Replacing The Power-Supply Unit; Procedure; Post-Requisites - Dell Alienware Area-51 R5 Service Manual

Replacing the power-supply unit

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the
steps in Before working inside your
inside your computer. For more safety best practices, see the Regulatory Compliance home page at
regulatory_compliance.

Procedure

WARNING: The cables and ports on the back of the power-supply unit are color-coded to indicate the different power
wattage. Ensure that you plug in the cable to the correct port. Failure to do so may result in damaging the power-supply
unit and/or system components.
1. Align and place the metal bracket on to the power-supply unit.
2. Replace the four screws (#6-32x6) that secure the metal bracket to the power-supply unit.
3. Press and hold the securing tab on the chassis and slide the power-supply unit into the chassis until it snaps into position.
4. Align the notch on the power-supply unit cover with the tab on the chassis.
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 graphics cards
2. Replace the left and right side-panels. See
3. Replace the stability foot.
computer. After working inside your computer, follow the instructions in
or multiple graphics cards.
"Replacing the side panels".
After working
www.dell.com/
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