Dell Latitude 3390 2-in-1 Owner's Manual page 31

a base cover
b battery
c display assembly
3 To remove the display cover:
a Using a plastic scribe, pry the display cover from the edges to release it from the display assembly [1].
b Lift the display cover away from the display assembly [2].
c Release the display cable and touch screen board cable from under the display hinge [3].
Installing the display cover
1 Route the display cable and touch screen board cable to the display hinge.
2 Place the display cover on the display assembly and press along the edges to secure it.
3 Install the:
a display assembly
b battery
c base cover
4 Follow the procedure in After working inside your computer.
Removing and installing components 31