First time setup issues and questions

I installed Win10 on an Asus G75VW-NS71 and went through the Heavy software update again and I had the github error 99 thing, then I found this thread:

But it crashed QGC a few times, then eventually worked, so I can now control all eight thruster manually via QGC.

Everything seems to be going pretty well, except there’s no video at all. It just shows the earth view, but in murder red. The back of the laptop has also started buzzing(not at first) when I plug in the Topside Interface, then I found this:

https://www.ardusub.com/troubleshooting/troubleshooting.html#no-video

Tether interface power supply - If you are using a tether interface board, make sure it has a solid power supply. Some laptop USB ports cannot provide enough power for the tether interface board to perform optimally. Try using a portable USB battery charger.

Anyone have similar troubles?