Hardware Maintenance Manual
40
Replacing hardware
9
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://consumersupport.lenovo.com
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. Before removing any media (diskettes, CDs, or memory cards) 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 rear
of the computer”.
4. Remove the two screws that secure the computer cover at the rear of
the chassis.
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