Dell Latitude 3540 - Installing the System Board

3. Disconnect the following cables:
a) display cable
b) power-connector port cable
c) speaker cable
d) I/O board cable
e) Touch cable (for touch computer only)
4. Remove the screw that secures the system board to the computer. Lift the system board from the computer.
Installing the System Board
1. Align the system board in its place on the computer.
2. Tighten the screw to secure the system board to the computer.
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