Dell Inspiron M511R (Mid 2011) - Manual (Page 51)

Display 51
2 Align the screw holes on the display-panel bracket with the screw holes on
the display panel and replace the four screws (two on each side).
3 Replace the display panel (see "Replacing the Display Panel" on page 47).
4 Replace the display bezel (see "Replacing the Display Bezel" on page 45).
5 Replace the display assembly (see "Replacing the Display Assembly" on
page 43).
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.