Lenovo ThinkCentre M83 User Manual page 68

Removing the computer cover
Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
This section provides instructions on how to remove the computer cover.
CAUTION:
Before you open the computer cover, turn off the computer and wait several minutes until the
computer is cool.
To remove the computer cover, do the following:
1. Remove any media from the drives and turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cord, Input/Output cables, and any other cables that are connected to the
computer.
4. Remove any locking device that secures the computer cover, such as a Kensington-style cable lock.
See "Attaching a Kensington-style cable lock" on page 30.
5. Remove the screw that secures the computer cover.
Figure 38. Removing the screw that secures the computer cover
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ThinkCentre M83 and M93/p User Guide