Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo 3224, 2988 Installing or removing the rear WiFi antenna, Installing the rear WiFi antenna

Models: 2756 2800 2934 2945 2941 2932 2929 2961 3183 3218 3181 3227 3198 3209 3207 3185 3214 3187 3202 3224 3306 3395 3393 2996 2993 2982 2992E5U 2988

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Installing or removing the rear WiFi antenna

3.Install the WiFi adapter card into the PCI Express x1 slot on the system board. See “Locating parts on the system board” on page 12.

4.If the installed WiFi card module supports the Bluetooth function, use a Bluetooth cable to connect the Bluetooth connector on the WiFi adapter card to the front USB connector on the system board.

5.Pivot the card latch to the closed position to secure the WiFi adapter card.

Figure 69. Installing the WiFi adapter card

What to do next:

•To work with another piece of hardware, go to the appropriate section.

•To complete the installation or replacement, go to “Completing the parts replacement” on page 85.

Installing or removing the rear WiFi antenna

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to install or remove the rear WiFi antenna.

Installing the rear WiFi antenna

To install the rear WiFi antenna, do the following:

1.Turn off the computer and disconnect all power cords from electrical outlets.

2.Install the rear WiFi antenna to the rear WiFi antenna cable connector attached on the rear of the computer.

3.Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident.

80ThinkCentre User Guide

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Lenovo 3224, 2988, 2992E5U Installing or removing the rear WiFi antenna, Installing the rear WiFi antenna, What to do next

Contents

ThinkCentre User Guide Second Edition September Copyright Lenovo Contents Important safety informationChapter 2. Using your computer Chapter 5. Installing or replacingChapter 6. Recovery information Appendix A. Notices iv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Hazardous moving parts. Keep fingers and other body parts awayPower cords and power adapters Extension cords and related devicesHeat and product ventilation Plugs and outletsExternal devices Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement DANGERx ThinkCentre User Guide Features Chapter 1. Product overviewMicroprocessor MemorySystem management features ConnectivityInput/Output I/O features Power supplySecurity features Preinstalled software programsSpecifications DimensionsWeight EnvironmentAccessing Lenovo programs on the Windows 7 operating system Lenovo programsAccessing Lenovo programs from the Lenovo ThinkVantage Tools program Accessing Lenovo programs from Control PanelCommunications Utility Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Lenovo Solution Center Password ManagerPower Manager Recovery MediaLocations Rescue and RecoverySystem Update SimpleTapFigure 1. Front connector, control, and indicator locations Optical drive eject/close button Power switchHard disk drive activity indicator Power indicator USB 2.0 connector USB port Microphone connector Headphone connectorLocating connectors on the rear of your computer Figure 2. Rear connector locationsPower cord connector VGA monitor connectorConnector DescriptionLocating components Locating parts on the system board1 4-pin microprocessor power connector 2 Microprocessor Figure 4. System board part locationsFigure 5. System board part locations 14 ThinkCentre User GuideLocating internal drives Figure 7. Machine type and model label Machine type and model labelThe following is a sample of the machine type and model label Chapter 2. Using your computer Frequently asked questionsAccessing Control Panel on the Windows 8 operating system Where are my recovery discs?Using 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 audioSetting the volume from Control Panel Using CDs and DVDsHandling and storing CD and DVD media 2. In the Sound topic, click Adjust system volumePlaying a CD or DVD Recording a CD or DVD22 ThinkCentre 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-selection switchRegistering your computer Replacement power cords For power cord information and part numbers, go toSecurity features Chapter 4. SecurityUsing passwords BIOS passwordsAttaching an integrated cable lock Figure 8. Integrated cable lockWindows passwords Configuring the fingerprint readerUsing and understanding firewalls Protecting data against viruses30 ThinkCentre User Guide Chapter 5. Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving and reinstalling the front bezel Opening the computer cover2. Open the computer cover. See “Opening the computer cover” on page Figure 10. Removing the front bezelAccessing the system board components and drives What to do nextInstalling or replacing a memory module 36 ThinkCentre User Guide Figure 12. Removing a memory moduleFigure 13. Opening the retaining clips What to do next Installing or replacing a PCI cardFigure 14. Installing a memory module as shown to What to do next Installing or replacing the card readerInstalling the card reader Figure 17. Installing the card reader 40 ThinkCentre User GuideFigure 19. Removing the card reader cover Figure 18. Installing the screw that secures the card readerWhat to do next Replacing the card reader Figure 20. Removing the screw that secures the card readerFigure 21. Installing the card reader What to do next Installing or replacing the mSATA solid state driveInstalling the mSATA solid state drive Figure 23. Installing the mSATA solid state drive into the storage converter Figure 25. Installing the mSATA solid state drive storage converter 46 ThinkCentre User GuideReplacing the mSATA solid state drive What to do nextFigure 27. Removing the mSATA solid state drive storage converter 48 ThinkCentre User GuideFigure 29. Removing the mSATA solid state drive Figure 32. Installing the mSATA solid state drive storage converter 50 ThinkCentre User GuideWhat to do next Replacing the batteryFigure 33. Installing the screw that secures the storage converter Installing the solid state disk Figure 34. Removing the old batteryFigure 35. Installing a new battery What to do nextTo install the solid state disk, do the following Figure 38. Removing the hard disk drive Replacing the hard disk driveWhat to do next 2 , pin What to do next Replacing the optical driveFigure 40. Installing the hard disk drive Figure 41. Pivoting the optical drive bay and slide the optical drive out of the rear of the drive bay assembly Figure 43. Installing the optical drive retainer7. Press the optical drive lock Figure 42. Removing the old optical driveWhat to do next Replacing the heat sink and fan assemblyFigure 44. Installing a new optical drive a. Partially remove screw b. Partially remove screw a. Partially tighten screw b. Partially tighten screw What to do next Replacing the power supply assemblyFigure 47. Installing the heat sink fan duct Hazardous moving parts. Keep fingers and other body parts away Figure 48. Removing the heat sink fan duct 64 ThinkCentre User GuideFigure 49. Power connectors on the system board Note Use only screws provided by Lenovo What to do next Replacing the microprocessorFigure 52. Installing the heat sink fan duct 5. Lift the small handle Figure 55. Installing the microprocessor 70 ThinkCentre User Guide Replacing the cover presence switchWhat to do next Figure 57. Removing the cover presence switch What to do next Replacing the internal speakerFigure 58. Installing the new cover presence switch Figure 59. Removing the internal speaker What to do next Replacing the front audio and USB assemblyFigure 60. Installing the new internal speaker Figure 61. Removing the front audio and USB assembly What to do nextReplacing the WiFi units Removing the WiFi adapter cardRemoving the WiFi card module Installing the WiFi units Figure 67. Installing the WiFi card module Figure 68. Connecting the WiFi antenna cablesWhat to do next Installing or removing the rear WiFi antennaInstalling the rear WiFi antenna What to do next Removing the rear WiFi antennaFigure 70. Installing the rear WiFi antenna What to do next Installing or removing the front WiFi antennaInstalling the front WiFi antenna Figure 73. Installing the front WiFi antenna Figure 72. Peeling off the paper that protects the stickerRemoving the front WiFi antenna Figure 74. Removing the front WiFi antennaWhat to do next What to do nextCompleting the parts replacement Replacing the keyboard or mouseFigure 75. Connecting a new keyboard or mouse What to do nextObtaining device drivers 86 ThinkCentre User GuideCreating and using recovery media Chapter 6. Recovery informationRecovery information for the Windows 7 operating system Performing backup and recovery operations Creating recovery mediaUsing recovery media Performing a backup operation3. Click the Restore your system from a backup icon Using the Rescue and Recovery workspacePerforming a recovery operation Creating a rescue medium Creating and using a rescue mediumUsing a rescue medium Reinstalling preinstalled device drivers Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Reinstalling software programs Reinstalling device driversSolving recovery problems 92 ThinkCentre User GuideRecovery information for the Windows 8 operating system Resetting your computer to the factory default settingsRefreshing your computer Advanced startup options94 ThinkCentre User Guide Chapter 7. Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-On PasswordAdministrator Password Hard Disk PasswordErasing lost or forgotten passwords clearing CMOS Enabling or disabling a deviceUSB Setup SATA ControllerSelecting a startup device Selecting a temporary startup deviceSelecting or changing the startup device sequence Enabling ErP compliance modeICE performance mode ICE thermal alertBetter Acoustic Performance default setting DisabledExiting the Setup Utility program 100 ThinkCentre User GuideChapter 8. Updating system programs Using system programsUpdating flashing the BIOS from a disc 2. Click Download Drivers & Software 3. Click Use Quick Path Updating flashing the BIOS from your operating systemRecovering from a POST/BIOS update failure Chapter 9. Preventing problems Keeping your computer currentGetting the latest device drivers for your computer Updating your operating systemUsing System Update BasicsCleaning and maintenance “Basics” on page “Cleaning your computer” on page “Computer” on pageCleaning your computer ComputerKeyboard Optical mouseCleaning a glass-screen surface 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 DVD movie will not play No audio or intermittent audio while playing DVD moviePlayback is very slow or choppy Invalid disc or no disc found messageIntermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work 1. Click Start Control Panel 2. Click Hardware and SoundThe wireless keyboard does not work The mouse or pointing device does not workThe pointer on the screen does not move smoothly with the mouse The fingerprint reader does not workThe 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 Sound 2. Click Hardware and SoundThe Wake on LAN feature is not working A wireless LAN problemA wireless WAN problem Option problems Bluetooth problemsAn option that was just installed does not work Sound does not come from the Bluetooth headphonePerformance and lockup problems An option that previously worked does not work nowInsufficient free hard disk drive space 1. Click Start ComputerExcessive number of fragmented files 3. Click Disk Cleanup2. Click Programs 3. Click Turn Windows features on or off 3. Click Disk Cleanup 4. Click Clean up system filesPrinter problems Serial port problemsInsufficient memory 5. Click OptimizeSoftware does not work as expected Software problemsWhen using a sort feature, dates do not sort in the correct order 124 ThinkCentre User Guide USB problemsLenovo Solution Center Chapter 11. Getting information, help, and service Safety and WarrantyInformation resources Lenovo ThinkVantage ToolsHelp and service Using the documentation and diagnostic programCalling for service Lenovo Support Web siteUsing other services Purchasing additional services128 ThinkCentre User Guide Morrisville, NC U.S.A Attention Lenovo Director of Licensing Appendix A. NoticesLenovo United States, Inc 1009 Think Place - Building One Trademarks Appendix B. Regulatory information Export classification noticeElectronic emissions notices Federal Communications Commission Declaration of ConformityGerman Class B compliance statement Deutschsprachiger EU Hinweis DeutschlandAdditional regulatory information Lenovo product service information for TaiwanJapanese VCCI Class B statement Keyboard and mouse compliance statement for Taiwan134 ThinkCentre 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 UsoBattery recycling information for the European Union Appendix C. WEEE and recycling information138 ThinkCentre User Guide Ukraine RoHS Appendix D. Restriction of Hazardous Substances Directive RoHSChina RoHS Turkish RoHS India RoHS RoHS compliant as per E-Waste Management & Handling RulesAppendix E. ENERGY STAR model information 142 ThinkCentre User Guide Index Page flashing the BIOS 146 ThinkCentre User Guide