Lenovo 3699, Hardware Maintenance Manual

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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 (I/O) cables, and any other cables that are connected to the
computer. See “Locating connectors on the front of the computer” on page 63 and “Locating connectors
on the rear of the computer” on page 64.
4. Remove any locking device that secures the computer cover, such as a padlock or an integrated
cable lock.
5. Remove any thumbscrews that secure the computer cover.
6. Press the cover-release button on the side of the computer and slide the cover to the rear of the
computer to remove the cover.
Figure 3. Removing the computer cover
Locating components
The following illustration shows the major parts in the computer.
Chapter 8
.
Replacing FRUs (Machine Types: 3029, 3054, 3139, 3219, 3246, 3282, 3349, 3421, 3544, 3652, 3769, 3934,
4992, 5206, 5267, 5325, 5384, 5450, 5474, 5498, 5554, 5852, 6232, and 6590.)
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