Dell XPS M1530 (M1530, Late 2007) - Manual (Page 61)

Button Board 61
3 Replace the two screws that secure the button board to the system board.
4 Replace the keyboard (see "Replacing the Keyboard" on page 56).
5 Replace the Hinge Covers and the Center Control Cover (see "Replacing
the Hinge Covers and Center Control Cover" on page 47).