Dell Inspiron 13z (N311z, Mid 2011) - Manual (Page 49)

Display 49
Replacing the Display Brackets
1 Follow the instructions in "Before You Begin" on page 9.
2 Replace the six screws (three on each side) that secure the
display-panel brackets to the display panel.
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 44.
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.