Replacing The Power Switch Board - Lenovo ThinkCentre M83 Hardware Maintenance Manual

What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 286.

Replacing the power switch board

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 board.
To replace the power switch board, 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 237.
3. Locate the power switch board. See "Locating major FRUs and CRUs" on page 88.
4. Remove the hard disk drive assembly. See "Installing or removing the hard disk drive assembly" on
page 251.
5. Disconnect the power switch board cable from the corresponding connector on the system board.
6. Remove the screw that secures the power switch board to the computer, and then pull the power
switch board to remove it from the computer.
Figure 259. Removing the power switch board
.
Chapter 10 Replacing FRUs (machine types: 10A4, 10A5, 10AA, 10AB, 10DF, 10DG, 10DH, 10DJ, 10E8, 10E9, 10EA, and 10EB)
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