Lenovo 9705, 9625, 9421, 9353, 9485, 9623, 7061, 7090, 3656, 9795, 9935, 9953, 9946 manual Keyboard connectors

Page 52

Note: Your keyboard might be connected to a PS/2 keyboard connector 1 or a USB connector 2. Depending on where your keyboard is connected, see “Locating connectors on the rear of your computer” on page 9 or “Locating connectors on the front of your computer” on page 8.

Figure 35. Keyboard connectors

3.Disconnect the failing keyboard cable from the computer.

4.Connect a new keyboard to the appropriate connector on the computer.

5.Go to “Completing the parts replacement” on page 45.

44User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide Second Edition December Copyright Lenovo 2008 Contents Index Important safety information Vi User Guide Features Product overviewConnectivity Security features Specifications EnvironmentSoftware overview Software provided with your Windows operating systemLenovo ThinkVantage Toolbox Antivirus software Locating connectors on the front of your computer LocationsLocating connectors on the rear of your computer Rear connector locationsConnector Description Locating components Component locationsLocating parts on the system board Locating internal drivesShows the locations of the drive bays User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing the computer cover Removing and reinstalling the front bezel Installing or replacing a PCI cardOpening the PCI card latch What to do next Installing or replacing a memory module Opening the retaining clipsReplacing the battery Removing the memory moduleInstall a new battery Replacing the power supply assembly Removing the retaining screws for the power supply assemblyReplacing the heat sink and fan assembly Removing the heat sink and fan assembly Replacing the heat sink and fan assembly Replacing the primary hard disk driveRemoving the primary hard disk drive Installing the primary hard disk drive into the bracket Installing the primary hard disk drive and bracket Replacing the secondary hard disk driveRemoving the secondary hard disk drive Installing the secondary hard disk drive into the bracket Installing the secondary hard disk drive and drive cage Replacing the optical driveRemoving the optical drive Replacing the diskette drive or card reader Removing the diskette drive or card reader Replacing the front fan assembly Removing the front fan assemblyReplacing the rear fan assembly Installing the front fan assemblyRemoving the rear fan assembly Replacing the front audio and USB assembly Installing the rear fan assembly Removing the front audio and USB assembly Replacing the internal speaker Removing the old internal speakerInstalling a new internal speaker Replacing the keyboardKeyboard connectors Completing the parts replacement Replacing the mouseInstalling security features Reinstalling the computer coverIntegrated cable lock Integrated cable lockErasing lost or forgotten passwords clearing Cmos Password protectionPadlock Installing or replacing hardware User Guide Creating and using recovery media Recovery informationCreating recovery media Using recovery media Performing a backup operation Performing backup and recovery operationsPerforming a recovery operation Using the Rescue and Recovery workspace Creating and using rescue media Creating rescue mediaUsing rescue media Creating and using a recovery repair disketteUsing a recovery repair diskette Creating a recovery repair disketteInstalling or reinstalling device drivers Setting a rescue device in the startup sequence Solving recovery problemsUsing the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations User PasswordAdministrator Password Setting, changing, and deleting a passwordSelecting a startup device Selecting a temporary startup deviceExiting from the Setup Utility program Selecting or changing the startup device sequenceUpdating flashing the Bios from a diskette or disc Using system programsUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo ThinkVantage ToolboxPC-Doctor for Rescue and Recovery Lenovo System ToolboxPC-Doctor for DOS Cleaning the mouseOptical mouse Non-optical mouse User Guide Getting information, help, and service Information resourcesOnline Books folder Lenovo ThinkVantage ToolsAccess Help Safety and WarrantyThinkVantage Productivity Center Lenovo WelcomeUsing the documentation and diagnostic programs Help and serviceCalling for service Using other services Purchasing additional servicesAppendix. Notices Television output notice TrademarksIndex CRUPower Page User Guide Page Part Number 89Y0418
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