Dell Inspiron 15 (N5040, Mid 2011) - Manual (Page 64)

64 Display
9 Turn the display panel over and place it on a clean surface.
10 Peel and lift the tape that secures the display cable to the display-board
connector and disconnect the display cable.
11 Make a note of the display cable routing and peel the cable from the back
of the display panel.
1 screws (4) 2 display-panel brackets (2)
1
2