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Lenovo 3147, 7339, 5039, 5033, 3167, 3171, 3143, 3154, 3132, 3134, 3157 Removing the system fan assembly

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

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Figure 42. Removing the system fan assembly

9.Install the new system fan assembly by aligning the new rubber mounts that came with the new system fan assembly with the corresponding holes in the chassis, and then push the rubber mounts through the holes. Then, carefully pull on the tips of the rubber mounts from the bottom until the new system fan assembly is secured in place.

Figure 43. Installing the system fan assembly

58ThinkCentre User Guide

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Lenovo 3147, 7339, 5039, 5033, 3167, 3171, 3143, 3154, 3132, 3134, 3157, 3176, 3140 manual Removing the system fan 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 Service and upgrades Important safety informationStatic electricity prevention Power cords and power adapters Extension cords and related devices External devices Plugs and outletsHeat and product ventilation Modem safety information Operating environment Cleaning and maintenance Power supply statementLaser compliance statement ThinkCentre User Guide Features Product overview Input/Output I/O features Expansion Preinstalled software programs Power supplySecurity features Preinstalled operating system Software overview SpecificationsSoftware provided by Lenovo Lenovo ThinkVantage Tools Product RecoveryThinkVantage Client Security Solution Lenovo Welcome Adobe Reader Antivirus software Locations Locating connectors on the rear of your computer Connector Description You use speech-recognition software Locating components Component locations Locating parts on the system board System board part locations Locating internal drives Drive bay locations Machine type and model label Machine type and model label ThinkCentre User Guide Using the keyboard Using your computerFrequently asked questions Using Windows shortcut keys Using a fingerprint reader Using the blue ThinkVantage buttonUsing the wheel mouse Setting the volume from Control Panel Adjusting audioSetting the volume from the desktop Adding the volume icon to the taskbar Handling and storing CD and DVD media Using CDs and DVDsPlaying a CD or DVD Recording a CD or DVD ThinkCentre User Guide Arranging your workspace Accessibility and comfortYou and your computer Comfort Air circulation Glare and lightingElectrical outlets and cable lengths Register your computer with Lenovo Voltage-selection switchMoving your computer to another country or region Replacement power cords Security features Security Installing a padlock Locking the computer cover Bios passwords Using passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against viruses Security ThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devices Removing and reinstalling the front bezel Removing the computer cover What to do next Removing the front bezel Accessing the system board components and drives Pivoting the drive bay assembly upward Installing or replacing a memory module Lowering the drive bay assembly Removing a memory module Installing or replacing a PCI card Installing a memory module Removing a PCI card Replacing the battery Installing a PCI card Removing the old battery Replacing the hard disk drive That secure the hard disk drive. Then, pivot the drive bay Installing or replacing the optical drive Connecting a Sata hard disk drive Removing the optical drive screws Slide the optical drive out of the front of the computer Installing a new optical drive Replacing the heat sink and fan assembly Connecting a Sata optical drive Removing the heat sink fan duct Removing the heat sink and fan assembly Replacing the power supply assembly Installing the heat sink fan duct 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 Replacing the front audio and USB assembly Removing the front audio and USB assembly Replacing the system fan assembly Removing the system fan assembly Replacing the keyboard Replacing the mouse Completing the parts replacement Mouse connectors Reinstalling the computer cover Obtaining device drivers ThinkCentre User Guide Creating and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operationClick the Restore your system from a backup icon Creating and using a rescue medium Creating a rescue medium Reinstalling preinstalled applications and device drivers Using a rescue mediumReinstalling preinstalled applications Reinstalling software programs Reinstalling preinstalled device drivers Reinstalling device drivers Solving recovery problems ThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Administrator Password Password considerationsPower-On Password Hard Disk Password Erasing lost or forgotten passwords clearing Cmos Enabling or disabling a device Selecting a temporary startup device Enabling ErP compliance modeSelecting a startup device Selecting or changing the startup device sequence Exiting the Setup Utility program ThinkCentre User Guide Updating flashing the Bios from a disc Using system programsUpdating system programs Click Download & Drivers Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Click Continue Turn on the computer to restart the operating system ThinkCentre User Guide Keeping your computer current Preventing problemsUsing System Update Getting the latest device drivers for your computer Click Start All Programs ThinkVantage Click System Update Basics Keyboard Cleaning your computerComputer Optical mouse Cleaning a glass-screen surface Good maintenance practicesCleaning a flat-panel monitor surface Moving your computer Preventing problems ThinkCentre User Guide Troubleshooting and diagnostics Basic troubleshooting Troubleshooting Troubleshooting procedureSystem System Protection System Restore Audio problems No audio in Windows Sound comes from one external speaker only CD problemsNo audio in DOS applications or games CD or DVD does not work DVD problemsBlack screen instead of DVD video 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 message Keyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Pointer on the screen does not move smoothly with the mouse Wireless keyboard does not workMouse or pointing device does not work Fingerprint reader does not work Monitor problems Wrong characters appear on the screen Image appears to be flickering Networking problemsImage is discolored Your computer cannot connect to the network Ethernet problemsWake on LAN feature is not working Click Start Control Panel Click Hardware and Sound Wireless WAN problem Wireless LAN problemBluetooth problems Sound does not come from the Bluetooth headphone Option problemsAn option that was just installed does not work Click Hardware and Sound Sound Insufficient free hard disk drive space Performance and lockup problemsAn option that previously worked does not work now Click Start Computer Click Disk Cleanup Click Clean up system files Programs and Features area, click the Clean up buttonClick Disk Cleanup Excessive number of fragmented files Insufficient memory Printer problemsClick Defragment Now, then click Continue Software problems Serial port problemsSoftware does not work as expected USB problems Diagnostic programs Lenovo ThinkVantage Toolbox Creating a diagnostic discRunning the diagnostic program from a diagnostic disc PC-Doctor for DOS ThinkCentre User Guide Getting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic programs Lenovo Support Web site Using other services Purchasing additional services ThinkCentre User Guide Appendix A. Notices 111 Trademarks Television output notice Appendix B. Regulatory informationExport classification notice Electronic emissions notices Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Recycling information Appendix C. Weee and recycling statementsImportant information for the European Directive 2002/96/EC 117 ThinkCentre User Guide Index 119 PCI card 121 ThinkCentre User Guide Page 0B02835