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Dell OptiPlex All-in-One Plus 7420 - Page 106

Dell OptiPlex All-in-One Plus 7420
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About this task
The following image indicates the location of the audio board and provides a visual representation of the installation procedure.
Figure 74. Installing the audio board
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.
4. Connect the power cable to its connector (DB-PWR) on the audio board and close the latch.
5. Connect the high-speed cable (DB-PWR) to the audio board and close the latch.
6. Place the audio-board shield on the display-assembly base.
7. Align the screw holes on the audio-board shield with the screw holes on the display-assembly base.
8. Replace the three screws (M3x5) that secure the audio-board shield to the display-assembly base.
Next steps
1. Install the I/O bracket.
2. Install the bottom cover.
3. Install the I/O cover.
4. Install the system-board shield.
106
Removing and installing Field Replaceable Units (FRUs)

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