Speaker Assembly - HP ProBook 4430s Maintenance And Service Manual

4. Rotate the audio board upward (3) and then remove it from the top cover.
Reverse this procedure to install the audio board.

Speaker assembly

Description
Speaker assembly
Before removing the speaker assembly, 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.
Bottom door (see
b.
Hard drive (see
Battery on page 46).
Bottom door on page
Hard drive on page 51)
48).
Component replacement procedures
Spare part number
646364-001
81