Dell XPS 14 (L421X, Mid 2012) - Manual (Page 64)

1
2
Procedure
CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and
time-consuming to replace. Be careful when removing and handling the
keyboard.
Note the location of the mylars and peel them from the keyboard bracket.
1
1 mylars (3)
Remove the screws that secure the keyboard bracket to the palm-rest assembly.
64 | Removing the Keyboard