Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo 3218, 2988, 2992E5U, 2982, 2993, 2996 Replacing the power supply assembly, What to do next

Models: 2756 2800 2934 2945 2941 2932 2929 2961 3183 3218 3181 3227 3198 3209 3207 3185 3214 3187 3202 3224 3306 3395 3393 2996 2993 2982 2992E5U 2988

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10.Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position.

Figure 47. Installing the heat sink fan duct

What to do next:

•To work with another piece of hardware, go to the appropriate section.

•To complete the replacement, go to “Completing the parts replacement” on page 85.

Replacing the power supply assembly

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the power supply assembly.

Although there are no moving parts in your computer after the power cord has been disconnected, the following warnings are required for your safety and proper Underwriters Laboratories (UL) certification.

CAUTION:

62ThinkCentre User Guide

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Lenovo 3218, 2988, 2992E5U, 2982 Replacing the power supply assembly, What to do next, Installing the heat sink fan duct

Contents

ThinkCentre User Guide Second Edition September Copyright Lenovo Chapter 2. Using your computer ContentsImportant safety information Chapter 5. Installing or replacingChapter 6. Recovery information Appendix A. Notices iv ThinkCentre User Guide Static electricity prevention Important safety informationService and upgrades Hazardous moving parts. Keep fingers and other body parts awayPower cords and power adapters Extension cords and related devicesHeat and product ventilation Plugs and outletsExternal devices Modem safety information Operating environmentLaser compliance statement Power supply statementCleaning and maintenance DANGERx ThinkCentre User Guide Microprocessor FeaturesChapter 1. Product overview MemorySystem management features ConnectivitySecurity features Input/Output I/O featuresPower supply Preinstalled software programsWeight SpecificationsDimensions EnvironmentAccessing Lenovo programs from the Lenovo ThinkVantage Tools program Accessing Lenovo programs on the Windows 7 operating systemLenovo programs Accessing Lenovo programs from Control PanelCommunications Utility Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Power Manager Lenovo Solution CenterPassword Manager Recovery MediaSystem Update LocationsRescue and Recovery SimpleTapHard disk drive activity indicator Power indicator Figure 1. Front connector, control, and indicator locationsOptical drive eject/close button Power switch USB 2.0 connector USB port Microphone connector Headphone connectorPower cord connector Locating connectors on the rear of your computerFigure 2. Rear connector locations VGA monitor connectorConnector DescriptionLocating components Locating parts on the system board1 4-pin microprocessor power connector 2 Microprocessor Figure 4. System board part locationsFigure 5. System board part locations 14 ThinkCentre User GuideLocating internal drives Figure 7. Machine type and model label Machine type and model labelThe following is a sample of the machine type and model label Accessing Control Panel on the Windows 8 operating system Chapter 2. Using your computerFrequently asked questions Where are my recovery discs?Using the blue ThinkVantage button Using the keyboardUsing Windows shortcut keys Using a fingerprint readerSetting the volume from the desktop Using the wheel mouseAdjusting audio About your computer audioHandling and storing CD and DVD media Setting the volume from Control PanelUsing CDs and DVDs 2. In the Sound topic, click Adjust system volumePlaying a CD or DVD Recording a CD or DVD22 ThinkCentre User Guide Arranging your workspace Accessibility and comfortChapter 3. You and your computer ComfortElectrical outlets and cable lengths Glare and lightingAir circulation Moving your computer to another country or region Voltage-selection switchRegistering your computer Replacement power cords For power cord information and part numbers, go toSecurity features Chapter 4. SecurityAttaching an integrated cable lock Using passwordsBIOS passwords Figure 8. Integrated cable lockUsing and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against viruses30 ThinkCentre User Guide Installing external options Chapter 5. Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devicesRemoving and reinstalling the front bezel Opening the computer cover2. Open the computer cover. See “Opening the computer cover” on page Figure 10. Removing the front bezelAccessing the system board components and drives What to do nextInstalling or replacing a memory module 36 ThinkCentre User Guide Figure 12. Removing a memory moduleFigure 13. Opening the retaining clips What to do next Installing or replacing a PCI cardFigure 14. Installing a memory module as shown to What to do next Installing or replacing the card readerInstalling the card reader Figure 17. Installing the card reader 40 ThinkCentre User GuideFigure 19. Removing the card reader cover Figure 18. Installing the screw that secures the card readerWhat to do next Replacing the card reader Figure 20. Removing the screw that secures the card readerFigure 21. Installing the card reader What to do next Installing or replacing the mSATA solid state driveInstalling the mSATA solid state drive Figure 23. Installing the mSATA solid state drive into the storage converter Figure 25. Installing the mSATA solid state drive storage converter 46 ThinkCentre User GuideReplacing the mSATA solid state drive What to do nextFigure 27. Removing the mSATA solid state drive storage converter 48 ThinkCentre User GuideFigure 29. Removing the mSATA solid state drive Figure 32. Installing the mSATA solid state drive storage converter 50 ThinkCentre User GuideWhat to do next Replacing the batteryFigure 33. Installing the screw that secures the storage converter Figure 35. Installing a new battery Installing the solid state diskFigure 34. Removing the old battery What to do nextTo install the solid state disk, do the following Figure 38. Removing the hard disk drive Replacing the hard disk driveWhat to do next 2 , pin What to do next Replacing the optical driveFigure 40. Installing the hard disk drive Figure 41. Pivoting the optical drive bay 7. Press the optical drive lock and slide the optical drive out of the rear of the drive bay assemblyFigure 43. Installing the optical drive retainer Figure 42. Removing the old optical driveWhat to do next Replacing the heat sink and fan assemblyFigure 44. Installing a new optical drive a. Partially remove screw b. Partially remove screw a. Partially tighten screw b. Partially tighten screw What to do next Replacing the power supply assemblyFigure 47. Installing the heat sink fan duct Hazardous moving parts. Keep fingers and other body parts away Figure 48. Removing the heat sink fan duct 64 ThinkCentre User GuideFigure 49. Power connectors on the system board Note Use only screws provided by Lenovo What to do next Replacing the microprocessorFigure 52. Installing the heat sink fan duct 5. Lift the small handle Figure 55. Installing the microprocessor 70 ThinkCentre User Guide Replacing the cover presence switchWhat to do next Figure 57. Removing the cover presence switch What to do next Replacing the internal speakerFigure 58. Installing the new cover presence switch Figure 59. Removing the internal speaker What to do next Replacing the front audio and USB assemblyFigure 60. Installing the new internal speaker Figure 61. Removing the front audio and USB assembly What to do nextReplacing the WiFi units Removing the WiFi adapter cardRemoving the WiFi card module Installing the WiFi units Figure 67. Installing the WiFi card module Figure 68. Connecting the WiFi antenna cablesWhat to do next Installing or removing the rear WiFi antennaInstalling the rear WiFi antenna What to do next Removing the rear WiFi antennaFigure 70. Installing the rear WiFi antenna What to do next Installing or removing the front WiFi antennaInstalling the front WiFi antenna Figure 73. Installing the front WiFi antenna Figure 72. Peeling off the paper that protects the stickerWhat to do next Removing the front WiFi antennaFigure 74. Removing the front WiFi antenna What to do nextFigure 75. Connecting a new keyboard or mouse Completing the parts replacementReplacing the keyboard or mouse What to do nextObtaining device drivers 86 ThinkCentre User GuideCreating and using recovery media Chapter 6. Recovery informationRecovery information for the Windows 7 operating system Using recovery media Performing backup and recovery operationsCreating recovery media Performing a backup operation3. Click the Restore your system from a backup icon Using the Rescue and Recovery workspacePerforming a recovery operation Creating a rescue medium Creating and using a rescue mediumUsing a rescue medium Reinstalling preinstalled device drivers Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Solving recovery problems Reinstalling software programsReinstalling device drivers 92 ThinkCentre User GuideRefreshing your computer Recovery information for the Windows 8 operating systemResetting your computer to the factory default settings Advanced startup options94 ThinkCentre User Guide Viewing and changing settings Chapter 7. Using the Setup Utility programStarting the Setup Utility program Using passwordsAdministrator Password Password considerationsPower-On Password Hard Disk PasswordUSB Setup Erasing lost or forgotten passwords clearing CMOSEnabling or disabling a device SATA ControllerSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Enabling ErP compliance modeBetter Acoustic Performance default setting ICE performance modeICE thermal alert DisabledExiting the Setup Utility program 100 ThinkCentre User GuideChapter 8. Updating system programs Using system programsUpdating flashing the BIOS from a disc 2. Click Download Drivers & Software 3. Click Use Quick Path Updating flashing the BIOS from your operating systemRecovering from a POST/BIOS update failure Getting the latest device drivers for your computer Chapter 9. Preventing problemsKeeping your computer current Updating your operating systemCleaning and maintenance Using System UpdateBasics “Basics” on page “Cleaning your computer” on page “Computer” on pageKeyboard Cleaning your computerComputer Optical mouseCleaning a glass-screen surface Good maintenance practicesMoving your computer Chapter 10. Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingAudio problems No audio in WindowsNo audio in DOS applications or games CD problemsSound comes from one external speaker only Black screen instead of DVD video DVD problemsA CD or DVD does not work Playback is very slow or choppy DVD movie will not playNo audio or intermittent audio while playing DVD movie Invalid disc or no disc found messageAll or some keys on the keyboard do not work Intermittent problemsKeyboard, mouse, or pointing device problems 1. Click Start Control Panel 2. Click Hardware and SoundThe pointer on the screen does not move smoothly with the mouse The wireless keyboard does not workThe mouse or pointing device does not work The fingerprint reader does not workThe image appears to be flickering Monitor problemsWrong characters appear on the screen Networking problems The image is discolored1. Click Start Control Panel 2. Click Hardware and Sound Ethernet problemsYour computer cannot connect to the network 2. Click Hardware and SoundThe Wake on LAN feature is not working A wireless LAN problemA wireless WAN problem An option that was just installed does not work Option problemsBluetooth problems Sound does not come from the Bluetooth headphoneInsufficient free hard disk drive space Performance and lockup problemsAn option that previously worked does not work now 1. Click Start Computer2. Click Programs 3. Click Turn Windows features on or off Excessive number of fragmented files3. Click Disk Cleanup 3. Click Disk Cleanup 4. Click Clean up system filesInsufficient memory Printer problemsSerial port problems 5. Click OptimizeSoftware does not work as expected Software problemsWhen using a sort feature, dates do not sort in the correct order 124 ThinkCentre User Guide USB problemsLenovo Solution Center Information resources Chapter 11. Getting information, help, and serviceSafety and Warranty Lenovo ThinkVantage ToolsCalling for service Help and serviceUsing the documentation and diagnostic program Lenovo Support Web siteUsing other services Purchasing additional services128 ThinkCentre User Guide Morrisville, NC U.S.A Attention Lenovo Director of Licensing Appendix A. NoticesLenovo United States, Inc 1009 Think Place - Building One Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Federal Communications Commission Declaration of ConformityGerman Class B compliance statement Deutschsprachiger EU Hinweis DeutschlandJapanese VCCI Class B statement Additional regulatory informationLenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan134 ThinkCentre User Guide Recycling information Appendix C. WEEE and recycling informationImportant WEEE information Declarações de Reciclagem no Brasil Battery recycling information for TaiwanRecycling information for Brazil Descarte de um Produto Lenovo Fora de UsoBattery recycling information for the European Union Appendix C. WEEE and recycling information138 ThinkCentre User Guide Ukraine RoHS Appendix D. Restriction of Hazardous Substances Directive RoHSChina RoHS Turkish RoHS India RoHS RoHS compliant as per E-Waste Management & Handling RulesAppendix E. ENERGY STAR model information 142 ThinkCentre User Guide Index Page flashing the BIOS 146 ThinkCentre User Guide