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Dell OptiPlex 7780 All-In-One - Installing the Power-Button Board

Dell OptiPlex 7780 All-In-One
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2. Remove the stand.
3. Remove the cable cover (optional).
4. Remove the back cover.
5. Remove the system-board shield.
6. Remove the bottom cover.
7. Remove the rear-I/O bracket.
8. Remove the speakers.
About this task
The following image provides a visual representation of the power-button board removal procedure.
Steps
1. Open the latch and disconnect the power-button board cable from the connector on the system board.
2. Unroute the power-button board cable from the display-assembly base, then slide the power-button board cable out from under the
antenna cables.
3. Remove the screw (M3x5) that secures the power-button board to the middle frame.
4. Lift the power-button board, along with its cable, off the middle frame.
Installing the power-button board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image provides a visual representation of the power-button board installation procedure.
68
Removing and installing components

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