![background image](http://html.mh-extra.com/html/hp/probook-645-g4/probook-645-g4_maintenance-and-service-manual_2173983080.webp)
Speaker
Description
Spare part number
Speaker Kit
L09558-001
Before removing the speaker, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the following components:
a.
Bottom cover (see
b.
Battery (see
)
c.
Hard drive (see
d.
Solid-state drive (see
)
e.
WWAN module (see
f.
Keyboard (see
g.
Internal frame (see
)
h.
System board (see
)
Remove the speaker:
1.
Remove the two Phillips M2.5×3.0 screws (1) that secure the speaker to the computer.
2.
Lift the speaker assembly up enough to access and remove the antenna cables connected to it (2), and
then remove the speaker from the computer (3).
Reverse this procedure to install the speaker.
70
Chapter 6 Removal and replacement procedures for Authorized Service Provider parts