Fingerprint Reader Board - HP DV4-2153 Maintenance And Service Manual

Fingerprint reader board

Description
Fingerprint reader
Before removing the fingerprint reader, 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
5. Remove the following components:
a. Hard drive (see
b. WLAN cover (see
c. Optical drive (see
d. Keyboard (see
e. Keyboard cover (see
f. Display assembly (see
g. Top cover (see
Remove the TouchPad:
1. Turn the top cover upside down, with the front toward you.
2. Fold back the Mylar cover (1).
3. Remove the two Phillips PM2.0×3.0 screws that secure the fingerprint reader to the top cover
(2).
Battery on page 55).
Hard drive on page 59)
WLAN module on page
Optical drive on page
Keyboard on page 72)
Keyboard cover on page
Display assembly on page
Top cover on page 92)
62)
57)
74)
80)
Component replacement procedures
Spare part number
486828-001
97