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. Slide the power-supply unit cage release latches to the unlock position.
4. Lift the power-supply unit cage and rotate the power-supply unit cage away from the chassis.
5. Press the releasing clip on the power-cable connectors and disconnect the power cables from the graphics card.
6. Disconnect the power cables from the hard drives.
7. Disconnect the processor-power cable and system-board power cable from the system board.
8. Rotate the power-supply unit cage towards the chassis.
9. Remove the four screws (#6-32) that secure the power-supply unit to the chassis.
10.Slide and lift the power-supply unit, along with the cables, off the chassis.
Installing the 460 W power-supply unit
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
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