Dell XPS 15 (L501X, Late 2010) - Manual (Page 110)

110 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.
1 speaker cable routing 2 speakers (2)
3 screws (4)
1
2
3