Power Supply; Removing The Power Supply - Dell OptiPlex 990 Service Manual

Power Supply

Removing the Power Supply

1. Follow the procedures in
cover .
2. Remove the
front bezel .
3. Remove the
drive cage .
4. Remove the
intrusion switch .
5. Remove the
heat sink .
6. Remove the
7. Disconnect the cables from the system board.
8. Remove the screw that secures the power supply to the chassis.
9. Remove the screws that secure the power supply to the chassis.
Before Working Inside Your Computer .
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