I have a very similar problem, today I asked a question on ask ubuntu
https://askubuntu.com/questions/1265779/video-issues-with-amd-igpu-and-nvidia-gpu-in-an-aspire-a715-41g-laptop
I have a very similar problem, today I asked a question on ask ubuntu
https:/ /askubuntu. com/questions/ 1265779/ video-issues- with-amd- igpu-and- nvidia- gpu-in- an-aspire- a715-41g- laptop