Dell XPS 13 (L322X, Early 2013) - Manual (Page 45)

3 Remove the screws that secure the system board to the palm-rest assembly.
1
2
1 system board 2 screws (4)
4 Turn the system board over and place it over the palm-rest assembly.
5 Lift the connector latch and disconnect the keyboard cable from the
system board connector.
System Board 45