Dell OptiPlex Gxi - Manual (Page 99)

Eject-, Power-, and Reset-Button Removal (Mini Tower Chassis): OptiPlex GXi
1. Lay the front bezel on a flat work surface with the back of the bezel facing up.
2. To remove the 3.5-inch diskette-drive eject button, pull gently on the plastic part of the button until it comes free.
3. To remove the power button and the reset button, use a small screwdriver and push in the two or three plastic clips that hold the button to the bezel.
When these clips are released, the button comes free from the bezel.