Dell Latitude 3140 Service Manual page 54

7. Remove the single (M2x4) screw and six (M2.5x5) screws that secure the display assembly to the computer chassis.
8. Lift and remove the display assembly from the computer chassis.
Installing the display assembly (Laptop)
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of the display assembly and provides a visual representation of the installation
procedure.
54 Removing and installing components