CAUTION:
Turn off the computer and wait three to five minutes to let the computer cool before removing the
computer cover.
To remove the computer cover, do the following:
1. Remove all media from the drives. Then, turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cord, Input/Output (I/O) cables, and all other cables that are connected to the
computer.
4. Remove any locking device that secures the computer cover, such as an integrated cable lock or
a padlock.
5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to
remove it.
Figure 6. Removing the computer cover
Removing and reinstalling the front bezel
Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to remove and reinstall the front bezel.
.
Chapter 8
Installing or replacing hardware: 4165, 7179, 7182, 7490, 7493, 7511, and 7521
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