4.Remove the screws that secure the system board to the chassis. Then, disconnect and remove the following:

a.I/O board cable (1) and (2)

b.LVDS cable (4)

5.Lift and remove the system board from the chassis.

Installing the System Board

1.Insert the system board into the chassis.

2.Connect the I/O board connector to the system board.

3.Connect the LVDS cable to the system board.

4.Connect the speakers to the system board.

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Dell 3445 owner manual Installing the System Board