Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo 3395, 2988 Installing the WiFi units, Removing the screws that secure the WiFi card module

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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2. Remove the two screws that secure the WiFi card module to the WiFi adapter card.

Figure 65. Removing the screws that secure the WiFi card module

3. Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card.

Figure 66. Removing the WiFi card module

Installing the WiFi units

To install the WiFi units, do the following:

78ThinkCentre User Guide

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Lenovo 3395, 2988, 2992E5U, 2982, 2993, 2996 Installing the WiFi units, Removing the screws that secure the WiFi card module

Contents

ThinkCentre User Guide Second Edition September Copyright Lenovo Contents Recovery information Appendix A. Notices 129 Iv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Power cords and power adapters Extension cords and related devices Plugs and outlets External devicesHeat and product ventilation Modem safety information Operating environment Power supply statement Cleaning and maintenanceLaser compliance statement ThinkCentre User Guide Features Product overview System management features Connectivity Security features Input/Output I/O featuresPower supply Preinstalled software programs Specifications Environment Accessing Lenovo programs on the Windows 7 operating system Accessing Lenovo programs from Control PanelLenovo programs Accessing Lenovo programs on the Windows 8 operating system An introduction to Lenovo programsCommunications Utility Power Manager Lenovo Solution CenterPassword Manager Recovery Media Locations Rescue and RecoverySystem Update SimpleTap Front connector, control, and indicator locations Locating connectors on the rear of your computer Connector Description Connector Description Locating components Locating parts on the system board System board part locations System board part locations Locating internal drives Drive bay locations Machine type and model label Machine type and model label Accessing Control Panel on the Windows 8 operating system Using your computerFrequently asked questions Where can I find help about the Windows operating system? Using the blue ThinkVantage button Using the keyboardUsing Windows shortcut keys Using a fingerprint reader Setting the volume from the desktop Using the wheel mouseAdjusting audio Adding the volume icon to the taskbar Sound topic, click Adjust system volume Setting the volume from Control PanelUsing CDs and DVDs Handling and storing CD and DVD media Playing a CD or DVD Recording a CD or DVD ThinkCentre User Guide Arranging your workspace Accessibility and comfortYou and your computer Comfort Glare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Registering your computerMoving your computer to another country or region Replacement power cords Security features Security Using passwords Bios passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against viruses ThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devices Removing and reinstalling the front bezel Opening the computer cover Removing the front bezel Accessing the system board components and drives What to do next Installing or replacing a memory module Removing a memory module Installing or replacing a PCI card Installing a memory module Removing a PCI card Installing or replacing the card reader Installing the card reader Installing the card reader Installing the screw that secures the card reader Replacing the card reader Removing the screw that secures the card reader Installing the card reader Installing or replacing the mSATA solid state drive Installing the mSATA solid state drive Installing or replacing hardware Installing the mSATA solid state drive storage converter Replacing the mSATA solid state drive Removing the mSATA solid state drive storage converter Removing the mSATA solid state drive Installing the mSATA solid state drive storage converter Replacing the battery Installing the screw that secures the storage converter Installing the solid state disk Removing the old battery Installing the solid state disk into the adapter Replacing the hard disk drive Removing the hard disk drive Removing the hard disk drive from the bracket Installing the hard disk drive Replacing the optical drive Pivoting the optical drive bay Removing the old optical drive Replacing the heat sink and fan assembly Installing a new optical drive Screws that secure the heat sink and fan assembly Removing the heat sink fan duct Replacing the power supply assembly Installing the heat sink fan duct Installing or replacing hardware Removing the heat sink fan duct Power connectors on the system board Removing the power supply assembly Replacing the microprocessor Accessing the microprocessor Installing the microprocessor Replacing the cover presence switch Removing the cover presence switch Installing the new cover presence switch Replacing the internal speaker Removing the internal speaker Replacing the front audio and USB assembly Installing the new internal speaker Removing the front audio and USB assembly Replacing the WiFi units Removing the WiFi adapter card Removing the WiFi card module Removing the WiFi adapter card Installing the WiFi units Removing the screws that secure the WiFi card module Installing the WiFi card module Installing or removing the rear WiFi antenna Installing the rear WiFi antenna Removing the rear WiFi antenna Installing the rear WiFi antenna Installing or removing the front WiFi antenna Installing the front WiFi antenna Peeling off the paper that protects the sticker Removing the front WiFi antenna Removing the front WiFi antenna Completing the parts replacement Replacing the keyboard or mouse Obtaining device drivers Recovery information Recovery information for the Windows 7 operating systemCreating and using recovery media Using recovery media Performing backup and recovery operationsCreating recovery media Performing a backup operation Using the Rescue and Recovery workspace Performing a recovery operationClick the Restore your system from a backup icon Creating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling software programs Reinstalling device driversSolving recovery problems Recovery information for the Windows 8 operating system Refreshing your computer ThinkCentre User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Administrator Password Password considerationsPower-On Password Hard Disk Password Erasing lost or forgotten passwords clearing Cmos Enabling or disabling a device Selecting a temporary startup device Enabling ErP compliance modeSelecting a startup device Selecting or changing the startup device sequence ICE performance mode DisabledICE thermal alert Exiting the Setup Utility program Updating system programs Using system programsUpdating flashing the Bios from a disc 101 Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureClick Download Drivers & Software Click Use Quick Path Getting the latest device drivers for your computer Preventing problemsKeeping your computer current Updating your operating system Using System Update Basics Keyboard Cleaning your computerComputer Optical mouse Good maintenance practices Cleaning a glass-screen surfaceMoving your computer Troubleshooting and diagnostics Basic troubleshooting107 Troubleshooting procedure Troubleshooting Audio problems No audio in Windows CD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems 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 message Intermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work Pointer on the screen does not move smoothly with the mouse Wireless keyboard does not workMouse or pointing device does not work Fingerprint reader does not work Monitor problems Wrong characters appear on the screenImage appears to be flickering Networking problems Image is discolored Click Start Control Panel Click Hardware and Sound Ethernet problemsYour computer cannot connect to the network Adapter stops working for no apparent reason Wireless LAN problem Wireless WAN problemWake on LAN feature is not working An option that was just installed does not work Option problemsBluetooth problems Sound does not come from the Bluetooth headphone Insufficient free hard disk drive space Performance and lockup problemsAn option that previously worked does not work now Click Start Computer Excessive number of fragmented files Insufficient memory Printer problemsSerial port problems Click Optimize Software problems Software does not work as expected USB problems Lenovo Solution Center Getting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic program Lenovo Support Web site Using other services Purchasing additional services ThinkCentre User Guide Appendix A. Notices 129 Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Federal Communications Commission Declaration of Conformity ThinkCentre User Guide Additional regulatory information ThinkCentre User Guide Recycling information Appendix C. Weee and recycling informationImportant Weee information 135 Battery recycling information for Taiwan Recycling information for Brazil Battery recycling information for the European Union ThinkCentre User Guide China RoHS Turkish RoHS Ukraine RoHS139 India RoHS Appendix E. Energy Star model information 141 ThinkCentre User Guide Index 143 Setting, changing, deleting 145 ThinkCentre User Guide