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Remove the power button board:
1. Turn the top cover upside down, with the front toward you.
2.
Detach the power button board cable (1) from the top cover. (The power button board cable is
attached to the top cover double-sided tape.)
3.
Remove the two Phillips PM2.0×4.0 screws (2) that secure the power button board to
the top cover.
4. Remove the power button board (3) and cable.
Reverse this procedure to install the power button board.
Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes cable and bracket) 682062-001
Before removing the fingerprint reader 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 51), and then remove the following components:
a. Hard drive (see
Hard drive on page 52)
b. Optical drive (see
Optical drive on page 59)
Component replacement procedures
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