We will start by removing the back cover. To do this we will introduce a spike between it and the frame to unhook the notches that hold it.

This casing is very well fitted, probably more force than skill is needed. : P

To remove this case, remove part of the adhesive that covers it and remove the screws that hold it to the chassis.

We take off the part of the adhesive that covers both the cable and the connector shield.

Now we remove the two screws that hold the shield and we move it away.

Now we can disconnect both ends of the cable.