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Power Button Board
Description Spare part number
Power button board 651585-001
The power button board is mounted on the left side of the computer. It is secured with two screws and
has one connector.
To remove the power button board:
1. Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page 27).
2. Remove the small rear cover (see
Small Rear Cover on page 28).
3. Remove the stand (see
Stand on page 29).
4. Remove the right rear cover (see
Right Rear Cover on page 35).
5. Remove the heat sink (see
Heat Sink (Thermal Module) on page 38).
6. Remove the rear cover (see
Rear Cover on page 46).
7. Remove the two screws (1) that secure the board to the computer.
8. Disconnect the cables from the board (2).
NOTE: Be careful not to damage the cable when disconnecting it from the board. Do not pull
on the wires.
Figure 7-22 Removing the power button board
9. Remove the board from the computer.
To install the power button board, reverse the removal procedures.
50 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis