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Lenovo 1987, 1993, 1995, 1986, 1985 Locating parts on the system board, System board part locations

Models: 1992 1990 1983 1982 1994 1987 1985 1986 1995 1993

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Locating parts on the system board

Locating parts on the system board

Figure 4 “System board part locations” on page 12 shows the locations of the parts on the system board.

Figure 4. System board part locations

1Microprocessor

2Microprocessor fan connector

3Memory slot 1 (DIMM1)

4Memory slot 2 (DIMM3)

5Memory slot 3 (DIMM2)

6Memory slot 4 (DIMM4)

7Thermal sensor connector

824-pin power connector

9Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper

10Battery

11Power fan connector

12Parallel connector

13SATA 3.0 connectors (4)

14Front panel connector (for connecting LED indicators and power switch)

15Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel)

16Front USB connectors 2 and 3 (for connecting additional USB devices)

17Cover presence switch connector (Intrusion switch connector)

18Serial (COM2) connector

19Internal speaker connector

20Front audio connector

21PCI card slot

22PCI Express x1 card slots (2)

23PCI Express x16 graphics card slot

24System fan connector

25PS/2 keyboard and mouse connector

264-pin power connector

12ThinkCentre User Guide

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Lenovo 1987, 1993, 1995, 1986, 1985, 1994, 1982, 1983, 1990, 1992 Locating parts on the system board, System board part locations

Contents

ThinkCentre User Guide Third Edition June Copyright Lenovo 2011 Contents Important safety informationChapter 2. Using your computer Chapter 5. Installing or replacingChapter 6. Recovery information Chapter 7. Using the Setup UtilityChapter 9. Preventing problems Chapter 10. Troubleshooting andAppendix C. WEEE and recycling information Appendix D. Restriction of Hazardous Substances Directive RoHSIndex iv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Hazardous moving parts. Keep fingers and other body parts awayPower cords and power adapters Extension cords and related devicesPlugs and outlets External devicesHeat and product ventilation Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement DANGERx ThinkCentre User Guide Features Chapter 1. Product overviewMicroprocessor MemorySystem management features Input/Output I/O featuresConnectivity Power supply Security featuresPreinstalled software programs Preinstalled operating systemSpecifications Software overviewSoftware provided by Lenovo Lenovo Solution Center Lenovo ThinkVantage ToolsLenovo Welcome Fingerprint SoftwareProduct Recovery ThinkVantage Password ManagerThinkVantage Power Manager ThinkVantage Rescue and RecoveryThinkVantage System Update Adobe ReaderAntivirus software LocationsFigure 1. Front connector, control, and indicator locations Hard disk drive activity indicator Power indicator Power switchUSB connector USB port Headphone connector Microphone connector USB connector USB portLocating connectors on the rear of your computer Figure 2. Rear connector locationsConnector DescriptionLocating components Figure 3. Component locationsLocating parts on the system board Figure 4. System board part locationsLocating internal drives Bay 3 - Card reader drive bayBay 4 - Secondary SATA hard disk drive bay Machine type and model label The following is a sample of the machine type and model labelFigure 6. Machine type and model label Machine Type Model NumberChapter 2. Using your computer Frequently asked questionsUsing the keyboard Using Windows shortcut keysUsing a fingerprint reader Using the wheel mouseAdjusting audio About your computer audioSetting the volume from the desktop Setting the volume from Control PanelUsing CDs and DVDs Adding the volume icon to the taskbarPlaying a CD or DVD Recording a CD or DVD1. Click Start All Programs Corel DVD MovieFactory Lenovo Edition Accessibility and comfort Chapter 3. You and your computerArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Replacement power cordsRegister your computer with Lenovo Moving your computer to another country or region22 ThinkCentre User Guide Security features Chapter 4. SecurityLocking the computer cover Figure 7. Installing a padlockUsing passwords BIOS passwordsAttaching an integrated cable lock Figure 8. Integrated cable lockWindows passwords Configuring the fingerprint readerUsing and understanding firewalls Protecting data against virusesChapter 4. Security 28 ThinkCentre User Guide Chapter 5. Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing and reinstalling the front bezel Installing or replacing a PCI cardWhat to do next Figure 11. Opening the PCI card latch 32 ThinkCentre User Guideas shown to Installing or replacing a memory module Figure 13. Installing a PCI cardWhat to do next Figure 14. Removing a memory module Figure 15. Opening the retaining clipsInstalling or replacing the optical drive Figure 16. Installing a memory moduleWhat to do next Figure 18. Installing the optical drive retainer Figure 17. Removing the optical driveInstalling or replacing the card reader Figure 19. Installing the optical driveFigure 20. Connecting the optical drive What to do nextInstalling the card reader Figure 22. Installing the card reader retainerFigure 21. Removing the card reader retainer Figure 23. Installing the card reader Figure 24. Removing the card reader cover40 ThinkCentre User Guide Replacing the card reader What to do nextFigure 25. Removing the card reader Replacing the battery Figure 26. Installing the card reader retainerFigure 27. Installing the card reader What to do nextFigure 28. Removing the old battery Figure 29. Installing a new batteryWhat to do next Replacing the power supply assembly Hazardous moving parts. Keep fingers and other body parts away44 ThinkCentre User Guide Replacing the heat sink and fan assembly Figure 30. Removing the screws for the power supply assemblyWhat to do next Figure 31. Removing the heat sink and fan assembly 46 ThinkCentre User GuideReplacing the microprocessor Figure 32. Reinstalling the heat sink and fan assemblyWhat to do next 6. Lift the small handle Replacing the primary hard disk drive What to do next5. Press the blue release tab then pivot it outward Replacing the secondary hard disk drive Figure 37. Installing the primary hard disk driveWhat to do next Figure 39. Installing the hard disk drive into the bracket Figure 38. Removing the secondary hard disk drive52 ThinkCentre User Guide Replacing the front fan assembly Figure 40. Installing the secondary hard disk driveWhat to do next Figure 41. Removing the front fan assembly 54 ThinkCentre User GuideReplacing the rear fan Figure 42. Installing the front fan assemblyWhat to do next Note The new rear fan will have four new rubber mounts attached Replacing the front audio and USB assembly Figure 44. Installing the rear fanWhat to do next Replacing the internal speaker What to do next58 ThinkCentre User Guide Figure 46. Removing the old internal speaker Replacing the keyboard or mouse Figure 47. Installing a new internal speakerWhat to do next Completing the parts replacement Figure 48. Connecting the USB keyboard or mouseWhat to do next Obtaining device drivers Chapter 6. Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspace3. Click the Restore your system from a backup icon Chapter 6. Recovery informationCreating and using a rescue medium Using a rescue mediumCreating a rescue medium 66 ThinkCentre User GuideReinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling software programs Reinstalling device driversSolving recovery problems 68 ThinkCentre User GuideChapter 6. Recovery information 70 ThinkCentre User Guide Chapter 7. Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-On PasswordAdministrator Password Hard Disk PasswordErasing lost or forgotten passwords clearing CMOS Enabling or disabling a deviceUSB Setup SATA ControllerEnabling ErP compliance mode Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceExiting the Setup Utility program 76 ThinkCentre User Guide Using system programs Updating flashing the BIOS from a discChapter 8. Updating system programs Updating flashing the BIOS from your operating system Recovering from a POST/BIOS update failureb. Click Downloads and drivers Chapter 9. Preventing problems Keeping your computer currentGetting the latest device drivers for your computer Updating your operating systemUsing System Update 2. Double-click Update and DriversBasics 1. Click Start Lenovo ThinkVantage ToolsCleaning your computer Cleaning a flat-panel monitor surfaceComputer KeyboardGood maintenance practices Cleaning a glass-screen surfaceMoving your computer Chapter 10. Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure Troubleshooting84 ThinkCentre User Guide Audio problems No audio in WindowsCD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems A CD or DVD does not workBlack screen instead of DVD video DVD movie will not play No audio or intermittent audio while playing DVD moviePlayback is very slow or choppy Invalid disc or no disc found messageIntermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work 1. Click Start Control Panel 2. Click Hardware and SoundMonitor problems The wireless keyboard does not workThe mouse or pointing device does not work The pointer on the screen does not move smoothly with the mouseWrong characters appear on the screen The image appears to be flickeringNetworking problems Ethernet problemsThe image is discolored The Wake on LAN feature is not working Your computer cannot connect to the networkThe adapter stops working for no apparent reason 1. Click Start Control Panel 2. Click Hardware and SoundA wireless LAN problem A wireless WAN problemBluetooth problems 94 ThinkCentre User GuideOption problems An option that was just installed does not workSound does not come from the Bluetooth headphone An option that previously worked does not work nowPerformance and lockup problems 3. Click Disk Cleanup3. Click Turn Windows features on or off Insufficient free hard disk drive spacePrinter problems 3. Click Disk Cleanup 4. Click Clean up system files6. In the Programs and Features area, click the Clean up button Excessive number of fragmented filesSerial port problems Software problemsWhen using a sort feature, dates do not sort in the correct order Software does not work as expectedUSB problems Diagnostic programsLenovo Solution Center Lenovo ThinkVantage ToolboxCreating a diagnostic disc Running the diagnostic program from a diagnostic discPC-Doctor for DOS 102 ThinkCentre User Guide Chapter 11. Getting information, help, and service Safety and WarrantyInformation resources Lenovo ThinkVantage ToolsHelp and service Using the documentation and diagnostic programCalling for service Lenovo Support Web siteUsing other services Purchasing additional services106 ThinkCentre User Guide Appendix A. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement German Class B compliance statement Deutschsprachiger EU HinweisDeutschland Lenovo product service information for Taiwan Additional regulatory informationKorea Class B compliance statement Japanese VCCI Class B statement Keyboard and mouse compliance statement for Taiwan112 ThinkCentre User Guide Appendix C. WEEE and recycling information Important WEEE InformationRecycling information Battery recycling information for Taiwan Recycling information for BrazilDeclarações de Reciclagem no Brasil Descarte de um Produto Lenovo Fora de UsoBattery recycling information for the European Union Appendix C. WEEE and recycling information116 ThinkCentre User Guide Appendix D. Restriction of Hazardous Substances Directive RoHS China RoHS Turkish RoHSUkraine RoHS India RoHS RoHS compliant as per E-Waste Management & Handling RulesIndex Page Page 122 ThinkCentre User Guide Page 1P0B07068 Part Number 0B07068 Printed in 1P P/N 0B07068