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Lenovo 2112, 2111, 2110, 2011, 1663 Removing the cover presence switch, 68ThinkCentre User Guide

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

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Figure 52. Removing the cover presence switch

6.Remove the screw that secures the cover presence switch and remove the cover presence switch from the chassis.

Figure 52. Removing the cover presence switch

68ThinkCentre User Guide

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Lenovo 2112, 2111, 2110, 2011, 1663, 1565, 1662, 1562, 1766, 1765 Removing the cover presence switch, 68ThinkCentre User Guide

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Chapter 6. Recovery information Appendix A. Notices ivThinkCentre User Guide Static electricity prevention Important safety informationService and upgrades Power cords and power adapters Extension cords and related devicesHeat and product ventilation Plugs and outletsExternal devices viiiThinkCentre User Guide Modem safety informationOperating environment Power supply statement Cleaning and maintenanceLaser compliance statement DANGERxThinkCentre User Guide Features Chapter 1. Product overviewMicroprocessor MemorySystem management features ConnectivityInput/Output I/O features Power supplySecurity features ExpansionPreinstalled software programs Preinstalled operating systemSpecifications Lenovo programsDimensions WeightAccessing Lenovo programs from Control Panel ProgramIcon name ProgramAn introduction to Lenovo programs •Communications Utility•Fingerprint Software •Lenovo Cloud Storage•Lenovo Solution Center •Password Manager•Power Manager •Recovery Media•View Management Utility Locations•System Update Locating connectors on the rear of your computer Figure 2. Rear connector locationsConnector DescriptionLocating components Figure 3. Component locationsLocating parts on the system board Figure 4. System board part locationsLocating internal drives Machine type and model label Figure 6. Machine type and model label16ThinkCentre User Guide Chapter 2. Using your computer Frequently asked questionsWhere are my recovery discs? 2.Click Settings 3.Click Control PanelUsing the keyboard Using Windows shortcut keysUsing the blue ThinkVantage button Using a fingerprint readerUsing the wheel mouse Adjusting audioSetting the volume from the desktop About your computer audioHandling and storing CD and DVD media Setting the volume from Control PanelUsing CDs and DVDs Playing a CD or DVD Recording a CD or DVD22ThinkCentre User Guide Accessibility and comfort Chapter 3. You and your computerArranging your workspace ComfortElectrical outlets and cable lengths Glare and lightingAir circulation Moving your computer to another country or region Voltage-selectionswitchRegistering your computer Replacement power cords Security features Chapter 4. SecurityLocking the computer cover Figure 7. Installing a padlockAttaching a cable lock Using passwords BIOS passwordsAttaching an integrated cable lock Figure 9. Integrated cable lockWindows passwords Configuring the fingerprint readerUsing and understanding firewalls Protecting data against viruses32ThinkCentre User Guide Chapter 5. Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitivedevicesRemoving the computer cover What to do next Removing and reinstalling the front bezelInstalling or replacing a PCI card To install or replace a PCI card, do the following Notes as shown toWhat to do next Installing or replacing a memory moduleFigure 14. Installing a PCI card UDIMM DIMMDIMM DIMMInstalling or replacing the optical drive Figure 17. Installing a memory moduleWhat to do next Figure 16. Opening the retaining clipsFigure 19. Installing the optical drive retainer Figure 18. Removing the optical driveInstalling or replacing the card reader Figure 20. Installing the optical driveFigure 21. Connecting the optical drive What to do nextInstalling the card reader 44ThinkCentre User Guide Figure 24. Installing the card readerFigure 25. Removing the card reader cover Replacing the card reader What to do nextReplacing the battery Replacing the power supply assembly What to do next48ThinkCentre User Guide Replacing the heat sink and fan assembly What to do nexta.Partially remove screw b.Partially remove screw NotesReplacing the microprocessor What to do next6. Lift the small handle NotesReplacing the primary hard disk drive What to do nextFigure 35. Removing the primary hard disk drive 54ThinkCentre User GuideWhat to do next Replacing the secondary hard disk driveFigure 37. Installing the primary hard disk drive Figure 38. Removing the secondary hard disk drive 56ThinkCentre User GuideInstalling the solid-statedrive What to do next58ThinkCentre User Guide What to do next Replacing the front fan assemblyFigure 43. Removing the front fan assembly What to do next Replacing the rear fan assemblyFigure 44. Installing the front fan assembly Figure 45. Removing the rear fan assembly What to do next Replacing the front audio and USB assemblyFigure 46. Installing the rear fan assembly Replacing the internal speaker What to do nextTo replace the internal speaker, do the following Replacing the thermal sensor What to do nextFigure 50. Removing the thermal sensor 66ThinkCentre User GuideReplacing the cover presence switch What to do nextFigure 52. Removing the cover presence switch 68ThinkCentre User GuideReplacing the WiFi units What to do nextRemoving the WiFi adapter card Removing the WiFi card module Installing the WiFi units Figure 59. Installing the WiFi card module Figure 60. Installing the WiFi antenna cables Figure 61. Installing the WiFi adapter cardWhat to do next 74ThinkCentre User GuideInstalling or removing the rear WiFi antenna Installing the rear WiFi antennaRemoving the rear WiFi antenna What to do nextWhat to do next Installing or removing the front WiFi antennaInstalling the front WiFi antenna Figure 65. Installing the front WiFi antenna Removing the front WiFi antenna Replacing the keyboard or mouseWhat to do next What to do nextWhat to do next Completing the parts replacementFigure 67. Connecting the USB keyboard or mouse Obtaining device drivers Notes Chapter 6. Recovery informationCreating and using recovery media Performing backup and recovery operations Creating recovery mediaUsing recovery media Performing a backup operationUsing the Rescue and Recovery workspace Performing a recovery operationCreating and using a rescue medium Using a rescue mediumCreating a rescue medium NotesReinstalling preinstalled applications Reinstalling preinstalled device driversSolving recovery problems Reinstalling software programsReinstalling device drivers Refreshing your computer Advanced startup options88ThinkCentre User Guide Chapter 7. Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-OnPasswordAdministrator Password Hard Disk PasswordErasing lost or forgotten passwords clearing CMOS Enabling or disabling a deviceSelecting a startup device Selecting a temporary startup deviceSelecting or changing the startup device sequence Enabling ErP compliance modeICE performance mode ICE thermal alert•Better Acoustic Performance default setting •DisabledExiting the Setup Utility program Chapter 8. Updating system programs Using system programsUpdating flashing the BIOS from a disc Recovering from a POST/BIOS update failure b.Click Downloads and driversChapter 9. Preventing problems Keeping your computer currentUpdating your operating system 2.Click Download & DriversCleaning and maintenance Using System UpdateBasics Cleaning your computer ComputerKeyboard Optical mouseCleaning a glass-screensurface 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 Invalid disc or no disc found message DVD movie will not playPlayback is very slow or choppy Intermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work 1.Click Start Control PanelThe wireless keyboard does not work The mouse or pointing device does not workThe fingerprint reader does not work 3.Click Devices and PrintersThe image appears to be flickering Monitor problemsWrong characters appear on the screen Networking problems The image is discoloredEthernet problems Your computer cannot connect to the network1.Click Start Control Panel 2.Click Hardware and SoundThe Wake on LAN feature is not working A wireless LAN problemA wireless WAN problem Option problems Bluetooth problemAn option that was just installed does not work 3.Click Hardware and Sound SoundPerformance and lockup problems Insufficient free hard disk drive space3.Click Disk Cleanup 3.Click Turn Windows features on or offPrinter problems Excessive number of fragmented filesInsufficient memory 4.Click Clean up system filesSoftware does not work as expected Serial port problemsSoftware problems USB problems 118ThinkCentre User Guide Lenovo Solution CenterNotes Safety and Warranty Information resourcesLenovo ThinkVantage Tools Lenovo WelcomeHelp and service Using the documentation and diagnostic programCalling for service Lenovo Support Web siteUsing other services Purchasing additional services122ThinkCentre User Guide Appendix A. Notices Lenovo United States, Inc1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of LicensingTrademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Deutschland German Class B compliance statementDeutschsprachiger EU Hinweis Japanese VCCI Class B statement Additional regulatory informationLenovo product service information for Taiwan 128ThinkCentre User Guide Recycling information Appendix C. WEEE and recycling informationImportant WEEE information Battery recycling information for Taiwan Recycling information for BrazilDeclarações de Reciclagem no Brasil Descarte de um Produto Lenovo Fora de UsoAppendix C. WEEE and recycling information 132ThinkCentre User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS 134ThinkCentre User GuideAppendix E. ENERGY STAR model information 136ThinkCentre User Guide Index Page Page 140ThinkCentre User Guide