Dell XPS 15 (L502X, Early 2011) - Manual (Page 51)

Display 51
13 Loosen the captive screw that secures the display grounding cable.
14 Note the routing of the display cable and remove the cable from the
routing guides.
15 Note the routing of the Mini-Card antenna cables and remove them from
the routing guides on the top cover.
16 Gently pull the antenna cables up from the bottom of the computer
through the slot on the top cover.
17 Remove the four screws that secure the display assembly to the computer
base.
1 captive screw 2 display cable connector
3 digitizer board cable
1
2
3