Before removing the fingerprint reader 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 battery (see
Battery on page 36).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 42)
b.
Optical drive (see
Optical drive on page 49)
c.
Keyboard (see
Keyboard on page 50)
d.
Hinge cover (see
Hinge cover on page 52)
e.
Rear cover (see
Rear cover on page 53)
f.
Top cover (see
Top cover on page 55)
Remove the fingerprint reader board:
1.
Turn the top cover upside down, with the front toward you.
2. Remove the two silver Phillips PM2.0×4.0 screws (1) that secure the fingerprint reader board and
bracket to the top cover.
3. Remove the fingerprint reader board bracket (2) and fingerprint reader board (3).
Reverse this procedure to install the fingerprint reader board.
TouchPad on/off board
Description Spare part number
TouchPad on/off board (includes cable) 448167-001
58 Chapter 4 Removal and replacement procedures
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