Lenovo 9949 Personal Computer User Manual


 
Chapter 2. Overview
This guide is intended to be used by customers who are installing optional features
or replacing Customer Replaceable Units (CRUs).
Note: Use only the parts provided by Lenovo
®
.
This guide contains instructions for installing or replacing the following parts:
v Battery
v Hard disk drive
v Diskette drive
v Optical drive
v Heat sink and fan assembly
v System fan assembly
v Memory module
v PCI adapter card
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 instructions
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
Handling static-sensitive devices
Do not open the static-protective package containing the new part until the
defective part has been removed from the computer and you are ready to install
the new part. Static electricity, although harmless to you, can seriously damage
computer components and parts.
When you handle parts and other computer components, take these precautions to
avoid static-electricity damage:
v Limit your movement. Movement can cause static electricity to build up around
you.
© Lenovo 2005, 2008. Portions © IBM Corp. 2005. 3