Dell Vostro 260 (Mid 2011) - Manual (Page 32)

6. Slide the power switch and hard drive LED cable out through the front of the
computer.
Installing The Power Switch
1. Insert the power switch and hard drive LED cable through the front of the computer.
2. Place the hard drive LED button into the slot by pulling it in into it's slot
3. Push the power button into it's slot and press it in till it snaps into place.
4. Connect the power-switch cable to the system board.
5. Replace the cover .
6. Follow the procedures in After Working Inside Your Computer .
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