Power button board
Description Spare part number
Power button board (includes cable) 768009-001
Before removing the power button board, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 27).
5. Remove the battery (see Battery on page 31).
Remove the power button board:
1. Remove the Phillips PM2.4×3.7 screw (1) that secures the power button board to the bottom cover.
2. Lift the front edge of the power button board (2) and swing it up until it disengages from the tab (3) on
the keyboard/top cover.
3. Remove the power button board (4) and cable.
Reverse this procedure to install the power button board.
Power button board 39