Power button board
Table 5-13 Power button board description and part number
Description Spare part number
Power button board (includes cable and bracket) L31857-001
Before removing the power button board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Remove the battery (see Battery on page 31).
3. Remove the bottom cover (see Bottom cover on page 29).
4. Remove the audio jack (see Audio jack board on page 40).
5. Remove the system board (see System board on page 41).
Remove the power button board:
1. Remove the two Phillips M2.0 × 2.0 screws (1) that secure the power button board to the computer.
2. Remove the board from the computer (2).
Reverse this procedure to install the power button board.
48 Chapter 5 Removal and replacement procedures for authorized service provider parts
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