Power Button Board - HP ProBook 450 G2 Maintenance And Service Manual

3. Remove the fingerprint reader board and cable assembly from the top cover (3).
Reverse this procedure to install the fingerprint reader assembly.

Power button board

Description
Power button board assembly
Before removing the power button 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
5. Remove the following components:
a. Service doors (see
b. Keyboard (see
c. Hard drive
Battery on page
Service door on page
Keyboard on page 56)
(Hard drive on page 46)
43).
44)
Component replacement procedures
Spare part number
767442-001
71