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Dell OptiPlex 7780 All-In-One - Audio Board; Removing the Audio Board

Dell OptiPlex 7780 All-In-One
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2. Install the rear-I/O bracket.
3. Install the bottom cover.
4. Install the system-board shield.
5. Install the hard drive.
6. Install the back cover.
7. Install the cable cover (optional).
8. Install the stand.
9. Follow the procedure in After working inside your computer.
Audio board
Removing the audio board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
3. Remove the cable cover (optional).
4. Remove the back cover.
5. Remove the system-board shield.
6. Remove the wireless card.
7. Remove the bottom cover.
8. Remove the rear-I/O bracket.
9. Remove the speakers.
10. Remove the side-I/O board.
About this task
The following image provides a visual representation of the audio board removal procedure.
Steps
1. Disconnect the audio-board cable from the connector on the system board.
2. Remove the screw (M3x5) that secure the audio board to the display-assembly base.
74
Removing and installing components

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