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Lenovo 3176, 7339, 5039, 5033, 3167, 3171, 3147, 3143, 3154, 3132, 3134 Removing the power supply assembly

Models: 3140 3176 3157 3134 3132 3154 3143 3147 3171 3167 5033 5039 7339

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6.At the rear of the computer, remove the three screws that secure the power supply assembly. Press the power supply clip 1 downward to release the power supply assembly and then slide the power supply assembly to the front of the computer. Lift the power supply assembly out of the computer.

Figure 35. Removing the power supply assembly

7. Make sure that the new power supply assembly is the correct replacement.

Chapter 5. Installing or replacing hardware 51

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Lenovo 3176, 7339, 5039, 5033, 3167, 3171, 3147, 3143, 3154, 3132, 3134, 3157, 3140 manual Removing the power supply assembly

Contents

ThinkCentre User Guide First Edition June Copyright Lenovo Contents Appendix A. Notices 111 Appendix C. Weee and recycling statements Iv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Extension cords and related devices Power cords and power adapters Plugs and outlets External devicesHeat and product ventilation Operating environment Modem safety information Power supply statement Cleaning and maintenanceLaser compliance statement ThinkCentre User Guide Product overview Features Expansion Input/Output I/O features Preinstalled operating system Power supplySecurity features Preinstalled software programs Specifications Software overviewSoftware provided by Lenovo Lenovo Welcome Product RecoveryThinkVantage Client Security Solution Lenovo ThinkVantage Tools Adobe Reader Locations Antivirus software Connector Description Locating connectors on the rear of your computer You use speech-recognition software Component locations Locating components System board part locations Locating parts on the system board Drive bay locations Locating internal drives Machine type and model label Machine type and model label ThinkCentre User Guide Using Windows shortcut keys Using your computerFrequently asked questions Using the keyboard Using the blue ThinkVantage button Using a fingerprint readerUsing the wheel mouse Adding the volume icon to the taskbar Adjusting audioSetting the volume from the desktop Setting the volume from Control Panel Using CDs and DVDs Handling and storing CD and DVD mediaPlaying a CD or DVD Recording a CD or DVD ThinkCentre User Guide Comfort Accessibility and comfortYou and your computer Arranging your workspace Glare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Register your computer with LenovoMoving your computer to another country or region Replacement power cords Security Security features Locking the computer cover Installing a padlock Using passwords Bios passwordsAttaching an integrated cable lock Protecting data against viruses Windows passwordsConfiguring the fingerprint reader Using and understanding firewalls Security ThinkCentre User Guide Handling static-sensitive devices Installing or replacing hardwareInstalling or replacing hardware Installing external options Removing the computer cover Removing and reinstalling the front bezel Removing the front bezel What to do next Pivoting the drive bay assembly upward Accessing the system board components and drives Lowering the drive bay assembly Installing or replacing a memory module Removing a memory module Installing a memory module Installing or replacing a PCI card Removing a PCI card Installing a PCI card Replacing the battery Replacing the hard disk drive Removing the old battery That secure the hard disk drive. Then, pivot the drive bay Connecting a Sata hard disk drive Installing or replacing the optical drive Removing the optical drive screws Slide the optical drive out of the front of the computer Installing a new optical drive Connecting a Sata optical drive Replacing the heat sink and fan assembly Removing the heat sink fan duct Removing the heat sink and fan assembly Installing the heat sink fan duct Replacing the power supply assembly Removing the heat sink fan duct Removing the power supply assembly Installing the power supply assembly Replacing the microprocessor Accessing the microprocessor Installing the microprocessor Removing the front audio and USB assembly Replacing the front audio and USB assembly Replacing the system fan assembly Removing the system fan assembly Replacing the mouse Replacing the keyboard Mouse connectors Completing the parts replacement Obtaining device drivers Reinstalling the computer cover ThinkCentre User Guide 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 workspaceClick the Restore your system from a backup icon Creating a rescue medium Creating and using a rescue medium Using a rescue medium Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Reinstalling preinstalled device drivers Reinstalling software programs Solving recovery problems Reinstalling device drivers ThinkCentre User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Hard Disk Password Password considerationsPower-On Password Administrator Password Enabling or disabling a device Erasing lost or forgotten passwords clearing Cmos Selecting or changing the startup device sequence Enabling ErP compliance modeSelecting a startup device Selecting a temporary startup device Exiting the Setup Utility program ThinkCentre User Guide Using system programs Updating flashing the Bios from a discUpdating system programs Click Continue Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Click Download & Drivers Turn on the computer to restart the operating system ThinkCentre User Guide Getting the latest device drivers for your computer Preventing problemsUsing System Update Keeping your computer current Basics Click Start All Programs ThinkVantage Click System Update Optical mouse Cleaning your computerComputer Keyboard Moving your computer Good maintenance practicesCleaning a flat-panel monitor surface Cleaning a glass-screen surface Preventing problems ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnostics Troubleshooting procedure TroubleshootingSystem System Protection System Restore No audio in Windows Audio problems CD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems CD or DVD does not workBlack screen instead of DVD video Invalid disc or no disc found message DVD movie will not playNo audio or intermittent audio while playing DVD movie Playback is very slow or choppy Intermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work Fingerprint reader does not work Wireless keyboard does not workMouse or pointing device does not work Pointer on the screen does not move smoothly with the mouse Wrong characters appear on the screen Monitor problems Networking problems Image appears to be flickeringImage is discolored Click Start Control Panel Click Hardware and Sound Ethernet problemsWake on LAN feature is not working Your computer cannot connect to the network Wireless LAN problem Wireless WAN problemBluetooth problems Click Hardware and Sound Sound Option problemsAn option that was just installed does not work Sound does not come from the Bluetooth headphone Click Start Computer Performance and lockup problemsAn option that previously worked does not work now Insufficient free hard disk drive space Excessive number of fragmented files Programs and Features area, click the Clean up buttonClick Disk Cleanup Click Disk Cleanup Click Clean up system files Printer problems Insufficient memoryClick Defragment Now, then click Continue Serial port problems Software problemsSoftware does not work as expected Diagnostic programs USB problems PC-Doctor for DOS Creating a diagnostic discRunning the diagnostic program from a diagnostic disc Lenovo ThinkVantage Toolbox ThinkCentre User Guide Getting information, help, and service Lenovo Support Web site Help and serviceUsing the documentation and diagnostic programs Calling for service Purchasing additional services Using other services ThinkCentre User Guide 111 Appendix A. Notices Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Television output notice Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide 117 Appendix C. Weee and recycling statementsImportant information for the European Directive 2002/96/EC Recycling information ThinkCentre User Guide 119 Index PCI card 121 ThinkCentre User Guide Page 0B02835