Lenovo 9127, 9136, 9134, 9129, 9120 manual Overview, Additional information resources

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Chapter 2. Overview

This guide provides information about replacing Customer Replaceable Units (CRUs).

This guide does not include procedures for all parts. It is expected that cables, switches, and certain mechanical parts be replaced by trained service personnel without the need for step-by-step procedures.

Note: Use only parts provided by Lenovo™.

This guide contains instructions for installing and or replacing the following parts:

vBattery

vFront bezel

vPower supply

vHeat sink

vHard disk drive

vOptical drive

vDiskette drive

vMemory modules

vPCI adapter

vFront fan assembly

vRear fan assembly

vKeyboard

vMouse

Additional information resources

If you have Internet access, the most up-to-date information for your computer is available from the World Wide Web.

You can find:

vCRU removal and installation information

vCRU removal and installation videos

vPublications

vTroubleshooting information

vParts information

vDownloads and drivers

vLinks to other useful sources of information

vSupport phone list

To access this information, point your browser to:

http://www.lenovo.com/support

© Lenovo 2005, 2007. Portions © IBM Corp. 2005.

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Contents ThinkCentre Hardware Installation and Replacement Guide Page ThinkCentre Hardware Installation and Replacement Guide Page Contents Iv Hardware Installation and Replacement Guide Figures Vi Hardware Installation and Replacement Guide Important safety information Hardware Installation and Replacement Guide Additional information resources OverviewHandling static-sensitive devices Locations Controls and connectorsConnector locations Locating connectors on the rear of your computerConnector Description Component locations Locating componentsShows the location of parts on the system board Identifying parts on the system boardHardware Installation and Replacement Guide Removing the cover Installing options and replacing hardwareInstalling external options Removing the computer cover Removing and replacing the front bezelRemoving the front bezel Installing memory Installing internal optionsWhat to do next Installing PCI adaptersOpening the adapter latch Closing the adapter latch Drive specifications Installing internal drivesInstalling a drive in bay 1 or bay Locating the spare retainer bracket Connecting a parallel ATA drive Connecting drivesConnecting a serial ATA drive Removing the battery Replacing the batteryRemoving the power supply screws Replacing the power supply assemblyRemoving the heat sink Replacing the heat sinkReplacing a hard disk drive Installing the new heat sinkRemoving the hard disk drive Installing the hard disk drive into bracket Replacing an optical drive Installing the hard disk drive and bracketRemoving the optical drive Removing the diskette drive Replacing the diskette driveRetainer bracket for diskette drive Replacing a memory moduleReplacing a PCI adapter Installing the new memory moduleRemoving the PCI adapter Install the new adapter into the same adapter connector Replacing the front fan assembly Replacing the rear fan assembly Pull the rear fan assembly out of the chassis Replacing the keyboard Replacing the rear fan assemblyLocate the keyboard connector. See Figure Replacing the mouse Mouse connectors, standard and USBHardware Installation and Replacement Guide Replacing the computer cover Completing the parts replacementObtaining device drivers Integrated cable lock Security featuresPadlock Password protectionErasing a lost or forgotten password clearing Cmos Security features Hardware Installation and Replacement Guide Appendix. Notices Trademarks Television output noticeCRU IndexPage Page Part Number 43C4834

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