Removing The Power Supply Unit - Dell OptiPlex 9010 Owner's Manual

3. Use a screwdriver to tighten the screws to secure the Input/Output panel to the computer.
4. Connect the Input/Output panel data cable to the system board.
5. Install the drive cage.
6. Install the front bezel.
7. Install the cover.
8. Follow the procedures in

Removing the Power Supply Unit

1. Follow the procedures in
2. Remove:
a) cover
b) front bezel
c) drive cage
d) intrusion switch
e) heat sink
3. Disconnect the power cables from the system board.
4. Remove the screw that secures the power supply to the system board.
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After Working Inside Your Computer .
Before Working Inside Your Computer .