

The mouse cursor showing up correctly rules out a physical connection issue to the screen.
What is supposed to be on the screen right now? Is it just the deskop, an app, a game… ? That might provide more insight.
But I’d guess a hardware issue off the bat. Something with the GPU, or perhaps more specifically with VRAM.
Happens to me all the time on a VPN.
It isn’t every IP. I just change tunnels.