Replacing The Power Switch Unit - Lenovo 10A4 Hardware Maintenance Manual

Replacing the power switch unit

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to replace the power switch unit.
To replace the power switch unit, 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. Remove the computer cover. See "Removing the computer cover" on page 153.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 154.
4. Press the retaining clip
same time.
Figure 150. Pivoting the drive bay assembly upward
5. Disconnect the cable of the power switch unit from the system board.
6. Push the power switch unit inward through the hole to disengage it from the chassis.
Chapter 9
1 in the direction as shown and pivot the drive bay assembly upward at the
.
Replacing FRUs (machine types: 10A2, 10A3, 10A8, 10A9, 10AH, 10AJ, 10AM, and 10AN)
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