Lenovo 1763, 1938, 1962, 1942, 1837 Replacing the wireless keyboard, Replacing the wireless mouse

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2.Connect a new keyboard or mouse to one of the USB connectors on the computer. Depending on where you want to connect the new keyboard or mouse, see “Locating connectors, controls, and indicators on the front of your computer” on page 8 or “Locating connectors on the rear of your computer” on page 9.

Figure 6. Connecting the USB keyboard or mouse

Replacing the wireless keyboard

To replace the wireless keyboard, do the following:

1.Take away your failing wireless keyboard.

2.Remove the new wireless keyboard from the package.

3.Install the keyboard by opening the battery compartment cover and installing two AAA batteries according to the polarity indicators.

Figure 7. Installing the keyboard batteries

4.Remove the USB dongle from the keyboard compartment or from the wireless mouse compartment and connect it to an available USB connectors on the computer. See “Replacing the wireless mouse” on page 30.

5.Close the compartment cover. The keyboard is ready for use.

Replacing the wireless mouse

To replace the wireless mouse, do the following:

1.Disconnect the USB dongle from your computer. Then, take away your failing wireless mouse.

2.Remove the new wireless mouse from the package.

30ThinkCentre User Guide

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Contents ThinkCentre User Guide Second Edition October Copyright Lenovo Contents Appendix A. Notices Service and upgrades Important safety informationStatic electricity prevention Power cords and power adapters Extension cords and related devicesExternal devices Plugs and outletsHeat and product ventilation Modem safety information Operating environmentCleaning and maintenance Power supply statementLaser compliance statement Viii ThinkCentre User Guide Features Product overviewSystem management features Color temperature adjustmentInput/Output I/O features Power supplyPreinstalled software programs Preinstalled operating systemSoftware overview SpecificationsSoftware provided by Lenovo Product Recovery ThinkVantage Password ManagerLenovo ThinkVantage Tools Lenovo WelcomeAdobe Reader Antivirus software Locations Front connector, control, and indicator locations Locating connectors on the rear of your computer Rear connector locationsAdjusting the computer stand Connector DescriptionMachine type and model label Machine type and model labelThinkCentre User Guide Using your computer Frequently asked questionsUsing the keyboard Using Windows shortcut keysUsing the blue ThinkVantage button Using a fingerprint readerUsing the wheel mouse Adjusting audioSetting the volume from the desktop Setting the volume from Control PanelUsing CDs and DVDs Adding the volume icon to the taskbarPlaying a CD or DVD Handling and storing CD and DVD mediaRecording a CD or DVD Using the single-touch and multi-touch feature Color temperature adjustmentUsing the single-touch feature Using the multi-touch featureSelecting a pre-defined color temperature Switching to RGB adjustmentMaking brightness adjustment Red-adjustment Green-adjustment Blue-adjustment ExitUsing your computer ThinkCentre User Guide Accessibility and comfort You and your computerArranging your workspace ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Voltage-selection switch Replacement power cordsRegister your computer with Lenovo Moving your computer to another country or regionThinkCentre User Guide Security features SecurityBios passwords Using passwordsAttaching an integrated cable lock Windows passwords Setting the fingerprint readerUsing and understanding firewalls Protecting data against virusesThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Replacing the wireless keyboard Replacing the wireless mouseOpening the battery compartment Closing the battery compartment cover Obtaining device driversCreating and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operationClick 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 ThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Password considerations Power-On PasswordAdministrator Password Hard Disk PasswordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceExiting from the Setup Utility program Updating flashing the Bios from a disc Using system programsUpdating system programs Updating flashing the Bios from your operating system Click Downloads and driversPreventing problems Using System UpdateKeeping your computer current Getting the latest device drivers for your computerBasics Cleaning your computer ComputerKeyboard 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 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 messageKeyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work 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 workWrong characters appear on the screen Monitor problemsImage appears to be flickering Ethernet problems Networking problemsImage is discolored Wake on LAN feature is not working Your computer cannot connect to the networkClick Start Control Panel Click Hardware and Sound Adapter stops working for no apparent reasonWireless WAN problem Wireless LAN problemBluetooth problems Option problems An option that was just installed does not workSound does not come from the Bluetooth headphone An option that previously worked does not work nowPerformance and lockup problems Click Disk CleanupInsufficient free hard disk drive space Click Start ComputerSerial port problems Printer problemsExcessive number of fragmented files Software problems Software does not work as expectedUSB problems Diagnostic programsCreating a diagnostic disc Running the diagnostic program from a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOSGetting information, help, and service Help and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web siteUsing other services Purchasing additional servicesThinkCentre User Guide Appendix A. Notices Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Important information for the European Directive 2002/96/EC Appendix C. Weee and recycling informationRecycling information ThinkCentre User Guide Index Optical mouse cleaning Password Administrator Considerations Page 0B03427