Dell XPS 15 (L502X, Early 2011) - Manual (Page 106)

106 Speakers
5 Lift the speakers along with its cable off the top cover.
Replacing the Speakers
1 Follow the instructions in "Before You Begin" on page 9.
2 Route the speakers cable through the routing guides.
3 Align the screw holes on the speakers with the screw holes on the top cover.
4 Replace the four screws (two on each speaker) that secure the speakers to
the top cover.
5 Replace the system board (see "Replacing the System Board" on page 101).
1 speaker cable routing 2 speakers (2)
3 screws (4)
1
2
3