Lenovo THINKCENTRE 6396 User Manual download pdf (Page 90)

Opening the cover

Important

Turn off the computer and wait 3 to 5 minutes to let the computer cool

before opening the computer cover.

This section provides instructions on how to open the computer cover.

1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your

operating system, and turn off all attached devices and the computer.

2. Unplug all power cords from electrical outlets.

3. Disconnect the cables attached to the computer. This includes power cords,

input/output (I/O) cables, and any other cables that are connected to the

computer. See “Connectors on the front of the computer” on page 80 and

“Connectors on the rear of the computer” on page 81.

4. Remove any locking devices, such as a cable lock that secures the computer

cover.

5. Press the cover-release button on the side of the cover and pivot the computer

cover outward.

6. If the computer cover is to be removed, disconnect all the cables from the

system board.

84 Hardware Maintenance Manual

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Lenovo THINKCENTRE 6396 User Manual Page 90