Dell Inspiron 15R (N5110, Early 2011) - Manual (Page 42)

42 Display
4 Follow the instructions from step 3 to step 9 in "Removing the Palm-Rest
Assembly" on page 31.
5 Disconnect the display cable and touch-screen cable from the
system-board connectors.
NOTE: The touch-screen board is optional and may not be present in your
computer.
6 Disconnect the Mini-Card antenna cables from the connectors on the
Mini-Card(s) (see "Removing the Mini-Card(s)" on page 37).
7 Note the routing of the Mini-Card antenna cables and remove the cables
from the routing guides.
8 Remove the four screws that secure the display assembly to the computer
base.
9 Lift the display assembly off the computer base.