Power Button Board - HP ProBook 640 G2 Maintenance And Service Manual

3. Lift the speaker assembly to remove it.(3).
Reverse this procedure to install the speaker.

Power button board

NOTE: The power button board spare part kit includes the cable.
Description
Power button board
For 14" products
For 15" products
IMPORTANT:
replacement.
Before removing the power button board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Remove the following components:
a. Service door (see
b. Remove the battery (see
c. Hard drive (see
d. Solid-state drive (see
e. WWAN module (see
Make special note of each screw and screw lock size and location during removal and
Service door on page
Battery on page
Hard drive on page
Solid-state drive (select products only) on page
WWAN module (select products only) on page
37).
38)
39).
Spare part number
840694-001
840744-001
41).
42).
Component replacement procedures 71