Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo 3263, 3267, 3264, 3273 Removing the rear WiFi antennas, Installing the rear WiFi antennas

Models: 4004 3263 3264 4156 3261 3267 3856 3273

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

2.Install the two rear WiFi antennas to the rear WiFi antenna cable connectors attached on the rear of the computer.

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

Figure 62. Installing the rear WiFi antennas

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 75.

Removing the rear WiFi antennas

To remove the rear WiFi antennas, do the following:

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

2.Straighten the rear WiFi antennas so that it can be more easily twisted.

68ThinkCentre User Guide

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Lenovo 3263, 3267, 3264, 3273, 4156, 4004, 3856, 3261 manual Removing the rear WiFi antennas, Installing the rear WiFi antennas

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices 121 Appendix E. Energy Star model information Index Iv ThinkCentre User Guide Service and upgrades Important safety informationStatic electricity prevention Power cords and power adapters Extension cords and related devicesPlugs and outlets General battery noticeExternal devices Rechargeable battery notice Heat and product ventilationModem safety information Operating environmentLaser compliance statement Power supply statementCleaning and maintenance Additional important informationCopyright Lenovo Xii ThinkCentre User Guide Features Product overviewPower adapter System management featuresInput/Output I/O features Security featuresPreinstalled software programs Preinstalled operating systemAccessing Lenovo programs on the Windows 7 operating system SpecificationsLenovo programs Accessing Lenovo programs from Control Panel Program Icon nameCommunications Utility Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Fingerprint SoftwarePassword Manager Lenovo SettingsLenovo Solution Center Power ManagerLocations System UpdateView Management Utility Front connector, control, and indicator locations Locating connectors on the rear of your computer Connector DescriptionLocating components Component locationsLocating parts on the system board System board part locationsMachine type and model label Machine type and model labelThinkCentre User Guide 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 readerSetting the volume from the desktop Using the wheel mouseAdjusting audio Adding the volume icon to the taskbarSound section, click Adjust system volume Setting the volume from Control PanelUsing CDs and DVDs Handling and storing CD and DVD mediaPlaying a CD or DVD Recording a CD or DVDThinkCentre User Guide Arranging your workspace Accessibility and comfortYou and your computer ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Registering your computer Voltage-selection switchMoving your computer to another country or region Replacement power cords Security features SecurityBios passwords Using passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against virusesThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devicesInstalling or removing the vertical stand Installing the vertical standInstalling or removing the Vesa mount bracket Removing the computer from the vertical standInstalling the Vesa mount bracket Removing the computer cover What to do nextRemoving the computer cover screw Installing or replacing a memory module Removing the computer coverRemoving the memory module Replacing the optical drive Removing the optical drive boxRemoving the optical drive from the optical drive box Installing the optical drive metal plate Installing the screw that secures the optical drive Installing the optical drive box Installing the screw that secures the optical drive box Replacing the secondary hard disk driveRemoving the optical drive box Removing the secondary hard disk drive from the adapter Installing a new hard disk drive into the adapter Installing the adapter bracket into the optical drive box Installing the optical drive box Replacing the battery What to do nextReplacing the ac power adapter Removing the old batteryDisconnecting the ac power adapter Replacing the ac power adapter bracket Connecting the new ac power adapterRemoving the ac power adapter bracket Replacing the power switch board Removing the screw that secures the power switch boardRemove the power switch board from the computer Installing the screw that secures the power switch board Replacing the heat sinkLift the failing heat sink off the system board Installing the heat sink Accessing the microprocessor Replacing the microprocessorRemoving the microprocessor Installing the microprocessor Replacing the hard disk drive bracketRemoving the screws that secure the hard disk drive bracket Removing the hard disk drive bracket Installing the hard disk drive bracket Replacing the WiFi card module Removing the WiFi card module cable and screwsRemoving the WiFi card module Installing or removing the rear WiFi antenna Installing the rear WiFi antennaRemoving the rear WiFi antenna Installing or removing two rear WiFi antennasInstalling the rear WiFi antennas Removing the rear WiFi antennas Installing the rear WiFi antennasRemoving the rear WiFi antennas Replacing the system fanLift the failing system fan off the system board Install the four screws that secure the system fan Replacing the internal speaker What to do nextRemoving the internal speaker Installing a new internal speaker Replacing the keyboard or mouseCompleting the parts replacement Connecting the USB keyboard or mouseInstalling the computer cover Installing the computer cover screw Obtaining device driversThinkCentre User Guide Recovery information for the Windows 7 operating system Recovery informationCreating and using recovery media Using recovery media Performing backup and recovery operationsCreating recovery media Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspaceClick the Restore your system from a backup icon Using a rescue medium Creating and using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications Reinstalling preinstalled applications and device driversReinstalling preinstalled device drivers Reinstalling device drivers Reinstalling software programsSolving recovery problems Recovery information for the Windows 8 operating system Refreshing your computerThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Administrator Password Password considerationsPower-On Password Hard Disk PasswordErasing lost or forgotten passwords clearing Cmos Enabling or disabling a deviceSelecting a temporary startup device Enabling ErP compliance modeSelecting a startup device Selecting or changing the startup device sequenceExiting the Setup Utility program ThinkCentre User Guide Updating flashing the Bios from a disc Using system programsUpdating system programs Recovering from a POST/BIOS update failure Updating flashing the Bios from your operating systemClick Download Drivers & Software Click Use Quick Path Getting the latest device drivers for your computer Preventing problemsKeeping your computer current Updating your operating systemUsing System Update BasicsKeyboard Cleaning your computerComputer Optical mouseCleaning a glass-screen surface Good maintenance practicesMoving your computer Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingAudio problems No audio in WindowsSound comes from one external speaker only CD problemsNo audio in DOS applications or games CD or DVD does not work DVD problemsBlack 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 messageKeyboard, mouse, or pointing device problems Intermittent 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 workWrong characters appear on the screen Monitor problemsImage appears to be flickering Networking problems Image is discoloredClick Start Control Panel Click Hardware and Sound Ethernet problemsYour computer cannot connect to the network Adapter stops working for no apparent reasonWireless WAN problem Wireless LAN problemWake on LAN feature is not working An option that was just installed does not work Option problemsBluetooth problem An option that previously worked does not work nowClick Programs Click Turn Windows features on or off Performance and lockup problemsClick Disk Cleanup Insufficient free hard disk drive spaceExcessive number of fragmented files Printer problemsInsufficient memory Software problems Serial port problemsSoftware 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 siteUsing other services Purchasing additional servicesThinkCentre User Guide Appendix A. Notices 121Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Federal Communications Commission Declaration of ConformityThinkCentre User Guide Additional regulatory information ThinkCentre User Guide Recycling information Appendix C. Weee and recycling informationImportant Weee information 127Battery recycling information for Taiwan Recycling information for BrazilBattery recycling information for the European Union ThinkCentre User Guide Ukraine RoHS China RoHS Turkish RoHS131 India RoHS Appendix E. Energy Star model information 133ThinkCentre User Guide Index 135Power-On Password 137 ThinkCentre User Guide