Installing The System Board - Dell Latitude 3440 Service Manual

Steps
1. Remove the two screws (M2.5x5) that secure the right display hinge to the system board.
2. Lift the right display hinge in upward direction away from the system board.
3. Remove the two screws (M2x5) that secure the USB type-C bracket to the system board.
4. Lift and remove the USB type-C bracket from the system board.
5. Disconnect the following cables from the respective connectors on the system board:
a. Touchpad cable
b. I/O board cable
c. Speaker cable
d. Fan cable
e. Display cable
f. Power adapter port cable
6. Remove the four screws (M2x3) that secure the system board to the palm-rest and keyboard assembly.
7. Lift to flip the system board and disconnect the WWAN FPC cable.
8. Remove the system board from the palm-rest and keyboard assembly.

Installing the system board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Removing and installing components 53