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Chapter 2. Overview
This guide provides information about replacing Customer Replaceable Units
(CRUs).
Note: Use only parts provided by Lenovo.
This guide contains instructions for installing or replacing the following parts:
v Front Bezel
v Battery
v Power supply
v Heat sink
v Primary hard disk drive
v Secondary hard disk drive
v Optical drive
v Diskette drive
v Memory modules
v PCI adapter
v Front 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, 2008. Portions © IBM Corp. 2005. 3