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Chapter 2. Overview
This guide provides information about installing and or replacing Customer
Replaceable Units (CRUs). However, 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 and fan assembly
v Hard disk drive
v Optical drive
v Memory module
v Adapter card
v Card reader
v Keyboard
v Mouse
Additional information resources
If you have Internet access, the most up-to-date information for your computer is
available at:
http://www.lenovo.com/support
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
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