Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes bracket and cable) 720543-001
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 43), and then remove the following components:
a. Solid-state drive (see
Solid-state drive on page 44)
b. Hard drive (see
Hard drive on page 47)
c. Base enclosure (see
Base enclosure on page 55)
d. Base enclosure (see
Base enclosure on page 55)
e. Subwoofer (see
Subwoofer on page 83)
Remove the fingerprint reader board:
1. Release the ZIF connector (1) to which the fingerprint reader board ribbon cable is attached, and
then disconnect the fingerprint reader board ribbon cable from the system board.
2. Detach the fingerprint reader board ribbon cable (2) from the base enclosure. (The fingerprint
reader board ribbon cable is attached to the top cover with double-sided tape.)
3.
Remove the Phillips PM2.0×2.9 screw (3) that secures the fingerprint reader board bracket and
board to the top cover.
4. Slide the fingerprint reader board bracket (4) to the left, and then lift it straight up to remove it.
Component replacement procedures
87
