Open your activity monitor (or hit Ctrl+Esc) and sort by CPU usage. What’s your computer doing?
Also, have you installed all necessary drivers? I’ve never had your problem, so there’s a chance you don’t have the right drivers.
Could you follow the instructions on https://linux-hardware.org/?view=howto , upload a hardware probe and share the link here?
And you uploaded it to peertube. Good lad! Thanks for the video