Dell XPS 14 (L421X, Mid 2012) - Manual (Page 23)

2 Disconnect the speaker cable from the I/O-board connector.
3 Note the location of the tape that secures the speaker cable to the battery and
peel the tape off.
4 Remove the screws that secure the speakers to the palm-rest assembly.
5 Lift the speakers, along with the speaker cable, away from the palm-rest assembly.
3
4
5
1
2
1 I/O board 2 speaker cable
3 screws (4) 4 speakers (2)
5 tape
Removing the Speakers | 23