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Removing the computer cover
This section provides instructions on how to remove the computer cover.
CAUTION:
Turn off the computer and wait three to ve minutes to let the computer cool before removing the
system stand hinge cover.
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and
Setup Guide, go to:
http://www.lenovo.com/support
To remove the computer cover, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the
computer. See “Locating connectors, controls, and indicators on the front of your computer” on page
67
and “Locating connectors on the rear of your computer” on page 68.
3. Remove any locking device that secures the computer cover, such as a padlock or a Kensington-style
cable lock.
4. Remove the two screws that secure the computer cover and slide the computer cover to the rear to
remove it.
Figure 11. Removing the computer cover
Chapter 9. Replacing FRUs (machine type: 10AR) 85