Dell Latitude 5490 Owner's Manual page 37

4 To release the system board:
a Flip over the system and remove the screw that secures the display cable to the system.
b Flip over the system and remove the two M2x3 screws that secure the display cable bracket in place [1].
c Lift the metal display cable bracket from the system [2].
d Disconnect the display cables from the connectors on the system board [3,4].
e Disconnect the power connector port cable from the connector on the system board 5.
f Remove the two M2x5 screws that secure the type-C USB bracket in place [6].
NOTE: The metal bracket secures the DisplayPort over USB Type-C.
g Lift the metal bracket away from the system [7].
Removing and installing components 37