Dell Latitude 7390 Owner's Manual page 41

Keyboard
Removing keyboard from keyboard tray
1 Follow the procedure in
2 Remove the keyboard assembly
3 Remove the M2.0 x 2.0 screws that secure the keyboard to the keyboard assembly [1].
4 Lift the keyboard away from the keyboard tray [2].
Installing keyboard to keyboard tray
1 Align the keyboard with the screw holders on the keyboard tray.
2 Tighten the M2.0 x 2.0 screws to secure the keyboard to the keyboard tray.
3 Install the keyboard assembly.
Before working inside your computer.
Removing and installing components 41