Installing The Power Supply - Dell OptiPlex 390 Small Form Factor Owner's Manual

. Place the power supply in the chassis and slide outward to secure it
Tighten the three screws securing the power supply to the back of the
. Follow the procedures in
43
. Connect the power cable to the system board
. Thread the power cable into the chassis clips
. Connect the power cable to the system board
After Working Inside Your Computer

Installing The Power Supply

. computer
fan shelter
. Install the
drive cage
. Install the
front bezel
. Install the
. Install the
1 .
2 .
3 .
4 .
5 .
6 .
7 .
8 .
cover
9 .
. 10