HP Compaq 320 Maintenance And Service Manual page 120

2. Remove the Phillips PM2.0×3.0 screw (1) that secures the audio board to the base enclosure and
then remove the audio board (2).
Remove the audio board from 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computers:
1. Release the latch (1) that secures the board to the base enclosure.
2. Lift the audio board (2) from the base enclosure.
Reverse this procedure to install the audio board.
112 Chapter 4 Removal and replacement procedures