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Removal and replacement procedures
Maintenance and Service Guide 4–33
Audio board
Before removing the audio board, 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 4-7).
5. Remove the following components:
a. Wireless module compartment cover (see “WLAN module” on page 4-8).
b. Hard drive cover (see “Hard drive” on page 4-10). HP recommends removing the hard drive.
c. Optical drive (see “Optical drive” on page 4-15).
d. Keyboard (see “Keyboard” on page 4-16).
e. Keyboard cover (see “Keyboard cover” on page 4-18).
f. Display assembly (see “Display assembly” on page 4-21).
g. Top cover (see “Top cover” on page 4-29).
Remove the audio board:
1. Release the LIF connector 1 to which the audio board cable is attached, and then disconnect the cable 2 from
the system board.
2. Remove the Phillips PM2.5×6.5 screw 3 that secures the audio board to the base enclosure.
3. Remove the audio board 4.
Reverse this procedure to install an audio board.
Description Spare part number
Audio board
✎
The audio board spare part kit does not include a cable. The audio board cable is included in
the Cable Kit, spare part number 531211-001.
531208-001