Dell Precision M2400 (Mid 2008) - Manual (Page 30)

11. Once all snaps are released, lift the bezel from the display assembly.
Replacing the Display Bezel (E6400 and M2400)
1. Align the latch hook on the display panel with the small rectangular opening on the display bezel.
2. Simultaneously push in on the right and left sides of the bezel to engage the side bezel snaps.
1 right side of display bezel 2 top of display bezel
3 left side of display bezel 4 bottom of display bezel
5 display panel
CAUTION: Before you begin the following procedure, follow the safety instructions that shipped with your computer.
1 opening on display bezel 2 latch hook on display panel