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
5.
Remove the following components:
a.
Bottom door (see
b.
Hard drive (see
84
Chapter 4 Removal and replacement procedures
Summary of Contents for ProBook 4330s
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
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