11
Hardware Replacement Guide
Replacing hardware
Attention
Do not remove the computer cover or attempt any repair before reading the
“Important safety information” in the
Safety and Warranty Guide
that was
included with your computer or in the
Hardware Maintenance Manual
(HMM)
for the computer. To obtain copies of the
Safety and Warranty Guide
or
HMM
, go to the Support Web site at http://www.lenovo.com/support.
Note
Use only parts provided by Lenovo.
Removing the computer cover
Important
Turn off the computer and wait 3 to 5 minutes to let the computer cool
before removing the computer cover.
To remove the computer cover:
1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your
operating system, turn off all attached devices, and the computer.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. Refer to “Locating connectors on the front of the computer” and
“Locating connectors on the rear of the computer”.
4. Remove any locking devices that secure the computer cover.
Chapter
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