Post-Requisites - Dell Alienware Area-51 Service Manual

5. Replace the four screws (#6-32x6) that secure the power-supply unit to the bezel.
6. Connect the power cable to the power-supply unit.

Post-requisites

1. Replace the multiple graphics cards
2. Replace the left and right side-panels. See
3. Replace the stability foot.
80 Replacing the power-supply unit
or full length graphics cards.
"Removing the side panels".