Dell Vostro 260s (Mid 2011) - Manual (Page 29)

10. Lift the power supply out of the computer.
Installing The Power Supply
1. Place the power supply into the computer.
2. Slide the power supply towards the back of the computer till it snaps into place.
3. Replace the screws to secure the power supply to the computer.
4. Thread the power cables through the metal clips.
5. Connect the power cables to the system board.
6. Replace the hard drive .
7. Replace the optical drive .
8. Replace the front panel .
9. Replace the cover .
10. Follow the procedures in After Working Inside Your Computer .
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