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Lenovo 2756D7U, 2697 manual Removing the WiFi card module

Models: 2697 2756D7U

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5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot.

Figure 67. Removing the WiFi adapter card

Note: The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.

Removing the WiFi card module

To remove the WiFi card module, do the following:

1.Remove the WiFi adapter card from the computer, and then disconnect the front and rear WiFi antenna cables from the WiFi card module.

Figure 68. Removing the WiFi antenna cables

78ThinkCentre User Guide

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Lenovo 2756D7U, 2697 manual Removing the WiFi card module

Contents

ThinkCentre User Guide Third Edition May Copyright Lenovo Chapter 2. Using your computer ContentsImportant safety information Chapter 5. Installing or replacingChapter 6. Recovery information Appendix A. Notices iv ThinkCentre User Guide Static electricity prevention Important safety informationService and upgrades Hazardous moving parts. Keep fingers and other body parts awayPower cords and power adapters Extension cords and related devicesPlugs and outlets External devicesHeat and product ventilation Modem safety information Operating environmentLaser compliance statement Power supply statementCleaning and maintenance DANGERx ThinkCentre User Guide Microprocessor FeaturesChapter 1. Product overview MemorySystem management features Security features Input/Output I/O featuresPower supply ExpansionPreinstalled software programs Preinstalled operating systemSpecifications Software overviewSoftware provided by Lenovo Lenovo Welcome Product RecoveryLenovo ThinkVantage Tools Fingerprint SoftwareThinkVantage Rescue and Recovery ThinkVantage Password ManagerThinkVantage Power Manager ThinkVantage System UpdateAntivirus software Lenovo Solution CenterAdobe Reader LocationsUSB 2.0 connector USB port Headphone connector Microphone connector Figure 1. Front connector, control, and indicator locationsHard disk drive activity indicator Power indicator Power switch USB 2.0 connector USB portConnector Locating connectors on the rear of your computerFigure 2. Rear connector locations DescriptionConnector DescriptionNote Your computer comes with one of the following system boards Locating componentsLocating parts on the system board Figure 3. Component locations1 4-pin microprocessor power connector 2 Microprocessor Figure 4. System board part locationsFigure 5. System board part locations 14 ThinkCentre User GuideLocating internal drives Machine type and model label The following is a sample of the machine type and model labelFigure 7. Machine type and model label Using the keyboard Chapter 2. Using your computerFrequently asked questions Using Windows shortcut keysUsing the wheel mouse Using the blue ThinkVantage buttonUsing a fingerprint reader Adjusting audioUsing CDs and DVDs Setting the volume from the desktopSetting the volume from Control Panel About your computer audioRecording a CD or DVD Handling and storing CD and DVD mediaPlaying a CD or DVD 1. Click Start All Programs Corel DVD MovieFactory Lenovo EditionFor detailed information about using the Corel DVD MovieFactory program, see the help system for the program 22 ThinkCentre User Guide Arranging your workspace Accessibility and comfortChapter 3. You and your computer ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Registering your computerMoving your computer to another country or region Replacement power cords For power cord information and part numbers, go toSecurity features Chapter 4. SecurityLocking the computer cover Figure 8. Installing a padlockAttaching a cable lock Attaching an integrated cable lock Using passwordsBIOS passwords Figure 10. Integrated cable lockUsing and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against viruses32 ThinkCentre User Guide Installing external options Chapter 5. Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devicesRemoving the computer cover Removing and reinstalling the front bezel Installing or replacing a PCI cardWhat to do next Figure 13. Opening the PCI card latch 36 ThinkCentre User Guideas shown to Installing or replacing a memory module Figure 15. Installing a PCI cardWhat to do next Figure 16. Removing a memory module What to do next Installing or replacing the optical driveFigure 18. Installing a memory module Figure 17. Opening the retaining clipsFigure 20. Installing the optical drive retainer Chapter 5. Installing or replacing hardwareFigure 19. Removing the optical drive Figure 22. Connecting the optical drive Installing or replacing the card readerFigure 21. Installing the optical drive What to do nextInstalling the card reader Figure 24. Installing the card reader retainerFigure 23. Removing the card reader retainer Figure 25. Installing the card reader Figure 26. Removing the card reader cover44 ThinkCentre User Guide What to do next Replacing the card readerFigure 28. Installing the card reader retainer Figure 27. Removing the card readerReplacing the battery Figure 29. Installing the card readerFigure 31. Installing a new battery Replacing the power supply assemblyFigure 30. Removing the old battery What to do nextHazardous moving parts. Keep fingers and other body parts away 48 ThinkCentre User GuideReplacing the heat sink and fan assembly Figure 32. Removing the screws for the power supply assemblyWhat to do next Figure 33. Removing the heat sink and fan assembly 50 ThinkCentre User GuideReplacing the microprocessor What to do next6. Lift the small handle to access the microprocessorFigure 34. Accessing the microprocessor and open the retainer14. Reconnect all cables that were disconnected from the system board Installing the solid state drive What to do next54 ThinkCentre User Guide Installing or replacing the mSATA solid state drive Installing the mSATA solid state driveWhat to do next 56 ThinkCentre User Guide Replacing the mSATA solid state drive Figure 41. Installing the mSATA solid state driveWhat to do next Figure 42. Removing the mSATA solid state drive storage converter 58 ThinkCentre User GuideFigure 44. Removing the mSATA solid state drive Figure 47. Installing the mSATA solid state drive What to do next60 ThinkCentre User Guide Replacing the primary hard disk drive Figure 48. Removing the primary hard disk driveWhat to do next Figure 49. Installing the hard disk drive into the bracketFigure 50. Installing the primary hard disk drive 62 ThinkCentre User GuideReplacing the secondary hard disk drive Figure 51. Removing the secondary hard disk driveWhat to do next Figure 52. Installing the hard disk drive into the bracketFigure 53. Installing the secondary hard disk drive 64 ThinkCentre User GuideReplacing the front fan assembly Figure 54. Removing the front fan assemblyReplacing the rear fan assembly Figure 55. Installing the front fan assemblyWhat to do next Figure 56. Removing the rear fan assembly Replacing the front audio and USB assembly Figure 57. Installing the rear fan assemblyWhat to do next Replacing the internal speaker What to do nextFigure 59. Removing the old internal speaker 70 ThinkCentre User GuideReplacing the thermal sensor Figure 60. Installing a new internal speakerWhat to do next 7. Pull the entire thermal sensor out of the chassis Figure 61. Removing the thermal sensorReplacing the cover presence switch Figure 62. Installing the new thermal sensorWhat to do next Figure 63. Removing the cover presence switch 74 ThinkCentre User GuideReplacing the WiFi units Removing the WiFi adapter cardWhat to do next Figure 65. Disconnecting the Bluetooth cable 76 ThinkCentre User Guide4. At the rear of the computer, press the release button to open the PCI card latchFigure 66. Opening the PCI card latch Removing the WiFi card module Installing the WiFi units Figure 71. Installing the WiFi card module 80 ThinkCentre User GuideFigure 72. Installing the WiFi antenna cables Figure 73. Installing the WiFi adapter cardRemoving the rear WiFi antenna Installing or removing the rear WiFi antennaInstalling the rear WiFi antenna What to do nextInstalling or removing the front WiFi antenna Installing the front WiFi antennaWhat to do next 6. Connect the front antenna cable to the WiFi card module Figure 77. Installing the front WiFi antennaFigure 76. Peeling off the paper that protects the sticker What to do next Removing the front WiFi antennaReplacing the keyboard or mouse What to do nextCompleting the parts replacement Figure 79. Connecting the USB keyboard or mouseWhat to do next Obtaining device drivers 88 ThinkCentre User Guide Chapter 6. Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation 3. Click the Restore your system from a backup icon Performing a recovery operationUsing the Rescue and Recovery workspace Chapter 6. Recovery informationCreating a rescue medium Creating and using a rescue mediumUsing a rescue medium 92 ThinkCentre User GuideReinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Solving recovery problems Reinstalling software programsReinstalling device drivers 94 ThinkCentre User GuideChapter 6. Recovery information 96 ThinkCentre User Guide Viewing and changing settings Chapter 7. Using the Setup Utility programStarting the Setup Utility program Using passwordsAdministrator Password Password considerationsPower-On Password Hard Disk PasswordUSB Setup Erasing lost or forgotten passwords clearing CMOSEnabling or disabling a device SATA ControllerSelecting a temporary startup device Enabling ErP compliance modeSelecting a startup device Selecting or changing the startup device sequenceBetter Acoustic Performance default setting ICE performance modeICE thermal alert DisabledExiting the Setup Utility program 102 ThinkCentre User GuideUsing 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 failure2. Click Download Drivers & Software 3. Click Use Quick Path Getting the latest device drivers for your computer Chapter 9. Preventing problemsKeeping your computer current Updating your operating systemCleaning and maintenance Using System UpdateBasics 2. Double-click Update and DriversKeyboard Cleaning your computerComputer Optical mouseGood maintenance practices Moving your computerCleaning a glass-screen surface Chapter 10. Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure Troubleshooting110 ThinkCentre User Guide Audio problems No audio in WindowsCD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems A CD or DVD does not workBlack 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 messageAll or some keys on the keyboard do not work Intermittent problemsKeyboard, mouse, or pointing device problems The mouse or pointing device does not workThe pointer on the screen does not move smoothly with the mouse Monitor problemsThe wireless keyboard does not work The fingerprint reader does not workWrong characters appear on the screen The image appears to be flickeringThe image is discolored Networking problemsEthernet problems Your computer cannot connect to the networkThe Wake on LAN feature is not working 1. Click Start Control Panel 2. Click Hardware and SoundThe adapter stops working for no apparent reason Bluetooth problems A wireless LAN problemA wireless WAN problem Sound does not come from the Bluetooth headphoneOption problems An option that was just installed does not workAn option that previously worked does not work now Excessive number of fragmented files Performance and lockup problemsInsufficient free hard disk drive space 3. Click Disk CleanupInsufficient memory Printer problemsSerial port problems 2. Click Start ComputerSoftware problems When using a sort feature, dates do not sort in the correct orderSoftware does not work as expected USB problems Lenovo Solution Center126 ThinkCentre User Guide Information resources Chapter 11. Getting information, help, and serviceSafety and Warranty Lenovo ThinkVantage ToolsCalling for service Help and serviceUsing the documentation and diagnostic program Lenovo Support Web siteUsing other services Purchasing additional services130 ThinkCentre User Guide Appendix A. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Federal Communications Commission Declaration of ConformityGerman Class B compliance statement Deutschsprachiger EU Hinweis DeutschlandJapanese VCCI Class B statement Additional regulatory informationLenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan136 ThinkCentre User Guide Recycling information Appendix C. WEEE and recycling informationImportant information for the European Directive 2002/96/EC EU OnlyDeclarações de Reciclagem no Brasil Battery recycling information for TaiwanRecycling information for Brazil Descarte de um Produto Lenovo Fora de UsoBattery recycling information for the European Union Appendix C. WEEE and recycling information140 ThinkCentre User Guide Appendix D. Ek Bilgiler 9. Bağlantı ve montaja ilişkin bilgiler Appendix E. Servis istasyonlari Garanti Hizmetinin Alınabileceği Merkezler144 ThinkCentre User Guide Appendix E. Servis istasyonlari 146 ThinkCentre User Guide Posta Kodu 148 ThinkCentre User Guide Telefon 414 215 05 Faks no 414 212 22 TRABZON ŞANLIURFAAdresi Kızılay İşhanı, Kat1-2 Şanlıurfa Adresi Kahramanmaraş Cad. İpekyolu İş Merk. Kat4 No 7 Trabzon150 ThinkCentre User Guide Index internal drives passwordsworkspace, Rescue and Recovery softwareflashing the BIOS 154 ThinkCentre User Guide