Display Assembly; Removing The Display Assembly - Dell Latitude 3440 Service Manual

Steps
1. Connect the WWAN FPC cable to its connector and flip the system board.
2. Align and place the system board on the palm-rest and keyboard assembly.
3. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly.
4. Replace the four screws (M2x3) to secure the system board to the palm-rest and keyboard assembly.
5. Connect the following cables to the respective connectors on the system board:
a. Touchpad cable
b. I/O board cable
c. Speaker cable
d. Thermal fan cable
e. Display cable
f. Power adapter port cable
6. Align and place the USB type-C bracket on the system board.
7. Align the screw holes on the USB type-C bracket with the screw holes on the system board.
8. Replace the screw (M2x5) to secure the USB type-C bracket to the system board.
9. Gently press the right display hinge in downward direction towards the system board.
10. Align the screw holes on the right display hinge with the screw holes on the system board.
11. Replace the two screws (M2.5x5) to secure the right display hinge to the system board.
Next steps
1. Install the display assembly.
2. Install the thermal heat-sink.
3. Install the thermal fan.
4. Install the wireless card.
5. Install the M.2 2230 solid-state drive
6. Install the battery.
7. Install the base cover.
8. Follow the procedure in

Display assembly

Removing the display assembly

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
About this task
NOTE: The display assembly removal procedure is the same for both clamshell and 2-in-1 convertible chassis.
The following images indicate the location of the display assembly and provide a visual representation of the removal procedure.
or the M.2 2280 solid-state
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drive, whichever applicable.
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Removing and installing components 55