Lenovo ThinkCentre 3484, Руководство пользователя

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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
10 and “Locating connectors on the rear of your computer” on page 11.
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 28 and “Attaching an integrated cable lock” on page 29.
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
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ThinkCentre User Guide