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Dell OptiPlex 7780 All-In-One - Power-Supply Fan; Removing the PSU Fan

Dell OptiPlex 7780 All-In-One
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Next steps
1. Install the bottom cover.
2. Install the system-board shield.
3. Install the back cover.
4. Install the cable cover (optional).
5. Install the stand.
6. Follow the procedure in After working inside your computer.
Power-supply fan
Removing the PSU fan
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.
About this task
The following image provides a visual representation of the PSU fan removal procedure.
Steps
1. Remove the power-supply cable from the routing guides on the PSU fan.
2. Disconnect the PSU-fan cable from the system board.
3. Remove the two screws (M3x5) that secure the PSU fan to the display-assembly base.
4. Lift the PSU fan from the display-assembly base.
48
Removing and installing components

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