Dell XPS M1530 (M1530, Late 2007) - Manual (Page 65)

Display Assembly 65
6 Remove the two M2.5 x 5-mm screws labeled "D" from the computer base.
7 Remove the keyboard (see "Removing the Keyboard" on page 55).
8 Remove the two M2.5 x 8-mm screws from each side of the display
assembly.