Power button board
Description Spare part number
Power button board (includes cable) 730552-001
Before removing the power button board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see Service cover on page 37), and then remove the following components:
a. Battery (see Battery on page 39)
b. Hard drive (see Hard drive/solid-state drive on page 41)
c. Keyboard (see Keyboard on page 50)
d. Top cover (see Top cover on page 57)
e. System board (see System board on page 76)
Remove the power button board:
1. Remove the two Phillips PM2.0×3.25 screws (1) that secure the power button board to the top cover.
2. Remove the power button board (2) and cable.
Reverse this procedure to install the power button board.
82 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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