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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:
v Battery
v Power supply
v Heat sink
v Hard disk drive
v Optical drive
v Diskette drive
v Memory modules
v PCI adapter
v System fan assembly
v Rear fan assembly
v Keyboard
v Mouse
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:
v CRU removal and installation information
v CRU removal and installation videos
v Publications
v Troubleshooting information
v Parts information
v Downloads and drivers
v Links to other useful sources of information
v Support phone list
To access this information, go to:
http://www.lenovo.com/support
© Lenovo 2005, 2007. Portions © IBM Corp. 2005.
®
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