Dell XPS 13 (9333, Late 2013) - Manual (Page 36)

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