Lenovo 4215, 4220, 4222, 4219, 4221 manual Replacing the mouse, Keyboard connectors

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This section provides instructions on how to replace the keyboard.

To replace the keyboard, do the following:

1.Remove any media from the drives. Then, turn off all attached devices and the computer.

2.Disconnect all power cords from electrical outlets.

3.Disconnect the old keyboard cable from the computer.

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 8 or “Locating connectors on the front of your computer” on page 7.

Figure 32. Keyboard connectors

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

What to do next:

vTo work with another piece of hardware, go to the appropriate section.

vTo complete the replacement, go to “Completing the parts replacement” on page 40.

Replacing the mouse

Attention

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkStation Safety and Warranty Guide, go to: http://www.lenovo.com/support

This section provides instructions on how to replace the mouse.

To replace the mouse, do the following:

1.Remove any media from the drives. Then, turn off all attached devices and the computer.

2.Disconnect all power cords from electrical outlets.

Chapter 2. Installing or replacing hardware 39

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Contents ThinkStation User Guide Page ThinkStation User Guide First Edition February Copyright Lenovo Contents Index Important safety information Vi User Guide Product overview FeaturesSystem management features Security features Dimensions SpecificationsSoftware provided by Lenovo Software overviewAntivirus software Adobe ReaderFront connector locations Locations Locating connectors on the front of your computerRear connector locations Locating connectors on the rear of your computerConnector Description Component locations Locating componentsLocating internal drives Locating parts on the system boardDrive bay locations Handling static-sensitive devices Installing or replacing hardwareInstalling or replacing hardware Removing the computer cover Installing external optionsRemoving the computer cover Removing and reinstalling the front bezelRemoving the front bezel Installing or replacing a PCI cardOpening the PCI card latch Removing a PCI card What to do next Installing or replacing a memory moduleOpening the retaining clips Installing a memory module Installing or replacing the optical driveRemoving the optical drive Installing the optical drive Removing the screws for the power supply assembly Replacing the power supply assemblyReplacing the heat sink and fan assembly Removing the heat sink and fan assembly Removing the primary hard disk drive Replacing the primary hard disk driveInstalling the hard disk drive into the bracket Replacing the secondary hard disk drive Installing the primary hard disk driveRemoving the secondary hard disk drive Installing the hard disk drive into the bracket Replacing the card reader Installing the secondary hard disk driveRemoving the card reader Replacing the front fan assembly Removing the front fan assembly Installing the front fan assembly Removing the rear fan assembly Replacing the rear fan assemblyReplacing the keyboard Installing the rear fan assemblyReplacing the mouse Keyboard connectorsMouse connectors Completing the parts replacementReinstalling the computer cover Installing security featuresIntegrated cable lock Installing an integrated cable lockPadlock Password protectionErasing lost or forgotten passwords clearing Cmos User Guide Creating recovery media Recovery informationCreating and using recovery media Using recovery media Performing a recovery operation Performing backup and recovery operationsPerforming a backup operation Using the Rescue and Recovery workspace Creating rescue media Creating and using rescue mediaCreating and using a recovery repair diskette Using rescue mediaInstalling or reinstalling device drivers Creating a recovery repair disketteUsing a recovery repair diskette Solving recovery problems Setting a rescue device in the startup sequenceUsing passwords Using the Setup Utility programStarting the Setup Utility program Viewing and changing settingsHard Disk Password Password considerationsPower-On Password Administrator PasswordSelecting a temporary startup device Enabling or disabling a deviceSelecting a startup device Selecting or changing the startup device sequence Advanced settingsExiting from the Setup Utility program RAID Level Configuring RAIDCreating RAID volumes Deleting RAID volumes Updating system programs Using system programsUpdating flashing Bios from a disc Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsLenovo System Toolbox Diagnostic programsLenovo ThinkVantage Toolbox PC-Doctor for DOS PC-Doctor for Rescue and RecoveryOptical mouse Cleaning the mouseNon-optical mouse User Guide Lenovo ThinkVantage Tools Getting information, help, and serviceInformation resources Online Books folderUsing the documentation and diagnostic programs Safety and WarrantyHelp and service Using other services Calling for servicePurchasing additional services Appendix. Notices European conformance CE mark Trademarks Television output noticeCRU IndexPage Page User Guide Page Part Number 71Y8009
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