10. Remove the top cover (2).
Reverse this procedure to install the top cover.
Power button board
Description Spare part number
Power button board (includes cable) 785287-001
Before removing the power button board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off 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 battery (see Battery on page 25), and then remove the following components:
a. Service cover (see Service cover on page 26)
b. Keyboard (see Keyboard on page 32)
c. Top cover (see Top cover on page 39)
Remove the power button board:
1. Turn the top cover upside down with the front toward you.
2. Remove the Phillips PM2.5×2.5 screw (1) that secures the power button board to the top cover.
42 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts