Dell XPS 15 (L521X, Mid 2012) - Manual (Page 70)

3
Procedure
1 Remove the screws that secure the palm rest to the display hinges.
2 Open the palm rest as far as possible.
1
2
3
1 screws (6) 2 display hinges (2)
3 palm rest
Slide and remove the palm rest from the display hinges.
1
3
2
1 display 2 tabs (2)
3 palm rest
70 | Removing the Palm Rest