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Dell OptiPlex 7490 All-In-One - Power-button board; Removing the power-button board

Dell OptiPlex 7490 All-In-One
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Power-button board
Removing the power-button 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 bottom cover.
7. Remove the rear-I/O bracket.
8. Remove the speakers.
About this task
The following image indicates the location of the power-button board and 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. Remove the screw (M3x5) that secures the power-button board to the middle frame.
3. Lift the power-button board away from the middle frame.
68
Removing and installing components

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