Power button board
Description Spare part number
Power button board assembly 914750-001
NOTE: The power button board sits under the left display hinge. You do not have to remove the display to
remove the board, but you do have to rotate the left display hinge upward to gain access.
Before removing the power button board, follow these steps:
1. Shut down 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 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 bottom cover (see Bottom cover on page 34).
5. Remove the battery (see Battery on page 38).
6. Remove the internal base plate (see Internal base plate on page 53)
7. Remove the fan/heatsink assembly (see Heat sink/fan assembly on page 55).
Remove the power button board:
1. Disconnect the cable from the system board (1).
2. Remove the Phillips broadhead M2.0×2.0 screw (2) that secures the power button board to the
computer.
3. Remove the 3 Phillips M2.5×5.0 screws (3) from the left display hinge.
4. Rotate the hinge upward to gain access to the board (4).
Component replacement procedures 77
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