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Alienware Aurora R9 Service Manual

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Removing the 850 W power-supply unit

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the left-side cover.

NOTE: : Note the routing of all cables as you remove them so that you can route them correctly after you replace the power-supply unit.

About this task

The following images indicate the location of the power-supply unit and provides a visual representation of the removal procedure.

Image: Removing the 850 W power-supply unit

Steps

  1. Remove the two screws (#6-32) that secure the power-supply unit bracket to the power-supply unit cage.
  2. Lift the power-supply unit bracket off the power-supply unit cage.
  3. Press the releasing clip on the power-cable connectors and disconnect all the power cables from the power-supply unit.
  4. Remove the four screws (#6-32) that secure the power-supply unit to the chassis.
  5. Slide and lift the power-supply unit, along with the cables, off the chassis.
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