 4 Go to the Troubleshooting on page 30 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 effects 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 e For Windows 8 Open Control Panel and then click System and Security gt System gt System Protection System Restore
5. on page 41 e USB problems on page 42 Audio problems Select your symptom from the following list e No audio in Windows on page 31 e An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive on page 31 e Sound comes from one external speaker only on page 31 e No audio in DOS applications or games on page 32 No audio in Windows Symptom No audio in Windows Actions e If you are using powered external speakers that have an On Off control verify that the On Off control is set to the On position and the speaker power cable is connected to a properly grounded functional ac electrical outlet e f your external speakers have a volume control verify that the volume control is not set too low Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Mute settings are not checked and none of the volume settings is set too low e 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 a
6. Hardware and Sound gt Adjust screen resolution Advanced Settings Then click the Monitor tab and select a new refresh rate e See your operating system documentation or help for further information on monitor settings 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 Networking problems The following are the most common networking problems Select your networking problem from the following list e Ethernet problems on page 37 e A wireless LAN problem on page 39 e A wireless WAN problem on page 39 e Bluetooth problem on page 39 Ethernet problems For Ethernet problems select your symptom from the following list e Your computer cannot connect to the network on page 37 e The adapter stops working for
7. Installation Repeatedly press and release the F2 key once turning on the computer until the Lenovo Rescue System opens then select Driver and Application Installation Follow the on screen prompts to install the Lenovo drivers and applications Click OK to start installing the Lenovo Driver and Application Installation software The system will restart After the system has restarted the drivers and application installation process will continue until it has completed 16 Lenovo M4350 User Guide Method 2 Manual Installation In the Windows system Select Driver and Application Installation from the Search charm After starting the procedure install the drivers and software manually by following the prompts Notes Do not install software which is already installed on the computer e Make sure that the Driver and Application Installation software has been automatically installed before starting the operating system The manual installation function can only be used after the software has been installed Chapter 4 Recovery information 17 18 Lenovo M4350 User Guide Chapter 5 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
8. Symptom A problem occurs only occasionally and is difficult to repeat Actions e Verify that all cables and cords are securely connected to the computer and attached devices e Verify that when the computer is on the fan grill is not blocked there is air flow around the grill and the fans are working If airflow is blocked or the fans are not working the computer might overheat e f SCSI devices are installed verify that the last external device in each SCSI chain is terminated correctly See your SCSI documentation 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 34 e The mouse or pointing device does not work on page 35 e The pointer on the screen does not move smoothly with the mouse on page 35 e The wireless keyboard does not work on page 35 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 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 To op
9. a grounded electrical outlet This is a safety feature Do not defeat this safety feature by trying to insert it into a non grounded outlet If you cannot insert the plug into the outlet contact an electrician for an approved outlet adapter or to replace the outlet with one that enables this safety feature Never overload an electrical outlet The overall system load should not exceed 80 percent of the branch circuit rating Consult an electrician for more information if you have questions about power loads and branch circuit ratings Be sure that the power outlet you are using is properly wired easily accessible and located close to the equipment Do not fully extend power cords in a way that will stress the cords Be sure that the power outlet provides the correct voltage and current for the product you are installing Carefully connect and disconnect the equipment from the electrical outlet External devices Do not connect or disconnect any external device cables other than Universal Serial Bus USB and 1394 cables while the computer power is on otherwise you might damage your computer To avoid possible damage to attached devices wait at least five seconds after the computer is shut down to disconnect external devices Heat and product ventilation Computers power adapters and many accessories can generate heat when turned on and when batteries are charging Always follow these basic precautions e Do not leave your compu
10. and completely plugged into receptacles Do not use any power adapter that shows corrosion at the ac input pins or shows signs of overheating Such as deformed plastic at the ac input or anywhere on the power adapter Do not use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to have been damaged in any way Extension cords and related devices Ensure that extension cords surge protectors uninterruptible power supplies and power strips that you use are rated to handle the electrical requirements of the product Never overload these devices If power strips are used the load should not exceed the power strip input rating Consult an electrician for more information if you have questions about power loads power requirements and input ratings Plugs and outlets If a receptacle power outlet that you intend to use with your computer equipment appears to be damaged or corroded do not use the outlet until it is replaced by a qualified electrician iV Lenovo M4350 User Guide Do not bend or modify the plug If the plug is damaged contact the manufacturer to obtain a replacement Do not share an electrical outlet with other home or commercial appliances that draw large amounts of electricity otherwise unstable voltage might damage your computer data or attached devices Some products are equipped with a three pronged plug This plug fits only into
11. make sure it is attached to a properly grounded electrical outlet Chapter 7 Troubleshooting and diagnostics 41 If the serial device has its own On Off switch make sure it is in the On position If the serial device has an Online switch make sure it is in the Online position If the serial device is a printer make sure paper is loaded correctly Verify that any software supplied with the serial device is correctly installed Refer to the documentation for the serial device option Make sure that the serial port adapter if you added one is properly installed and firmly seated USB problems Symptom The USB connectors cannot be accessed Actions 42 Make sure the USB cable is securely connected to the USB connector and to the USB device If the USB device has its own power cord make sure it is attached to a properly grounded electrical outlet If the USB device has its own On Off switch make sure it is in the On position If the USB device has an Online switch make sure it is in the Online position If the USB device is a printer make sure paper is loaded correctly Make sure any device drivers or other software supplied with the USB device is correctly installed Refer to the documentation for the USB device Reset the device by detaching and reattaching the USB connector Lenovo M4350 User Guide Appendix A Notices Lenovo may not offer the products services or features discussed in this document in all countr
12. of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for 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 gua
13. or a common name e Be significantly different from your previous passwords Power On Password When a Power On Password is set you are prompted to type a valid password each time the computer is turned on The computer cannot be used until the valid password is typed in Administrator Password Setting an Administrator Password deters unauthorized users from changing configuration settings If you are responsible for maintaining the configuration settings of several computers you might want to set an Administrator Password When an Administrator Password is set you are prompted to type a valid password each time you try to access the Setup Utility program The Setup Utility program cannot be accessed until a valid password is typed in If both the Power On Password and Administrator Password are set you can type either password However you must use your Administrator Password to change any configuration settings Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive When a Hard Disk Password is set you are prompted to type a valid password each time you try to access the hard disk drive Notes e After you set a Hard Disk Password your data on the hard disk drive is protected even if the hard disk drive is removed from one computer and installed in another e f the Hard Disk Password is forgotten there is no way to reset the password or recover data from the hard dis
14. panel monitor surface If you have a flat panel computer display that has a flexible film surface do the following to clean the special surface Wipe it gently with a soft dry cloth or blow on the screen to remove grit and other loose particles Then moisten a cloth with LCD cleaner and wipe the screen surface Many computer supply stores carry the special cleaning fluids for displays Use cleaning fluids developed for LCD displays only First apply the fluid to a lint free soft cloth then clean the LCD display Some computer supply stores carry pre moistened towelettes for LCD maintenance Cleaning a glass screen surface To clean a glass screen surface wipe it gently with a soft dry cloth or blow on the screen to remove grit and other loose particles Then use a soft cloth moistened with a nonabrasive liquid glass cleaner Good maintenance practices By performing a few good maintenance practices you can maintain good computer performance protect your data and be prepared in case of a computer failure Empty your recycle bin on a regular basis e Run the Windows Disk Defragmenter program occasionally to prevent performance problems caused by an excessive number of fragmented files e Clean out your Inbox Sent Items and Deleted Items folders in your e mail application on a regular basis e Make backup copies of critical data on removable media memory at regular intervals and store the removable media in a safe location The
15. program do the following 1 Make sure your computer is turned off 2 Repeatedly press and release the F1 key when turning on the computer When you hear multiple beeps or see a logo screen release the F1 key Note If a Power On Password or an Administrator Password has been set the Setup Utility program menu will not be displayed until you type the correct password For more information see Using passwords on page 19 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 Ente
16. section and the safety information in the Safety Warranty and Setup Guide that you received with this product Reading and understanding this safety information reduces the risk of personal injury and damage to your product If you no longer have a copy of the Safety Warranty and Setup Guide you can obtain a Portable Document Format PDF version from the Lenovo Support Web site at http support lenovo com The Lenovo Support Web site also provides the Safety Warranty and Setup Guide and this User Guide in additional languages Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation Only use a Service Provider who is approved to repair your particular product Note Some computer parts can be upgraded or replaced by the customer Upgrades typically are referred to as options Replacement parts approved for customer installation are referred to as Customer Replaceable Units or CRUs Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace CRUs You must closely follow all instructions when installing or replacing parts The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero Before you remove the covers from a product equipped with a power cord always make sure that the power is turned off and that the product is unplugged from any power sou
17. some period of computer inactivity on page 36 Chapter 7 Troubleshooting and diagnostics 35 e The monitor works when you turn on the computer but goes blank when you start some application programs on page 36 e The image appears to be flickering on page 36 e The image is discolored on page 37 Wrong characters appear on the screen Symptom Wrong characters appear on the screen Action Have the computer serviced The monitor works when you turn on the computer but goes blank after some period of computer inactivity Symptom The monitor works when you turn on the computer but goes blank after some period of computer inactivity Action The computer is probably set for energy savings with the power management feature If the power management feature is enabled disabling it or changing the settings might solve the problem 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 Make sure 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 The imag
18. 828 31428 RR Eu se n ZPS 2SRUSB AN E 8E ERES B48 Additional regulatory information For additional regulatory information refer to the Regulatory Notice shipped with your computer Depending on the configuration of your computer and the country or region where the computer was purchased you might have received additional printed regulatory notices All regulatory notices are available on the Lenovo Support Web site in electronic format To access electronic copies of the documentation go to http support lenovo com and click Guides amp Manuals Appendix B Regulatory information 47 48 Lenovo M4350 User Guide Appendix C WEEE and recycling statements Lenovo encourages owners of information technology IT equipment to responsibly recycle their equipment when it is no longer needed Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products For information on recycling Lenovo products go to http www lenovo com recycling Important WEEE information The WEEE marking on Lenovo products applies to countries with WEEE and e waste regulations for example European Directive 2002 96 EC India E Waste Management amp Handling Rules 2011 Appliances are labeled in accordance with local regulations concerning waste electrical and electronic equipment WEEE These regulations determine the framework for the return and recycling of used appliances as applicable within each geog
19. 9 to load the default settings and then press F10 to save and exit the Setup Utility program Chapter 5 Using the Setup Utility program 23 24 Lenovo M4350 User Guide Chapter 6 Preventing problems This chapter provides information that can help you avoid common problems and keep your computer running smoothly Keeping your computer current In some situations you may find it necessary to have the most current software programs device drivers or operating system This section explains how to get the latest updates for your computer Select any of the following topics e Getting the latest device drivers for your computer on page 25 e Updating your operating system on page 25 Getting the latest device drivers for your computer You can download and install updated device drivers from the Lenovo Web site by doing the following 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 Attention Do not download updated device drivers from the Windows Update Web site The device drivers provided on the Windows Web site have not been tested by Lenovo and using them might cause unexpected problems Obtain updated device drivers from Lenovo 1 Go to http support lenovo com Click Download amp Drivers Select the machine type of your computer from the machine type list Click
20. H India RoHS RoHS compliant as per E Waste Management amp Handling Rules 2011 54 Lenovo M4350 User Guide Appendix E China Energy Label EE BE RAR IRE BB ABLE MEANE RRRA A BEUENERNREAREREN MAXMNENE KENANHEFRIENS e OU SALE RMR Smart 1 WRB 28 48 sk gt LS LR DU Ee RTM RHMERMEAMASS MBit SENLSE IR EBRERSND IE AY FE Fu BE SA DH 77 Mo or Ic LE ES BE XX nmi CHINA ENERGY LABEL APSE E PE UE EE Bat SER EE kWh 000 0 Psion X SW rn ES BERRA www energylabel gov cn hig RARE GB 28380P 2012 Note F 122 ReMi RAD SIZ THA Sans MSR Kms Ae ERA SRS 1B b dE P nn _E h HRMS Z D Te DER FERNE tb n XE Rh ESA PJ http Avww energylabel gov cn 77 1X 48 amp iff 2 Wn ERG Pr SE JUES BJ CUTS SU P in Zo E PIER BS PRT IB S SE Vo BETE MRE VASE A BEIFNERREERERSMD gt Ei Es S Z JE ck s S n SF TE 189 BERNER SEB ALTI BEI mAAR ROA RAPP BEA N A REATI E RAV nn A DOSE DR BUTS HIPS EA EA A N NA H Ea S M RE HX AR R PS s REA Fl P Se CURE A AR EAER TE BE sk B P A ESA FRE BERE Me 3 X BE SIUER IA fbl E E SSIES mb ESL BE RUE TA DI http www energylabel gov cn Copyright Lenovo 2013 55 56 Lenovo M4350 User Guide Appendix F ENERGY STAR model information ENERGY STAR ENERGY STARS is a joint program of the U S Environmental Protection Agency and the U S Department of Energy aimed at saving money and protecting the environment through energy efficien
21. Utility program main menu select Power 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 e Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after a sudden loss of electricity To enable the after power loss feature do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 19 2 From the Setup Utility program main menu select Power After Power Loss and press Enter 3 Select Power On and press Enter 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit 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 f you want to save the new settings press F10 to save and exit the Setup Utility program 22 Lenovo M4350 User Guide 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 opens select Yes and then press Enter to exit the Setup Utility program e If you want to return to the default settings press F
22. al port EJ Microphone connector Ethernet connector Connector Description Audio line in connector Used to receive audio signals from an external audio device such as a stereo system When you attach an external audio device a cable is connected between the audio line out connector of the device and the audio line in connector of the computer Audio line out connector Used to send audio signals from the computer to external devices such as powered stereo speakers speakers with built in amplifiers headphones multimedia keyboards or the audio line in connector on a stereo system or other external recording device 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 Chapter 1 Product overview 3 Connector Description Microphone connector Used to attach a microphone to your computer when you want to record sound or if you use speech recognition software Serial port Used to attach an external modem a serial printer or other devices that use a 9 pin serial port USB connector Used to attach a device that requires a USB connector such as a USB keyboard a USB mouse a USB scanner or a USB printer If you have more than eight USB devices you can purchase a USB hub which you can use to connect additional USB devices VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA monitor conn
23. aster Pro or SoundBlaster emulation Refer to the documentation that comes with the application or game for instructions on setting sound card settings 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 32 e A CD or DVD does not work on page 32 e Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer on page 32 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 f 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 f you are using the Windows 7 operating system follow the action for A CD or DVD does not work on page 32 If this does not correct the problem follow the action for A CD or DVD does not work on page 32 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 Make sure that the disc you are using is clean To remove dust or fingerprints wipe the disc clean with a soft cloth from the center to the outside Wiping a d
24. blems Networking problems 5 Performance and lockup problems Printer problems Serial port problems USB problems 19 19 19 19 20 20 20 20 20 21 21 21 21 22 22 25 25 25 25 26 26 26 27 28 29 29 30 30 31 32 33 34 34 35 37 39 41 41 42 Appendix A Notices Trademarks Appendix B pecs information Export classification notice Television output notice Electronic emissions notices Federal Communications Commission Declaration of Conformity Additional regulatory information Appendix C WEEE and ASSE NS statements Important WEEE information Recycling information Recycling information for Brazil ii Lenovo M4350 User Guide 43 44 45 45 45 45 45 47 49 49 49 50 Battery recycling information for Taiwan 50 Battery recycling information for the European Uni n gt Se sm fno hae a ia Ren se ba ADO Appendix D Restriction of Hazardous Substances Directive ROHS 53 European Union RoHS 53 China RoHS 53 Turkish RoHS 2 2 2 D Ukraine ROHS 2 2 2 DA India RoHS 2 2 2 2 nn nn 54 Appendix E China Energy Label 55 Appendix F ENERGY STAR model information 57 Important safety information CAUTION Before using this manual be sure to read and understand all the related safety information for this product Refer to the information in this
25. cal mouse on page 27 Display screen on page 27 e Good maintenance practices on page 27 Basics Here are some basic points about keeping your computer functioning properly Keep your computer in a clean dry environment Make sure it rests on a flat steady surface Do not place items on top of the monitor or cover any of the vents in the monitor or computer These vents provide airflow to keep your computer from overheating e Keep food and drinks away from all parts of your computer Food particles and spills might make the keyboard and mouse stick and unusable Do not get the power switches or other controls wet Moisture can damage these parts and cause an electrical hazard Always disconnect a power cord by grasping the plug but not the cord Cleaning your computer It is a good practice to clean your computer periodically to protect the surfaces and ensure trouble free operation CAUTION Be sure to turn off the computer and monitor power switches before cleaning the computer and monitor screen Computer Use only mild cleaning solutions and a damp cloth to clean the painted surfaces of the computer Keyboard To clean your computer keyboard do the following 1 Apply some isopropyl rubbing alcohol to a soft dust free cloth 2 Wipe each keytop surface with the cloth Wipe the keys one by one if you wipe several keys at a time the cloth may hook onto an adjacent key and possibly damage it Make sure tha
26. ces Your hard disk drive automatically parks the read write head in a nondata area This prevents damage to the hard disk drive Unplug the power cords from electrical outlets Disconnect communication cables such as modem or network cables from the outlets first and then disconnect the other ends from the computer 6 Note where any remaining cables are attached to the computer then remove them 28 If you saved the original shipping cartons and packing materials use them to pack the units If you are using different cartons cushion the units to avoid damage Lenovo M4350 User Guide Chapter 7 Troubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic programs Basic troubleshooting The following table provides information to help you troubleshoot your computer problems Note If you cannot correct the problem have the computer serviced For a list of service and support telephone numbers refer to the Safety Warranty and Setup Guide that comes with your computer or go to the Lenovo Support Web site at http www lenovo com support phone See _ ES The computer does not start when you press the power switch The monitor screen is blank The keyboard does not work The mouse does not work The operating system does not start The computer beeps multiple times before the operating system starts Copyright Lenovo 2013 Verify that e T
27. cess and individual user settings Using and understanding firewalls A firewall can be hardware software or a combination of both depending on the level of security required Firewalls work on a set of rules to determine which inbound and outbound connections are authorized If your computer is preinstalled with a firewall program it helps protect against computer Internet security threats unauthorized access intrusions and Internet attacks It also protects your privacy For more information about how to use the firewall program refer to the help system of your firewall program Chapter 3 Security 13 14 Lenovo M4350 User Guide Chapter 4 Recovery information This chapter provides information about the recovery solutions provided by Lenovo e Recovery information for the Windows 8 operating system on page 15 e Using Rescue System on page 16 Recovery information for the Windows 8 operating system This section provides information about the recovery solutions provided on computers preinstalled with the Windows 8 operating system Refreshing your computer If your computer does not perform well and the problem might be caused by a recently installed program you can refresh your computer without losing your personal files or changing your settings Attention If you refresh your computer the programs that came with your computer and the programs that you installed from Windows Store will be reinstalled but a
28. chapter provides information about accessibility comfort and relocating your computer to other countries or regions Accessibility and comfort Good ergonomic practice is important to get the most from your personal computer and to avoid discomfort Arrange your workplace and the equipment you use to suit your individual needs and the kind of work that you perform In addition use healthy work habits to maximize your performance and comfort while using your computer The following topics provide information about arranging your work area setting up your computer equipment and establishing healthy work habits Lenovo is committed to providing people with disabilities greater access to information and technology As a result the following information provides ways to help users that have hearing vision and mobility limitations get the most out of their computer experience Assistive technologies enable users to access information in the most appropriate way Some of these technologies are already provided in your operating system others can be purchased through vendors or accessed through the World Wide Web http www lenovo com healthycomputing Arranging your workspace To get the most from your computer arrange both the equipment you use and your work area to suit your needs and the kind of work you do Your comfort is of foremost importance but light sources air circulation and the location of electrical outlets can also aff
29. ctors or by unauthorized changes or modifications to this equipment Unauthorized changes or modifications could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Responsible Party Lenovo United States Incorporated 1009 Think Place Building One Morrisville NC 27560 Phone Number 919 294 5900 O Copyright Lenovo 2013 45 lt Industry Canada Class B emission compliance statement This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada European Union Compliance to the Electromagnetic Compatibility Directive This product is in conformity with the protection requirements of EU Council Directive 2004 108 EC on the approximation of the laws of the Member States relating to electromagnetic compatibility Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non recommended modification of the product including the installation of option cards from other manufacturers This product has been tested and found to comply with the limits for Class B Information Technology Equipment according to European Standard EN 55022 The li
30. data used by the rescue system are saved in the service partition If the service partition is deleted or damaged by someone other than authorized Lenovo service personnel Lenovo will not be liable for any losses arising therefrom in any way OneKey Recovery OneKey Recovery is an easy to use application You can use it to restore your computer to the system default or to a previously backed up state Detailed Operation Procedure 1 Repeatedly press and release the F2 key once turning on the computer until the Lenovo Rescue System opens then select OneKey Recovery Note System Recovery will overwrite all of the data on the C drive To prevent loss of data be sure to back up relevant data before performing system recovery 2 Follow the on screen instructions to select the backup task you want to restore from and the disk where you want to install the operating system then press Next to start the restore 3 Please wait during the process of system recovery Do not interrupt the operation during the recovery process 4 After the system is recovered successfully the software will prompt you to restart the computer Restart the computer and start the operating system Driver and Application Installation The Driver and Application Installation function in the rescue system provides a way for the user to conveniently reinstall all of the Lenovo applications and drivers that were shipped with your Lenovo hardware Method 1 Automatic
31. e e Avoid the use of extension cords When possible plug the computer power cord directly into an electrical outlet e Keep power cords and cables neatly routed away from walkways and other areas where they might get kicked accidentally For more information about power cords see Power cords and power adapters on page iv 8 Lenovo M4350 User Guide Moving your computer to another country or region When you move your computer to another country or region you must take local electrical standards into consideration This section provides information on the following e Voltage selection switch on page 9 e Replacement power cords on page 9 Voltage selection switch Some computers are equipped with a voltage selection switch located near the power cord connection point on the computer and some computers do not have a voltage selection switch Before you install your computer or relocate your computer to another country or region you must be certain that you have matched your computer to the voltage available at your electrical outlet CAUTION You must know the voltage of the electrical connection outlet where your computer will be connected If you do not know the voltage contact your local electric company or refer to official Web sites or other literature for travelers to the country or region where you are located If your computer has a voltage selection switch you must set the switch to match the volta
32. e 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 monitor to the highest noninterlaced refresh rate supported by your monitor and the video controller in your computer Attention Using a resolution or refresh rate that is not supported by your monitor might damage it Check the documentation that comes with your monitor to verify the supported refresh rates e The monitor might be affected by interference from nearby equipment Magnetic fields around other devices such as transformers appliances fluorescent lights and other monitors might be causing the problem Move fluorescent desk lighting or any equipment that produces magnetic fields farther away 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 36 Lenovo M4350 User Guide On the Windows 8 operating system open Control Panel and click
33. e screen On the Windows 8 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 make sure that the correct device driver is installed The Wake on LAN feature is not working Symptom The Wake on LAN WOL feature is not working Actions e Make sure that WOL is enabled in the BIOS Setup Ut
34. ect the way you arrange your workspace Comfort Although no single working position is ideal for everyone here are a few guidelines to help you find a position that suits you best Sitting in the same position for a long time can cause fatigue The backrest and seat of your chair should adjust independently and provide good support The seat should have a curved front to relieve pressure on the thighs Adjust the seat so that your thighs are parallel to the floor and your feet are either flat on the floor or on a footrest When using the keyboard keep your forearms parallel to the floor and your wrists in a comfortable position Use a light touch on the keyboard and your hands and fingers relaxed Change the angle of the keyboard for maximum comfort by adjusting the position of the keyboard feet Copyright Lenovo 2013 7 Adjust the monitor so the top of the screen is at or slightly below eye level Place the monitor at a comfortable viewing distance usually 51 to 61 cm 20 to 24 inches and position it so you can view it without having to twist your body Also position other equipment you use regularly such as the telephone or a mouse within easy reach Glare and lighting Position the monitor to minimize glare and reflections from overhead lights windows and other light sources Reflected light from shiny surfaces can cause annoying reflections on your monitor screen Place the monitor at right angles to windows and othe
35. ector Locating parts on the system board Figure 3 System board part locations on page 4 shows the locations of the parts on the system board R a nn nn D Ber Uu FE 7 en m H Fa alle Es H Lae wea Figure 3 System board part locations 4 pin power connector Front USB connector 1 for connecting USB ports on the front bezel E Microprocessor EMA Clear CMOS Complementary Metal Oxide Semiconductor Recovery jumper El Microprocessor fan connector EE Front USB connector 2 for connecting an additional USB device El Memory slot 1 DIMM1 EM Battery El Memory slot 2 DIMM2 D Serial COM connector i Thermal sensor connector Ef Front audio connector 4 Lenovo M4350 User Guide 24 pin power connector EJ Power fan connector EJ SATA connectors 3 ET Front panel connector for connecting LED indicators and the power switch PCI Express x1 card slots 2 PCI Express x16 graphics card slot System fan connector Chapter 1 Product overview 5 6 Lenovo M4350 User Guide Chapter 2 You and your computer This
36. ecurity Locking the computer cover Attaching an integrated cable lock Using passwords BIOS passwords Windows passwords Using and understanding firewalls Chapter 4 Recovery information Recovery information for the Windows 8 operating system o ub m Using Rescue System Copyright Lenovo 2013 vi vi vi vii vii 0 0 0 o N o 11 11 12 12 12 18 18 15 15 16 Chapter 5 Using the bred N program Starting the Setup Utility program Viewing and changing settings Using passwords Password considerations Power On Password Administrator Password Hard Disk Password d Setting changing and deleting a password Enabling or disabling a device Selecting a startup device EN Selecting a temporary startup device Selecting or Sagna the startup device sequence PLE Enabling ErP compl rica iod Exiting the Setup Utility program Chapter 6 Preventing problems Keeping your computer current Getting the latest device drivers for your computer Updating your operating system Cleaning and maintenance Basics e a ev Cleaning your computer Good maintenance practices Moving your computer Chapter 7 Troubleshooting and diagnostics Basic troubleshooting Troubleshooting procedure Troubleshooting Audio problems CD problems DVD problems Intermittent problems ate dod Keyboard mouse or pointing device problems AMOR AT EE Monitor pro
37. en the Enhanced Performance Customization Keyboard program do one of the following On the Windows 7 operating system do the following 1 Click Start gt Control Panel 2 Click Hardware and Sound 3 Click Devices and Printers 4 Double click USB Enhanced Performance Keyboard The USB Enhanced Performance Keyboard Customization program starts On the Windows 8 operating system do the following 1 Open Control Panel 34 Lenovo M4350 User Guide 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 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 21 The pointer on the screen does no
38. enable or disable a USB device e Select ATA Drives Setup gt SATA Controller to enable or disable a SATA device Select the desired settings and press Enter Press F10 to save and exit the Setup Utility program See Exiting the Setup Utility program on page 22 Selecting a startup device If your computer does not start up from a device such as the disc or hard disk drive as expected do one of the following to select the startup device you want Selecting a temporary startup device Use this procedure to select a temporary startup device Note Not all discs and hard disk drives are bootable 1 2 3 Turn off your computer 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 Note Selecting a startup device from the Please select boot device window does not permanently change the startup sequence Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence do the following 1 2 Start the Setup Utility program See Starting the Setup Utility program on page 19 From the Setup Utility program main menu select Startup Chapter 5 Using the Setup Utility program 21 3 Select the devices for the Primary Startup Sequence the Automatic Startup Sequ
39. ence and the Error Startup Sequence Read the information displayed on the right side of the screen 4 Press F10 to save and exit the Setup Utility program See Exiting the Setup Utility program on page 22 Enabling ErP compliance mode You can enable the energy related products directive ErP compliance mode through the Power menu in the Setup Utility program to reduce the consumption of electricity when your computer is in standby or off mode To enable ErP compliance mode in the Setup Utility program do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 19 2 From the Setup Utility program main menu select Power gt Enhanced Power Saving Mode and press Enter Select Enabled and press Enter From the Power menu select Automatic Power On and press Enter Select Wake on Lan and press Enter Select Disabled and press Enter oo Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Note When ErP compliance mode is enabled you can wake up your computer by doing one of the following e Pressing the power switch e Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time To enable the wake up on alarm feature do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 19 2 From the Setup
40. equently For your safety and to maintain optimum computer performance always follow these basic precautions with your desktop computer e Keep the cover closed whenever the computer is plugged in e Regularly inspect the outside of the computer for dust accumulation Copyright Lenovo 2013 v e Remove dust from vents and any perforations in the bezel More frequent cleanings might be required for computers in dusty or high traffic areas Do not restrict or block any ventilation openings Do not store or operate your computer inside furniture as this might increase the risk of overheating e Airflow temperatures into the computer should not exceed 35 C 95 F Do not install air filtration devices They may interfere with proper cooling Operating environment The optimal environment in which to use your computer is 10 C 35 C 60 F 95 F with humidity ranging between 3596 and 80 If your computer is stored or transported in temperatures less than 10 C 50 F allow the cold computer to rise slowly to an optimal operating temperature of 10 C 35 C 50 F 95 F before use This process could take two hours in extreme conditions Failure to allow your computer to rise to an optimal operating temperature before use could result in irreparable damage to your computer If possible place your computer in a well ventilated and dry area without direct exposure to sunshine Keep electrical appliances such as an electric fan radi
41. frequency of making backup copies depends on how critical the data is to you or your business Lenovo makes a number of removable media storage devices available as options such as CD RW drives and recordable DVD drives e Back up your entire hard disk drive on a regular basis Chapter 6 Preventing problems 27 If you are using the Windows Vista operating system use or schedule System Restore to take a system snapshot periodically Note Always take a snapshot before installing new device drivers updating software or installing new software Keep your computer software up to date See Keeping your computer current on page 25 for more information Keep a log book Entries might include major software or hardware changes device driver updates intermittent problems and what you did to resolve them and any minor issues you might have experienced A log book can help you or a Lenovo technician determine if a problem is related to change in hardware change in software or some other action that might have taken place Moving your computer Take the following precautions before moving your computer 1 2 3 Back up all files and data from the hard disk drive There are a variety of backup programs available commercially Your operating system also might have a backup program that you can use Remove all media diskettes compact discs tapes and so on from the drives Turn off the computer and all attached devi
42. g laut dem Deutschen Gesetz ber die elektromagnetische Vertraglichkeit von Betriebsmitteln EMVG vom 20 Juli 2007 fr her Gesetz ber die elektromagnetische Vertraglichkeit von Ger ten bzw der EMV EG Richtlinie 2004 108 EC fr her 89 336 EWG f r Ger te der Klasse B Dieses Ger t ist berechtigt in bereinstimmung mit dem Deutschen EMVG das EG Konformit tszeichen CE zu f hren Verantwortlich f r die Konformit tserkl rung nach Paragraf 5 des EMVG ist die Lenovo Deutschland GmbH Gropiusplatz 10 D 70563 Stuttgart 46 Lenovo M4350 User Guide Informationen in Hinsicht EMVG Paragraf 4 Abs 1 4 Das Ger t erf llt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B Korea Class B compliance statement 8a 211088 S se x Ol IIE 2H88 BS AXNIASDIEN SE IAIN ASSES 2 8 3402 SH DE AAN ASS ae Japan VCCI Class B compliance statement CORB Q7ABRHRHRECT CORE NEA TEATS EXAWELTUETIN LOKENTIAPTLEISIRFRCERLTE R NDE ZEBERBIERLILENSURT FUR BLAS CE TIEL UMW RMUELTREW VCCI B Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase AADEKENN 20A AF OMBICNT SM RE RR Bae ERA JIS C 61000 3 2 Am Lenovo product service information for Taiwan BE Lenovo mR AATF TRI REI ES BIB AR 40 8 DR 2 6 38 LE BIT SERSRER ask tZ ARASH 0800 000 702 Keyboard and mouse compliance statement for Taiwan ZEE AE BJ CES 46
43. ge available at your electrical outlet Setting the voltage selection switch incorrectly will cause the computer to malfunction and might cause permanent damage to the computer Do not connect the computer to an electrical outlet until you have verified that the voltage selection switch setting matches the voltage available at the electrical outlets If your computer does not have a voltage selection switch inspect the voltage rating label on the bottom of the computer and note the following e If the voltage rating label shows a range of either 100 127 V or 200 240 V you must ensure that the voltage provided at the electrical outlet matches the voltage rating on the computer label If it does not match do not attempt to connect the computer to the electrical outlet unless an external device such as a voltage converting transformer is used e If the voltage rating label shows a dual range of 100 127 V and 200 240 V this signifies that the computer is suitable for worldwide operation and the computer will automatically adjust to the voltage at the electrical outlet regardless of the country or region where the computer is being connected Replacement power cords If you relocate your computer to a country or region that uses an electrical outlet style different from the type you are currently using you will have to purchase either electrical plug adapters or new power cords You can order power cords directly from Lenovo
44. h and then wipe the computer surfaces Copyright Lenovo 2013 Vii viii Lenovo M4350 User Guide Chapter 1 Product overview This chapter provides information about the computer specifications locations of connectors and parts on the system board Specifications This section lists the specifications for your computer Preinstalled operating system Your computer is preinstalled with one of the following operating systems e Microsoft Windows 8 operating system e DOS Environment e Air temperature Operating 10 C to 35 C 50 F to 95 F Storage in original shipping package 40 C to 60 C 40 F to 140 F Storage without package 10 C to 60 C 14 F to 140 F Humidity Operating 20 to 80 non condensing Non operating 20 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 Voltage selection switch setting 115 V ac High range Minimum 200 V ac Maximum 240 V ac Input frequency range 50 to 60 Hz Voltage selection switch setting 230 V ac Locations This section provides information to help you locate the connectors on the front and rear of your computer and parts on the system board Copyright Lenovo 2013 1 Locating connectors controls and indicators on the front of your co
45. hapter 7 Troubleshooting and diagnostics 39 The Windows operating system will slow down and might produce errors if the hard disk drive gets too full To check the amount of free space on the Windows 7 operating system do the following 1 Click Start Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To check the amount of free space on the Windows 8 operating system do the following 1 Open the Windows Explorer and click Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To free up disk space do any of the following Procedure 1 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open the Windows Explorer and click Computer 2 Right click your C drive entry and then click Properties 3 Click Disk Cleanup 4 A list of unnecessary file categories is displayed Select each file category you want to delete and then click OK Procedure 2 1 Open Control Panel 2 Click Programs 3 Click Turn Windows features on or off 4 A list of optional Windows components is displayed Follow the instructions on the screen e Procedure 3 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open the Windows Explorer and click Computer Right click your C drive entry and then click Properties Click Disk C
46. he power cord is correctly connected to the rear of the computer and to a working electrical outlet If your computer has a secondary power switch on the rear of the computer make sure that it is switched on The power indicator on the front of the computer is on The computer voltage matches the voltage available at the electrical outlet for your country or region 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 Verify that e The computer is turned on The keyboard is securely connected to a USB connector on the computer e No keys are stuck Verify that e The computer is turned on The mouse is securely connected to a USB connector on the computer The mouse is clean Refer to Optical mouse on page 27 for further information Verify that 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 21
47. ies Consult your local Lenovo representative for information on the products and services currently available in your area Any reference to a Lenovo product program or service is not intended to state or imply that only that Lenovo product program or service may be used Any functionally equivalent product program or service that does not infringe any Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to Lenovo United States Inc 1009 Think Place Building One Morrisville NC 27560 U S A Attention Lenovo Director of Licensing LENOVO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some 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
48. ility program f it is check with your LAN administrator for the necessary settings If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur Symptom If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur Actions e Use Category 5 wiring and make sure that the network cable is securely connected Connect to a 1000 BASE T hub switch not 1000 BASE X 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 38 Lenovo M4350 User Guide Actions Try another cable e Make sure that the link partner is set to auto negotiate Make sure that the switch is 802 3ab compliant gigabit over copper A wireless LAN problem Symptom You cannot connect using the built in wireless networking card Actions Make sure that your wireless LAN driver is the latest version Check the Web site and verify the driver version supported by Access Connections is the latest documented in the readme file Make sure that your computer is within range of a wireless access point Make sure that the wireless radio is enabled by double clicking the Access Connections icon in the Windows notification area Check Ne
49. isc in a circular motion might cause loss of data e Verify that the disc you are using is not scratched or damaged Try inserting another disc that you know is good If you cannot read from a known good disc you might have a problem with your CD or DVD drive or the cabling to your CD or DVD drive Make sure that the power cable and signal cable are securely connected to the drive Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer Symptom Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer 32 Lenovo M4350 User Guide Action Make sure that the CD or DVD drive is in the startup sequence before the hard disk drive Refer to your Selecting or changing the startup device sequence on page 21 for information on viewing and changing the startup sequence Note that on some models the startup sequence is permanently set and cannot be changed DVD problems Select your symptom from the following list e Black screen instead of DVD video on page 33 e DVD movie will not play on page 33 e No audio or intermittent audio while playing DVD movie on page 33 e Playback is very slow or choppy on page 33 e Invalid disc or no disc found message on page 34 Black screen instead of DVD video Symptom Black screen instead of DVD video Actions e Restart the DVD player program Close any open files
50. k drive Setting changing and deleting a password To set change or delete a password do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 19 20 Lenovo M4350 User Guide 2 3 4 From the Setup Utility program main menu select Security Depending on the password type select Set Power On Password Set Administrator Password or Hard Disk Password Follow the instructions on the right side of the screen to set change or delete a password Note A password can be any combination of up to 64 alphabetic and numeric characters For more information see Password considerations on page 20 Enabling or disabling a device This section provides information on how to enable or disable user access to the following devices USB Setup Use this option to enable or disable a USB connector When a USB connector is disabled the device connected to the USB connector cannot be used SATA Controller When this feature is set to Disable all devices connected to the SATA connectors such as hard disk drives or the optical drive are disabled and cannot be accessed To enable or disable a device do the following 1 2 3 Start the Setup Utility program See Starting the Setup Utility program on page 19 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
51. leanup Click Clean up system files Click the More Options tab In the Programs and Features area click the Clean up button N O9 oc W nm A list of installed programs is displayed Select the program that you want to remove Click Uninstall Change Clean out your Inbox Sent Items and Deleted Items folders from your e mail application The folder names and procedures vary depending on your e mail application If you need assistance see the help system for your e mail application Excessive number of fragmented files Symptom Excessive number of fragmented files Action Run the Windows Disk Defragmenter program Note Depending on the size of the hard disk drive and amount of data currently stored on the hard disk drive the disk defragmentation process might take up to several hours to complete On the Windows 7 operating system do the following 40 Lenovo M4350 User Guide 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 Wn A Click Defragment Now again to start a disk defragmentation process On the Windows 8 operating system do the following 1 Close any programs that are currently running and close any open windows Open the Windows Explorer and click Computer Right click your C drive entry and then click P
52. lenovo Lenovo M4350 User Guide Machine Types 90AG and 10154 Note Before using this information and the product it supports be sure to read and understand the Important safety information on page iii and Appendix A Notices on page 43 First Edition August 2013 Copyright Lenovo 2013 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Contents Important safety information Service and upgrades Static electricity prevention Power cords and power adapters Extension cords and related devices Plugs and outlets External devices iex Heat and product ventilation Operating environment Modem safety information Laser compliance statement Power supply statement Cleaning and maintenance Chapter 1 Product overview Specifications Locations Locating connectors Contes and indicators on the front of your computer Locating connectors on the rear of your computer Locating parts on the auge SH Chapter 2 You and your computer Accessibility and comfort Arranging your workspace Comfort Glare and lighting Air circulation Electrical outlets and Sable enote Moving your computer to another country or region Voltage Selection autel Replacement power cords Chapter 3 S
53. ll other programs will be removed To refresh your computer do the following 1 Move the cursor to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings General 2 In the Refresh your PC without affecting your files section click Get started Resetting your computer to the factory default settings You can reset your computer to the factory default settings Resetting the computer will reinstall the operating system and reinstall all the programs and settings that came with your computer Attention If you reset your computer all your personal files and settings will be deleted To avoid data loss make a backup copy of all the data that you want to keep To reset your computer do the following 1 Move the cursor to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings gt General 2 In the Remove everything and reinstall Windows section click Get started Advanced startup options Advanced startup options enable you to change the startup settings of your Windows operating system start the computer from an external device or restore the Windows operating system from a system image To use the advanced startup options do the following 1 Move the cursor to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings General 2 In the Advanced
54. mits for Class B equipment were derived for typical residential environments to provide reasonable protection against interference with licensed communication devices C German Class B compliance statement Deutschsprachiger EU Hinweis Hinweis f r Gerate der Klasse B EU Richtlinie zur Elektromagnetischen Vertraglichkeit Dieses Produkt entspricht den Schutzanforderungen der EU Richtlinie 2004 108 EG fr her 89 336 EWG zur Angleichung der Rechtsvorschriften ber die elektromagnetische Vertr glichkeit in den EU Mitgliedsstaaten und h lt die Grenzwerte der EN 55022 Klasse B ein Um dieses sicherzustellen sind die Ger te wie in den Handb chern beschrieben zu installieren und zu betreiben Des Weiteren d rfen auch nur von der Lenovo empfohlene Kabel angeschlossen werden Lenovo bernimmt keine Verantwortung f r die Einhaltung der Schutzanforderungen wenn das Produkt ohne Zustimmung der Lenovo ver ndert bzw wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung der Lenovo gesteckt eingebaut werden Deutschland Einhaltung des Gesetzes ber die elektromagnetische Vertraglichkeit von Betriebsmitteln Dieses Produkt entspricht dem Gesetz ber die elektromagnetische Vertr glichkeit von Betriebsmitteln EMVG fr her Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten Dies ist die Umsetzung der EU Richtlinie 2004 108 EG fruher 89 336 EWG in der Bundesrepublik Deutschland Zulassungsbescheinigun
55. mputer Figure 1 Front connector control and indicator locations on page 2 shows the locations of the connectors controls and indicators on the front of your computer Figure 1 Front connector control and indicator locations Hard disk drive activity indicator H USB 2 0 connector B Power switch Microphone connector El Power indicator Headphone connector El Optical drive eject close button E USB 2 0 connector 2 Lenovo M4350 User Guide Locating connectors on the rear of your computer Figure 2 Rear connector locations on page 3 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 gees pes Figure 2 Rear connector locations El Voltage selection switch available on some fj Audio line out connector models E Power cord connector Audio line in connector EJ PS 2 mouse connector PCI Express x16 graphics card slot ER PS 2 keyboard connector PCI Express x1 card slots 2 H Serial port Integrated cable lock Kensington lock slot EVGA monitor connector Padlock loop USB connectors 4 Optional seri
56. no apparent reason on page 38 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 38 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 38 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 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 Chapter 7 Troubleshooting and diagnostics 37 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 th
57. o high powered speakers air conditioner and microwave oven away from your computer because the strong magnetic fields generated by these appliances can damage the monitor and data on the hard disk drive Do not place any beverages on top of or beside the computer or other attached devices If liquid is spilled on or in the computer or an attached device a short circuit or other damage might occur Do not eat or smoke over your keyboard Particles that fall into your keyboard can cause damage Modem safety information CAUTION To reduce the risk of fire use only No 26 AWG or larger for example No 24 AWG telecommunication line cord listed by Underwriters Laboratories UL or certified by the Canadian Standards Association CSA To reduce the risk of fire electrical shock or injury when using telephone equipment always follow basic safety precautions such as Never install telephone wiring during a lightning storm e Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning e Do not use the telephone to report a gas leak in the vicinity of
58. of Resources the collecting and recycling of home used computers and monitors by the manufacturer was begun on October 1 2003 This service is provided free of charge for home used computers sold after October 1 2003 For details visit the Lenovo Web site at http www lenovo com recycling japan Disposing of Lenovo computer components Copyright Lenovo 2013 49 Some Lenovo computer products sold in Japan may have components that contain heavy metals or other environmental sensitive substances To properly dispose of disused components such as a printed circuit board or drive use the methods described above for collecting and recycling a disused computer or monitor Disposing of disused lithium batteries from Lenovo computers A button shaped lithium battery is installed on the system board of your Lenovo computer to provide power to the computer clock while the computer is off or disconnected from the main power source If you want to replace it with a new one contact your place of purchase or ask for a repair service provided by Lenovo If you have replaced it by yourself and want to dispose of the disused lithium battery insulate it with vinyl tape contact your place of purchase and follow their instructions If you use a Lenovo computer at home and need to dispose of a lithium battery you must comply with local ordinances and regulations Recycling information for Brazil Declarac es de Reciclagem no Brasil Descarte de um P
59. possible remove the static sensitive part from the static protective packaging and install the part without setting it down When this is not possible place the static protective packaging on a smooth level surface and place the part on it e Do not place the part on the computer cover or other metal surface Power cords and power adapters Use only the power cords and power adapters supplied by the product manufacturer The power cords shall be safety approved For Germany it shall be HO5VV F 3G 0 75 mm or better For other countries the suitable types shall be used accordingly Never wrap a power cord around a power adapter or other object Doing so can stress the cord in ways that can cause the cord to fray crack or crimp This can present a safety hazard Always route power cords so that they will not be walked on tripped over or pinched by objects Protect power cord and power adapters from liquids For instance do not leave your power cord or power adapter near sinks tubs toilets or on floors that are cleaned with liquid cleansers Liquids can cause a short circuit particularly if the power cord or power adapter has been stressed by misuse Liquids also can cause gradual corrosion of power cord terminals and or the connector terminals on a power adapter which can eventually result in overheating Always connect power cords and signal cables in the correct order and ensure that all power cord connectors are securely
60. r light sources when possible Reduce overhead lighting if necessary by turning off lights or using lower wattage bulbs If you install the monitor near a window use curtains or blinds to block the sunlight You can adjust the brightness and contrast controls on the monitor as the room lighting changes throughout the day Where it is impossible to avoid reflections or to adjust the lighting an antiglare filter placed over the screen might be helpful However these filters might affect the clarity of the image on the screen try them only after you have exhausted other methods of reducing glare Dust buildup compounds problems associated with glare Remember to clean your monitor screen periodically using a soft cloth as directed in your monitor documentation Air circulation Your computer and monitor produce heat The computer has a fan that pulls in fresh air and forces out hot air The monitor lets hot air escape through vents Blocking the air vents can cause overheating which might result in a malfunction or damage Place the computer and monitor so that nothing blocks the air vents usually 51 mm 2 inches of air space is sufficient Also make sure the vented air is not blowing on people Electrical outlets and cable lengths The location of electrical outlets the length of power cords and cables that connect to the monitor printer and other devices might determine the final placement of your computer When arranging your workspac
61. r to help deter unauthorized use of your computer BIOS passwords You can use the BIOS Setup Utility program to set passwords to prevent unauthorized access to your computer and data The following types of passwords are available e 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 For more information see Power On Password on page 20 e Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive When a Hard Disk Password is set you are prompted to type a valid password each time you try to access the hard disk drive For more information see Hard Disk Password on page 20 12 Lenovo M4350 User Guide e 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 For more information see Administrator Password on page 20 You do not have to set any passwords to use your computer However using passwords improves computing security Windows passwords Depending on your version of the Windows operating system you can use passwords for a variety of features including controlling login access access to shared resources network ac
62. r when prompted to confirm the exit Viewing and changing settings The Setup Utility program menu lists various items about the system configuration To view or change settings start the Setup Utility program See Starting the Setup Utility program on page 19 Then follow the instructions on the screen You can use either the keyboard or the mouse to navigate through BIOS menu choices The keys used to perform various tasks are displayed at the bottom of each screen Using passwords By using the Setup Utility program you can set passwords to prevent unauthorized access to your computer and data The following types of passwords are available e Power On Password Copyright Lenovo 2013 19 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 Contain at least one alphabetic character and one numeric character e Setup Utility program and hard disk drive passwords are not case sensitive Not be your name or your user name Not be a common word
63. rantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Copyright Lenovo 2013 43 Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Lenovo The Lenovo logo Microsoft and Windows are trademarks of the Microsoft group of companies Other company product or service names may be trademarks or service marks of others 44 Lenovo M4350 User Guide Appendix B Regulatory information Export classification notice This product is subject to the United States Export Administration Regulations EAR and has an Export Classification Control Number ECCN of 4A994 b It can be re exported except to any of the embargoed countries in the EAR E1 country list Television output notice The following notice applies to models that have the factory installed television output feature This product incorporates copyright protection technology that is protected by method claims of certain U S patents and other intellectual property rights owned by Macrovision Corporation and other rights owners Use of this copyright protection technology must be authorized by Macrovision Corporation and is intended for home and other limited viewing uses only unless otherwise authorized b
64. raphy This label is applied to various products to indicate that the product is not to be thrown away but rather put in the established collection systems for reclaiming these end of life products Users of electrical and electronic equipment EEE with the WEEE marking must not dispose of end of life EEE as unsorted municipal waste but use the collection framework available to them for the return recycle and recovery of WEEE and to minimize any potential effects of EEE on the environment and human health due to the presence of hazardous substances For additional WEEE information go to http www lenovo com recycling Recycling information Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company you must do so in accordance with the Law for Promotion of Effective Utilization of Resources Computers and monitors are categorized as industrial waste and should be properly disposed of by an industrial waste disposal contractor certified by a local government In accordance with the Law for Promotion of Effective Utilization of Resources Lenovo Japan provides through its PC Collecting and Recycling Services for the collecting reuse and recycling of disused computers and monitors For details visit the Lenovo Web site at http www lenovo com recycling japan Pursuant to the Law for Promotion of Effective Utilization
65. rce Although there are no moving parts in your computer after the power cord has been disconnected the following warnings are required for your safety CAUTION Hazardous moving parts Keep fingers and other body parts away CAUTION Before replacing any CRUs turn off the computer and wait three to five minutes to let the computer cool before opening the cover Static electricity prevention Static electricity although harmless to you can seriously damage computer components and options Improper handling of static sensitive parts can cause damage to the part When you unpack an option or CRU do not open the static protective package containing the part until the instructions direct you to install it Copyright Lenovo 2013 iii When you handle options or CRUs or perform any work inside the computer take the following precautions to avoid static electricity damage e Limit your movement Movement can cause static electricity to build up around you e Always handle components carefully Handle adapters memory modules and other circuit boards by the edges Never touch exposed circuitry e Prevent others from touching components e When you install a static sensitive option or CRU touch the static protective package containing the part to a metal expansion slot cover or other unpainted metal surface on the computer for at least two seconds This reduces static electricity in the package and your body e When
66. roduto Lenovo Fora de Uso Equipamentos el tricos e eletr nicos nao devem ser descartados em lixo comum mas enviados pontos de coleta autorizados pelo fabricante do produto para que sejam encaminhados e processados por empresas especializadas no manuseio de residuos industriais devidamente certificadas pelos orgaos ambientais de acordo com a legisla o local A Lenovo possui um canal espec fico para auxili lo no descarte desses produtos Caso voc possua um produto Lenovo em situa o de descarte ligue para o nosso SAC ou encaminhe um e mail para reciclar lenovo com informando o modelo n mero de s rie e cidade a fim de enviarmos as instru es para o correto descarte do seu produto Lenovo Battery recycling information for Taiwan BE FE ah Fi n UK Battery recycling information for the European Union EU Notice This mark applies only to countries within the European Union EU 50 Lenovo M4350 User Guide Batteries or packaging for batteries are labeled in accordance with European Directive 2006 66 EC concerning batteries and accumulators and waste batteries and accumulators The Directive determines the framework for the return and recycling of used batteries and accumulators as applicable throughout the European Union This label is applied to various batteries to indicate that the battery is not to be thrown away but rather reclaimed upon end of life per this Directive In accordance with the European Direc
67. roperties Click the Tools tab Click Optimize OOA CQ DY Click Optimize again to start a disk defragmentation process Insufficient memory Symptom Insufficient memory In general the more memory that is installed the better the Windows operating system runs Action Install additional memory 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 5 Using the Setup Utility program on page 19 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 Serial port problems Use this information to troubleshoot the serial port and devices attached to the serial port Symptom Serial port cannot be accessed Actions Make sure the serial cable is securely connected to the serial port on the computer and to the serial device If the serial device has its own power cord
68. startup section click Restart now gt Troubleshoot gt Advanced options 3 Restart your computer following the instructions on the screen For more details about the recovery solutions provided on computers preinstalled with the Windows 8 operating system refer to the help information system of the Windows 8 operating system O Copyright Lenovo 2013 15 Using Rescue System Attention Using OneKey Recovery will result in loss of data Notes e You can restore the C drive of the computer to factory default settings or to the last system backup status using OneKey Recovery If you do this all of the existing data on drive C will be lost but the content and format of the other partitions of the hard disk drive will remain unchanged e If you want to install an operating system and back it up with OneKey Recovery you must format the C partition in NTFS format and install the operating system on the C partition Otherwise the OneKey Recovery system cannot run Note about the service partition The files and relevant data used by the rescue system are saved in the service partition Deleting this partition will make the rescue system unusable For more detailed information see the following instructions From the Search charm select Apps gt Control Panel gt Administrative Tools gt Computer Management Disk Management you can see the service partition which must not be deleted Note The recovery files and relevant
69. t 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 27 for instructions The wireless keyboard does not work Symptom The wireless keyboard does not work Action If the Transceiver Communications LED is on and the wireless Keyboard does not work restart your computer If restarting your computer does not solve the problem verify that the following conditions are met e The batteries are properly installed e The batteries still retain their current e The wireless Keyboard is located less than ten meters away from the transceiver e The transceiver is fully installed Action If the Transceiver Communications LED is not on reconnect the transceiver and the keyboard 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 36 e The monitor works when you turn on the computer but goes blank after
70. t no liquid drips onto or between the keys 3 To remove any crumbs or dust from beneath the keys you can use a camera blower with a brush or cool air from a hair dryer Note Avoid spraying cleaner directly onto the display or the keyboard 26 Lenovo M4350 User Guide Optical mouse This section provides instructions on how to clean an optical mouse An optical mouse uses a light emitting diode LED and an optical sensor to navigate the pointer If the pointer on the screen does not move smoothly with the optical mouse you might need to clean the mouse To clean an optical mouse do the following 1 Turn off your computer 2 Disconnect the mouse cable from the computer 3 Turn the mouse upside down to check the lens a If there is a smudge on the lens gently clean the area with a plain cotton tipped swab b If there is debris in the lens gently blow the debris away from the area 4 Check the surface on which you are using the mouse If you have a very intricate picture or pattern beneath the mouse it may be difficult for the digital signal processor DSP to determine changes in the mouse position 5 Reconnect the mouse cable to the computer 6 Turn your computer back on Display screen Dust buildup compounds problems associated with glare Remember to clean your monitor screen periodically See Cleaning a flat panel monitor surface on page 27 or Cleaning a glass screen surface on page 27 Cleaning a flat
71. t products and practices Lenovo is proud to offer our customers products with an ENERGY STAR compliant designation Some models of the following machine types have been designed and tested to conform to the ENERGY STAR program requirement for computers at the time of manufacture 90AG and 10154 For more information about ENERGY STAR ratings for Lenovo computers go to http www lenovo com By using ENERGY STAR compliant products and taking advantage of the power management features of your computer you reduce the consumption of electricity Reduced electrical consumption contributes to potential financial savings a cleaner environment and the reduction of greenhouse gas emissions For more information about ENERGY STAR go to http www energystar gov Lenovo encourages you to make efficient use of energy an integral part of your day to day operations To help in this endeavor set the following power management features to take effect when your computer has been inactive for a specified duration Table 1 ENERGY STAR power management features Windows 7 or Windows 8 operating system Power plan Lenovo Default e Turn off the display After 10 minutes e Put the computer to sleep After 25 minutes e Advanced power settings Turn off hard disk drives After 20 minutes Hibernate Never To awaken your computer from a Sleep or Standby mode press any key on your keyboard For more information about these settings refer to
72. ter power adapter or accessories in contact with your lap or any part of your body for an extended period when the products are functioning or when the battery is charging Your computer power adapter and many accessories produce some heat during normal operation Extended contact with the body could cause discomfort or potentially a skin burn Do not charge the battery or operate your computer power adapter or accessories near flammable materials or in explosive environments e Ventilation slots fans and heat sinks are provided with the product for safety comfort and reliable operation These features might inadvertently become blocked by placing the product on a bed sofa carpet or other flexible surface Never block cover or disable these features Inspect your desktop computer for dust accumulation at least once every three months Before inspecting your computer turn off the power and unplug the computer s power cord from the electrical outlet then remove any dust from vents and perforations in the bezel If you notice external dust accumulation then examine and remove dust from the inside of the computer including heat sink inlet fins power supply vents and fans Always turn off and unplug the computer before opening the cover If possible avoid operating your computer within two feet of high traffic areas If you must operate your computer in or near a high traffic area inspect and if necessary clean your computer more fr
73. the category of device for which you need the device driver Click the appropriate device driver Download and install the device driver ook Cc Inm Updating your operating system Microsoft makes updates available for the various Windows operating systems through the Microsoft Windows Update Web site The Web site automatically determines what Windows updates are available for your specific computer and lists those updates only Updates could include security fixes new versions of Windows components such as Media Player fixes to other portions of the Windows operating system or enhancements Attention Do not download updated device drivers from the Windows Web site The device drivers provided on the Windows Web site have not been tested by Lenovo and using them might cause unexpected problems Obtain updated device drivers from Lenovo See Getting the latest device drivers for your computer on page 25 for more information To access the Microsoft Windows Update site do the following 1 Go to http windowsupdate microsoft com 2 Follow the instructions on the screen O Copyright Lenovo 2013 25 Cleaning and maintenance With appropriate care and maintenance your computer will serve you reliably The following topics offer information to help you keep your computer in top working order e Basics on page 26 e Cleaning your computer on page 26 Computer on page 26 Keyboard on page 26 Opti
74. the leak Laser compliance statement Vi Lenovo M4350 User Guide CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following 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 Aie 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 Power supply statement Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician Cleaning and maintenance Keep your computer and workspace clean Shut down the computer and then disconnect the power cord before cleaning the computer Do not spray any liquid detergent directly on the computer or use any detergent containing flammable material to clean the computer Spray the detergent on a soft clot
75. tive 2006 66 EC batteries and accumulators are labeled to indicate that they are to be collected separately and recycled at end of life The label on the battery may also include a chemical symbol for the metal concerned in the battery Pb for lead Hg for mercury and Cd for cadmium Users of batteries and accumulators must not dispose of batteries and accumulators as unsorted municipal waste but use the collection framework available to customers for the return recycling and treatment of batteries and accumulators Customer participation is important to minimize any potential effects of batteries and accumulators on the environment and human health due to the potential presence of hazardous substances For proper collection and treatment go to http www lenovo com recycling Appendix C WEEE and recycling statements 51 52 Lenovo M4350 User Guide Appendix D Restriction of Hazardous Substances Directive RoHS European Union RoHS Lenovo products sold in the European Union on or after 3 January 2013 meet the requirements of Directive 2011 65 EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS recast or RoHS 2 For more information about Lenovo progress on RoHS go to http www lenovo com social_responsibility us en ROHS_Communication pdf China RoHS FRHYSESEHEHRNTANEMREE
76. turn off the computer and then restart the computer Try a lower screen resolution or color depth DVD movie will not play Symptom DVD movie will not play Actions e Make sure that the disc surface is clean and not scratched 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 No audio or intermittent audio while playing DVD movie Symptom No audio or intermittent audio while playing DVD movie Actions Check the volume control settings on your computer and on your speakers Make sure that the disc surface is clean and not scratched e Check all cable connections to and from the speakers Use the DVD menu for the video to select a different audio track Playback is very slow or choppy Symptom Playback is very slow or choppy Actions Disable any background programs such as AntiVirus or Desktop Themes e Ensure that video resolution is set to less than 1152 x 864 Chapter 7 Troubleshooting and diagnostics 33 Invalid disc or no disc found message Symptom Invalid disc or no disc found message Actions e Ensure that a DVD disc is in the drive with the shiny side of the disc facing down e Ensure that video resolution is set to less than 1152 x 864 e On computers that have a CD ROM or CD RW drive in addition to a DVD ROM drive make sure that the DVD disc is in the drive labeled DVD Intermittent problems
77. twork 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 or headphone but comes from the local speaker even though the headset or headphone is connected using the 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 O N 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 39 e Excessive number of fragmented files on page 40 e Insufficient memory on page 41 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 C
78. udio adapter is installed in one of the expansion slots the audio function built into the system board is disabled use the audio jacks on the adapter e Make sure that the program you are running is designed for use in the Microsoft Windows operating System If the program is designed to run in DOS the program does not use the Windows sound feature and must be configured to use SoundBlaster Pro or SoundBlaster emulation e Verify that the audio device drivers are correctly installed See Microsoft Windows help system for more information 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 32 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 Make sure the cable that attaches the left speaker to the right speaker is securely connected Chapter 7 Troubleshooting and diagnostics 31 Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Balance settings are set correctly No audio in DOS applications or games Symptom No audio in DOS applications or games Actions Make sure the DOS application or game is configured to use SoundBl
79. y Macrovision Corporation Reverse engineering or disassembly is prohibited Electronic emissions notices The following information refers to Lenovo personal computer machine types 90AG and 10154 Federal Communications Commission Declaration of Conformity This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult an authorized dealer or service representative for help Lenovo is not responsible for any radio or television interference caused by using other than specified or recommended cables and conne
80. your Windows Help and Support information system Copyright Lenovo 2013 57 58 Lenovo M4350 User Guide lenovo

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