HP DV3 - Manual (Page 109)

Removal and replacement procedures
Maintenance and Service Guide 4–47
Fingerprint reader board
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 7 ).
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 8 )
b. Optical drive (see “Optical drive” on page 23 )
c. Keyboard (see “Keyboard” on page 25 )
d. Switch cover (see “Switch cover” on page 29 )
e. Speaker assembly (see “Speaker assembly” on page 31 )
f. Display assembly (see “Display assembly” on page 32 ).
g. Top cover (see “Top cover” on page 44 ).
Remove the fingerprint reader board:
1. Turn the top cover upside down with the front edge toward you.
2. Remove the two Phillips PM2.0×3.0 screws 1 that secure the fingerprint reader board and bracket to the
top cover.
3. Remove the fingerprint reader board bracket 2.
4. Detach the fingerprint reader board cable 3 from the top cover. The fingerprint reader board cable is attached
to the top cover with double-sided tape.
5. Remove the fingerprint reader board 4.
Reverse this procedure to install the fingerprint reader board.
Description Spare part number
Fingerprint reader board (includes cable) 531828-001