Dell Latitude 7400 Service Manual page 71

NOTE: For models shipped with a fingerprint reader or WWAN antennas, there are three (M2x4) screws securing the
system board to the computer.
3. Place the USB Type-C bracket [1] on the system board and secure it using two (M2x5) screws [2] to the system board.
4. Install the DDR ESD bracket [1] on the system board and secure it using two (M2x2.5) screws to the system board [2]
Removing and installing components 71