Lenovo ThinkCentre Edge 91 (English) User Guide - Page 42

Removing the computer cover, Removing and reinstalling the front bezel

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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: 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 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 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 8 and "Locating connectors on the rear of your computer" on page 9. 4. Remove any locking device that secures the computer cover, such as a padlock or an integrated cable lock. See "Locking the computer cover" on page 23 and "Attaching an integrated cable lock" on page 25. 5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to remove it. Figure 9. 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" on page v. This section provides instructions on how to remove and reinstall the front bezel. 30 ThinkCentre Edge User Guide 56 78 34

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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:
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 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 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 8
and “Locating connectors on the rear of your computer” on page 9.
4. Remove any locking device that secures the computer cover, such as a padlock or an integrated cable
lock. See “Locking the computer cover” on page 23 and “Attaching an integrated cable lock” on page 25.
5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to
remove it.
Figure 9. 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”
on page v.
This section provides instructions on how to remove and reinstall the front bezel.
30
ThinkCentre Edge User Guide