[image|3215771]
Carefully remove the silicone
[image|3215796]
[image|3215797]
[image|3215798]
[image|3215799]
[image|3215801]
[image|3215802]
Take out the PCB with the ribbon cable-no screews.
[image|3215803]
Joints are wery weak and had not enough soldering paste.
[image|3215806]
[image|3215811]
[image|3215812]
Resolder broken DC port(shame on you engineer of the soldering process design!)
Give some silicone on the ribbon cable and put it back to the case.
Good luck.