Power button board
NOTE: The power button board does not include the power button board connector cable.
Description Spare part number
Power button board 929468-001
Power button board connector cable 929448-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement
Before removing the power button board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 33), and then remove the following components:
a. Hinge covers (see Hinge covers on page 48).
b. System support brackets (see System support brackets on page 49).
c. Fans (see Fans on page 52).
d. Heat sink (see Heat sink on page 56).
Remove the power button board:
1. Disconnect the power button board cable from the system board (1).
2. Remove the two Phillips PM2.0×3.5 screws (2) that secure the power button board to the computer.
Component replacement procedures 59