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Lenovo 7823, 7782, 7824, 7783, 7821 manual Removing the rear fan assembly

Models: 7821 7783 7823 7824 7782

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4.Disconnect the rear fan assembly cable from the rear fan connector on the system board. See “Locating parts on the system board” on page 11.

5.The rear fan assembly is attached to the chassis by four rubber mounts. Remove the rear fan assembly by breaking or cutting the rubber mounts and gently pulling the rear fan assembly out of the chassis.

Note: The new rear fan assembly will have four new rubber mounts attached.

Figure 34. Removing the rear fan assembly

6.Install the new rear fan assembly by aligning the new rubber mounts with the corresponding holes in the chassis and push the rubber mounts through the holes.

Chapter 4. Installing or replacing hardware 47

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Lenovo 7823, 7782, 7824, 7783, 7821 manual Removing the rear fan assembly

Contents

Machine Types 7782, 7783, 7821, 7823, and ThinkStation User GuideThird Edition December Copyright Lenovo Contents ii ThinkStation User Guide Using the documentation and diagnosticService and upgrades Important safety informationStatic electricity prevention Hazardous moving parts. Keep fingers and other body parts awayExtension cords and related devices Power cords and power adaptersPlugs and outlets External devicesHeat and product ventilation Operating environment Modem safety informationCleaning and maintenance Power supply statementLaser compliance statement DANGERviii ThinkStation User Guide Chapter 1. Product overview FeaturesMicroprocessor MemoryConnectivity System management featuresPower supply Input/Output I/O featuresSecurity features Preinstalled software programsDimensions SpecificationsWeight EnvironmentSoftware overview Lenovo Solution CenterSoftware provided by Lenovo Lenovo ThinkVantage ToolsThinkVantage Rescue and Recovery Product RecoveryAdobe Reader Antivirus softwarePower switch Figure 1. Front connector, control, and indicator locationsUSB connector USB port Headphone connector Microphone connector USB connector USB portFigure 2. Rear connector locations Locating connectors on the rear of your computerConnector DescriptionDescription ConnectorFigure 3. Component locations Locating componentsFigure 4. System board part locations Locating parts on the system boardMachine type and model label Locating internal drivesBay 3 - Card reader drive bay Bay 4 - Secondary SATA hard disk drive bayMachine type and model label Figure 6. Machine type and model label14 ThinkStation User Guide Chapter 2. You and your computer Accessibility and comfortArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Replacement power cords Voltage-selection switchRegister your computer with Lenovo Moving your computer to another country or region18 ThinkStation User Guide Chapter 3. Security Security featuresFigure 7. Installing a padlock Locking the computer coverBIOS passwords Using passwordsAttaching an integrated cable lock Figure 8. Integrated cable lockConfiguring the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against virusesChapter 3. Security 24 ThinkStation User Guide Installing or replacing hardware Chapter 4. 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 28 ThinkStation User Guide Figure 11. Opening the PCI card latch5. Remove the new PCI card from its static-protective package Installing or replacing a memory module Figure 14. Installing a PCI cardWhat to do next Figure 16. Opening the retaining clips Figure 15. Removing a memory moduleInstalling or replacing the optical drive Figure 17. Installing a memory moduleWhat to do next Figure 18. Removing the optical drive Figure 19. Installing the optical drive retainerFigure 20. Installing the optical drive Replacing the card readerFigure 21. Connecting the optical drive What to do nextFigure 22. Removing the card reader Figure 23. Installing the card reader retainerWhat to do next Replacing the power supply assemblyHazardous moving parts. Keep fingers and other body parts away 36 ThinkStation User GuideFigure 24. Removing the screws for the power supply assembly Replacing the heat sink and fan assembly What to do next38 ThinkStation User Guide What to do next Figure 25. Removing the heat sink and fan assemblyFigure 26. Removing the primary hard disk drive Replacing the primary hard disk drive11. Align the drive cage pivot pin with the slot cage into the chassis Replacing the secondary hard disk drive Figure 28. Installing the primary hard disk driveWhat to do next Figure 30. Installing the hard disk drive into the bracket Chapter 4. Installing or replacing hardwareFigure 29. Removing the secondary hard disk drive Replacing the front fan assembly Figure 31. Installing the secondary hard disk driveWhat to do next Figure 32. Removing the front fan assembly Replacing the rear fan assembly Figure 33. Installing the front fan assemblyWhat to do next Figure 34. Removing the rear fan assembly Replacing the keyboard or mouse Figure 35. Installing the rear fan assemblyWhat to do next Completing the parts replacement Figure 36. Connecting the USB keyboard or mouseWhat to do next Obtaining device drivers Chapter 5. Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operation3. Click the Restore your system from a backup icon Chapter 5. Recovery informationUsing a rescue medium Creating and using a rescue mediumCreating a rescue medium 54 ThinkStation User GuideReinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling device drivers Reinstalling software programsSolving recovery problems 56 ThinkStation User GuideChapter 5. Recovery information 58 ThinkStation User Guide Starting the Setup Utility program Chapter 6. Using the Setup Utility programViewing and changing settings Password considerationsAdministrator Password Power-On PasswordHard Disk Password Setting, changing, and deleting a passwordSelecting a startup device Enabling or disabling a deviceSelecting a temporary startup device USB SetupSelecting or changing the startup device sequence Enabling ErP compliance mode62 ThinkStation User Guide Exiting the Setup Utility program Smart performance choicesBetter Acoustic Performance default choice Better Thermal Performance 64 ThinkStation User Guide Configuring the system BIOS to enable SATA RAID functionality Chapter 7. Configuring RAIDCreating RAID volumes RAID LevelDeleting RAID volumes Resetting disks to non-RAID66 ThinkStation 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 Basic troubleshooting Chapter 9. Troubleshooting and diagnosticsDiagnostic programs Lenovo Solution Center70 ThinkStation User Guide Running the diagnostic program from a diagnostic disc Creating a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOSLenovo Diagnostics Cleaning an optical mouse72 ThinkStation User Guide Safety and Warranty Chapter 10. Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsUsing the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other services76 ThinkStation User Guide Appendix A. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Export classification notice Appendix B. Regulatory informationTelevision 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 Taiwan82 ThinkStation User Guide Important information for the European Directive 2002/96/EC Appendix C. WEEE and recycling informationRecycling information EU OnlyRecycling information for Brazil Battery recycling information for TaiwanDeclarações de Reciclagem no Brasil Descarte de um Produto Lenovo Fora de UsoAppendix C. WEEE and recycling information Battery recycling information for the European Union86 ThinkStation User Guide Index passwords Power-On Passwordfeatures rear connectorsPage 90 ThinkStation User Guide Page Part Number 0A74582 Printed in USA 1P P/N 0A74582 0A74582