Dell Latitude 9430 2-in-1 Service Manual page 58

13. Unroute the white/gray WWAN main antenna cable and black/gray WWAN antenna cable from the metal clips on the system
board.
14. Remove the three (M2x4) screws that secures the USB Type-C bracket to the system board.
15. Remove the four (M1.6x2.5) screws that secure the system board to the palm-rest assembly.
CAUTION: Do not remove the screw which is used to secure the base cover hook in place.
58 Removing and installing components