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Lenovo 2011, 2112, 2111, 2110, 1663, 1565, 1662, 1562, 1766, 1765 manual Removing the rear fan assembly

Models: 1765 1766 1562 1662 1565 1663 2011 2110 2111 2112

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Figure 45. Removing the rear fan assembly

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 45. 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 5. Installing or replacing hardware 61

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Lenovo 2011, 2112, 2111, 2110, 1663, 1565, 1662, 1562, 1766, 1765 manual Removing the rear fan assembly

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Chapter 6. Recovery information Appendix A. Notices ivThinkCentre User Guide Service and upgrades Important safety informationStatic electricity prevention Extension cords and related devices Power cords and power adaptersExternal devices Plugs and outletsHeat and product ventilation Operating environment Modem safety informationviiiThinkCentre User Guide Cleaning and maintenance Power supply statementLaser compliance statement DANGERxThinkCentre User Guide Chapter 1. Product overview FeaturesMicroprocessor MemoryConnectivity System management featuresPower supply Input/Output I/O featuresSecurity features ExpansionPreinstalled operating system Preinstalled software programsLenovo programs SpecificationsDimensions WeightProgram Accessing Lenovo programs from Control PanelIcon name Program•Communications Utility An introduction to Lenovo programs•Fingerprint Software •Lenovo Cloud Storage•Password Manager •Lenovo Solution Center•Power Manager •Recovery Media•System Update Locations•View Management Utility Figure 2. Rear connector locations Locating connectors on the rear of your computerDescription ConnectorFigure 3. Component locations Locating componentsFigure 4. System board part locations Locating parts on the system boardLocating internal drives Figure 6. Machine type and model label Machine type and model label16ThinkCentre User Guide Frequently asked questions Chapter 2. Using your computerWhere are my recovery discs? 2.Click Settings 3.Click Control PanelUsing Windows shortcut keys Using the keyboardUsing the blue ThinkVantage button Using a fingerprint readerAdjusting audio Using the wheel mouseSetting the volume from the desktop About your computer audioUsing CDs and DVDs Setting the volume from Control PanelHandling and storing CD and DVD media Recording a CD or DVD Playing a CD or DVD22ThinkCentre User Guide Chapter 3. You and your computer Accessibility and comfortArranging your workspace ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Registering your computer Voltage-selectionswitchMoving your computer to another country or region Replacement power cords Chapter 4. Security Security featuresFigure 7. Installing a padlock Locking the computer coverAttaching a cable lock BIOS passwords Using passwordsAttaching an integrated cable lock Figure 9. Integrated cable lockConfiguring the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against viruses32ThinkCentre User Guide Installing or replacing hardware Chapter 5. Installing or replacing hardwareInstalling external options Handling static-sensitivedevicesRemoving the computer cover Installing or replacing a PCI card Removing and reinstalling the front bezelWhat to do next To install or replace a PCI card, do the following as shown to NotesFigure 14. Installing a PCI card Installing or replacing a memory moduleWhat to do next DIMM UDIMMDIMM DIMMFigure 17. Installing a memory module Installing or replacing the optical driveWhat to do next Figure 16. Opening the retaining clipsFigure 18. Removing the optical drive Figure 19. Installing the optical drive retainerFigure 20. Installing the optical drive Installing or replacing the card readerFigure 21. Connecting the optical drive What to do nextInstalling the card reader Figure 25. Removing the card reader cover Figure 24. Installing the card reader44ThinkCentre User Guide What to do next Replacing the card readerReplacing the battery What to do next Replacing the power supply assembly48ThinkCentre User Guide What to do next Replacing the heat sink and fan assemblyNotes a.Partially remove screw b.Partially remove screwWhat to do next Replacing the microprocessorNotes 6. Lift the small handleWhat to do next Replacing the primary hard disk drive54ThinkCentre User Guide Figure 35. Removing the primary hard disk driveFigure 37. Installing the primary hard disk drive Replacing the secondary hard disk driveWhat to do next 56ThinkCentre User Guide Figure 38. Removing the secondary hard disk driveWhat to do next Installing the solid-statedrive58ThinkCentre User Guide Figure 43. Removing the front fan assembly Replacing the front fan assemblyWhat to do next Figure 44. Installing the front fan assembly Replacing the rear fan assemblyWhat to do next Figure 45. Removing the rear fan assembly Figure 46. Installing the rear fan assembly Replacing the front audio and USB assemblyWhat to do next What to do next Replacing the internal speakerTo replace the internal speaker, do the following What to do next Replacing the thermal sensor66ThinkCentre User Guide Figure 50. Removing the thermal sensorWhat to do next Replacing the cover presence switch68ThinkCentre User Guide Figure 52. Removing the cover presence switchWhat to do next Replacing the WiFi unitsRemoving the WiFi adapter card Removing the WiFi card module Installing the WiFi units Figure 59. Installing the WiFi card module Figure 61. Installing the WiFi adapter card Figure 60. Installing the WiFi antenna cablesWhat to do next 74ThinkCentre User GuideInstalling the rear WiFi antenna Installing or removing the rear WiFi antennaRemoving the rear WiFi antenna What to do nextInstalling the front WiFi antenna Installing or removing the front WiFi antennaWhat to do next Figure 65. Installing the front WiFi antenna Replacing the keyboard or mouse Removing the front WiFi antennaWhat to do next What to do nextFigure 67. Connecting the USB keyboard or mouse Completing the parts replacementWhat to do next Obtaining device drivers Creating and using recovery media Chapter 6. Recovery informationNotes Creating recovery media Performing backup and recovery operationsUsing recovery media Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspaceUsing a rescue medium Creating and using a rescue mediumCreating a rescue medium NotesReinstalling preinstalled device drivers Reinstalling preinstalled applicationsReinstalling device drivers Reinstalling software programsSolving recovery problems Advanced startup options Refreshing your computer88ThinkCentre User Guide Starting the Setup Utility program Chapter 7. Using the Setup Utility programViewing and changing settings Using passwordsPower-OnPassword Password considerationsAdministrator Password Hard Disk PasswordEnabling or disabling a device Erasing lost or forgotten passwords clearing CMOSSelecting a temporary startup device Selecting a startup deviceSelecting or changing the startup device sequence Enabling ErP compliance modeICE thermal alert ICE performance mode•Better Acoustic Performance default setting •DisabledExiting the Setup Utility program Updating flashing the BIOS from a disc Using system programsChapter 8. Updating system programs b.Click Downloads and drivers Recovering from a POST/BIOS update failureKeeping your computer current Chapter 9. Preventing problemsUpdating your operating system 2.Click Download & DriversBasics Using System UpdateCleaning and maintenance Computer Cleaning your computerKeyboard Optical mouseMoving your computer Good maintenance practicesCleaning a glass-screensurface Basic troubleshooting Chapter 10. Troubleshooting and diagnosticsTroubleshooting Troubleshooting procedureNo audio in Windows Audio problemsSound comes from one external speaker only CD problemsNo audio in DOS applications or games A CD or DVD does not work DVD problemsBlack screen instead of DVD video Playback is very slow or choppy DVD movie will not playInvalid disc or no disc found message Keyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work 1.Click Start Control PanelThe mouse or pointing device does not work The wireless keyboard does not workThe fingerprint reader does not work 3.Click Devices and PrintersWrong characters appear on the screen Monitor problemsThe image appears to be flickering The image is discolored Networking problemsYour computer cannot connect to the network Ethernet problems1.Click Start Control Panel 2.Click Hardware and SoundA wireless WAN problem A wireless LAN problemThe Wake on LAN feature is not working Bluetooth problem Option problemsAn option that was just installed does not work 3.Click Hardware and Sound SoundInsufficient free hard disk drive space Performance and lockup problems3.Click Disk Cleanup 3.Click Turn Windows features on or offExcessive number of fragmented files Printer problemsInsufficient memory 4.Click Clean up system filesSoftware problems Serial port problemsSoftware does not work as expected USB problems Notes Lenovo Solution Center118ThinkCentre User Guide Information resources Safety and WarrantyLenovo ThinkVantage Tools Lenovo WelcomeUsing the documentation and diagnostic program Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other services122ThinkCentre User Guide Lenovo United States, Inc Appendix A. Notices1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of LicensingTrademarks Export classification notice Appendix B. Regulatory informationElectronic emissions notices Deutschsprachiger EU Hinweis German Class B compliance statementDeutschland Lenovo product service information for Taiwan Additional regulatory informationJapanese VCCI Class B statement 128ThinkCentre User Guide Important WEEE information Appendix C. WEEE and recycling informationRecycling information Recycling 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 132ThinkCentre User Guide Ukraine RoHS China RoHS Turkish RoHS134ThinkCentre User Guide India RoHSAppendix E. ENERGY STAR model information 136ThinkCentre User Guide Index Page Page 140ThinkCentre User Guide