The motherboard is the next component to be removed.

First, disconnect the barrel plug from the motherboard.

Next, remove the 4 PH1 screws that secure the motherboard to the enclosure

Finally, remove the single PH1 screw securing the barrel plug to the enclosure, and remove the motherboard.

The barrel plug cable can then be pulled out with the barrel plug by simply lifting it off the enclosure, as it uses very little adhesive