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Opening 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 open the computer cover.
CAUTION:
Turn off the computer and wait three to ve minutes to let the computer cool before
opening the computer cover.
To open 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 cords, Input/Output cables, and any other cables that are connected to the
computer. See “Locating connectors on the front of your computer” on page 6 and “Locating connectors
on the rear of your computer” on page 7
.
4. Remove any locking device that secures the computer cover, such as an integrated cable lock. See
“Integrated cable lock” on page 26.
5. Carefully lift and position the computer upside down as shown in .
6. Pivot the cover-release button 1 on the rear of the computer and then open the computer cover as shown.
Figure 5. Opening 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.
12 ThinkCentre User Guide