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