Removing The Power Supply - Dell OptiPlex 3020 Owner's Manual

5. Install the:
a) drive cage
b) optical drive
c) front bezel
d) cover
6. Follow the procedures in After Working Inside Your Computer.

Removing the Power Supply

1. Follow the procedures in Before Working Inside Your Computer.
2. Remove:
a) cover
b) front bezel
c) optical drive
d) drive cage
3. Perform the following steps as shown in the illustration:
a) Press the 8–pin and 4–pin power cable [1].
b) Disconnect the 8-pin and 4–pin power cables from the system board [2].
c) Unroute the cable from the system board.
4. Release the blue latch from the system.
Disassembly and reassembly 19