Dell 23.8" OptiPlex 7410 All-in-One Desktop Computer (Gray) - Manual (Page 102)

2. Lift the audio-board shield off the display-assembly base.
3. Lift the latch and disconnect the audio cable (DB-AUDIO) from the audio board.
4. Disconnect the speaker cable (INT SPKR) from the audio board.
5. Remove the two screws (M3x5) that secure the audio board to the display-assembly base.
6. Lift the audio board off the display-assembly base.
Installing the audio board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image(s) indicate the location of the audio board and provides a visual representation of the installation procedure.
Steps
1. Place the audio board on the display-assembly base.
2. Align the screw holes on the audio board with the screw holes on the display-assembly base.
3. Replace the two screws (M3x5) that secure the audio board to the display-assembly base.
102 Removing and installing Field Replaceable Units (FRUs)