Installing the WiFi units | Lenovo 3484JMU specs

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

Figure 34. 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 35. Removing the WiFi card module

Installing the WiFi units

To install the WiFi units, do the following:

56ThinkCentre User Guide

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Lenovo 3484JMU manual Installing the WiFi units, Removing the screws that secure the WiFi card module

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices 111 Index Iv ThinkCentre User Guide Static electricity prevention Important safety informationService and upgrades Power cords and power adapters Extension cords and related devices Heat and product ventilation Plugs and outletsExternal devices Modem safety information Operating environment Laser compliance statement Power supply statementCleaning and maintenance ThinkCentre User Guide Features Product overview System management features Connectivity Input/Output I/O features Power supplySecurity features Preinstalled software programs Linux Microsoft Windows XP Professional SP Lenovo programs SpecificationsAccessing Lenovo programs on the Windows 7 operating system Accessing Lenovo programs from Control Panel Program Icon name Accessing Lenovo programs on the Windows 8 operating system An introduction to Lenovo programsCommunications Utility Fingerprint Software Lenovo Settings Lenovo Solution CenterPassword Manager Power Manager View Management Utility System UpdateLocations Front connector, control, and indicator locations Locating connectors on the rear of your computer Connector Description Locating components Component locations Locating parts on the system board System board part locations Locating internal drives Drive bay locations Machine type and model label Machine type and model label ThinkCentre User Guide Using your computer Frequently asked questionsAccessing Control Panel on the Windows 8 operating system Where can I find help about the Windows operating system? Using the keyboard Using Windows shortcut keysUsing the blue ThinkVantage button Using a fingerprint reader Using the wheel mouse Adjusting audioSetting the volume from the desktop Adding the volume icon to the taskbar Setting the volume from Control Panel Using CDs and DVDsSound section, click Adjust system volume Handling and storing CD and DVD media Playing a CD or DVD Recording a CD or DVD ThinkCentre User Guide Accessibility and comfort You and your computerArranging your workspace Comfort Electrical outlets and cable lengths Glare and lightingAir circulation Moving your computer to another country or region Voltage-selection switchRegistering your computer Replacement power cords Security features Security Installing a padlock Locking the computer cover Attaching an integrated cable lock Using passwordsBios passwords Windows passwords Configuring the fingerprint readerUsing and understanding firewalls Protecting data against viruses Security ThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devices Removing the computer cover Removing the computer cover Removing and reinstalling the front bezel Removing the front bezel Installing or replacing a PCI card What to do next Removing the screw that secures the PCI card latch Removing a PCI card Installing or replacing a memory module Installing a PCI card Removing a memory module Replacing the battery Installing a memory module Removing the old battery Replacing the primary hard disk drive Removing the primary hard disk drive Installing the hard disk drive Replacing the optical drive Removing the optical drive Installing the optical drive Replacing the power supply assembly Replacing the heat sink and fan assembly Removing the screws for the power supply assembly Removing the heat sink and fan assembly Replacing the microprocessor Accessing the microprocessor Installing the microprocessor Replacing the front audio and USB assembly 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 the WiFi antenna cables Removing the rear WiFi antenna Installing or removing the rear WiFi antennaInstalling the rear WiFi antenna Installing or removing the front WiFi antenna Installing the front WiFi antenna Connect the front antenna cable to the WiFi card module Removing the front WiFi antenna Replacing the keyboard or mouse Completing the parts replacement Connecting the USB keyboard or mouse Reinstalling the computer cover Obtaining device drivers Creating and using recovery media Recovery informationRecovery information for the Windows 7 operating system Performing backup and recovery operations Creating recovery mediaUsing recovery media Performing a backup operation 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 Solving recovery problems Reinstalling software programsReinstalling device drivers Recovery information for the Windows 8 operating system Refreshing your computer ThinkCentre User Guide Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Password considerations Power-On PasswordAdministrator Password Hard Disk Password Erasing lost or forgotten passwords clearing Cmos Enabling or disabling a device Enabling ErP compliance mode Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequence Exiting the Setup Utility program ThinkCentre User Guide Updating system programs Using system programsUpdating flashing the Bios from a disc Click Download Drivers & Software Click Use Quick Path Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Preventing problems Keeping your computer currentGetting the latest device drivers for your computer Updating your operating system Using System Update Basics Cleaning your computer ComputerKeyboard Optical mouse Moving your computer Good maintenance practicesCleaning a glass-screen surface Preventing problems ThinkCentre User Guide Troubleshooting and diagnostics Basic troubleshooting Troubleshooting procedure Troubleshooting Audio problems No audio in Windows No audio in DOS applications or games CD problemsSound comes from one external speaker only Black screen instead of DVD video DVD problemsCD 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 message All or some keys on the keyboard do not work Intermittent problemsKeyboard, mouse, or pointing device problems Wireless keyboard does not work Mouse or pointing device does not workPointer on the screen does not move smoothly with the mouse Fingerprint reader does not work Monitor problems Wrong characters appear on the screen Image appears to be flickering Image is discolored Networking problems Ethernet problemsYour computer cannot connect to the network Click Start Control Panel Click Hardware and Sound Adapter stops working for no apparent reason Wireless LAN problemWake on LAN feature is not working Option problems Wireless WAN problemBluetooth problem An option that was just installed does not work Performance and lockup problems Click Disk CleanupAn option that previously worked does not work now Insufficient free hard disk drive space Excessive number of fragmented files Insufficient memory Printer problems Serial port problems Software problems Software does not work as expected Lenovo Solution Center USB problemsDiagnostic programs Creating a diagnostic disc Running the diagnostic program from a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOS ThinkCentre User Guide Getting information, help, and service Help and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web site Using other services Purchasing additional services ThinkCentre User Guide Appendix A. Notices 111 Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions notices Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Appendix C. Weee and recycling information Important Weee informationRecycling information 117 Battery recycling information for Taiwan Recycling information for Brazil Battery recycling information for the European Union ThinkCentre User Guide 121 China RoHS Turkish RoHSUkraine RoHS India RoHS Index 123 Keyboard, replacing Lenovo Solution Center 104 125 ThinkCentre User Guide