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
Spare part number
Speaker assembly
646364-001
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
Battery on page 46
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door on page 48
).
b.
Hard drive (see
Hard drive on page 51
)
Component replacement procedures
81
Summary of Contents for ProBook 4430s
Page 1: ...HP ProBook 4430s Notebook PC HP ProBook 4330s Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 29: ...Computer major components Computer major components 21 ...
Page 83: ...Cable routing path top Cable routing path bottom Component replacement procedures 75 ...
Page 150: ......
