Removing the computer cover
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 the computer cover.
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:
1. Shut down the operating system, remove any media (DVDs, CDs, or tapes)
from the drives, and turn off all attached devices.
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.
4. If there are thumb screws that secure the computer cover, remove them.
5. Press the button on the left-side cover and slide the cover to the rear to remove.
Chapter 8. Replacing FRUs - Tower Computers 87
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