![](/jointfilesconvert/1016845/bg61.png)
1. Remove the four Phillips M2.5×4.0 screws (1) that secure the audio/USB board to the base enclosure.
2. Lift up on the left side of the board to disconnect it from the system board connector (2).
3. Remove the audio/USB board (3) by sliding it up and to the left at an angle.
Reverse this procedure to install the audio/USB board.
Component replacement procedures 85
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