Installing The Power-Supply Unit - Dell XPS 8950 Service Manual

Steps
1. Place the computer on its side with the left side facing up.
2. Press down on the securing clip to disconnect the graphics-card power cables from the graphics card.
3. Disconnect the graphics-card power cables from the power-supply unit.
4. Press down on the securing clips to disconnect the power-supply cables from the processor-power cables.
5. Press down on the securing clip to disconnect the system-board power cable from the system board.
6. Remove the power-supply cables from the routing guides on the chassis.
7. Slide the lock mechanism on the graphics-card support bracket to release it from the chassis.
8. Slide and lift the graphics-card bracket off the chassis.
NOTE: The size of the graphics-card bracket may vary depending on the graphics card configuration on your computer
9. Remove the two screws (#6-32) that secure the power-supply cage to the chassis.
10. Slide and lift the power-supply cage off the chassis.
11. Remove the four screws (#6-32) that secure the power-supply unit to the chassis.
12. Slide and lift the power-supply unit off the chassis.

Installing the power-supply unit

Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
Removing and installing components 41