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Very weird looking tearing, but if you are playing 24, 25, or 50 FPS content on a TV or monitor that is locked to 60HZ it is going to tear, some handle it better than others.

I suspect your output is set to 60hz or something and you are watching content that isn't at either 30 or 60 and your playback software isnt doing autoswitching (kodi, plex etc do this, but not web browsers or apps like netflix)

So it's not a hardware fault, its just the reality of watching media on a computer with an external display, so it's a software configuration problem.

Also, considering the severity of it, are your video drivers up to date? that amount of tearing is close to what you'd see when running standard vesa drivers like when you have no video driver installed at all.

I'd it's a monitor with g-sync/freesync, turn that on. Otherwise, try to turn on v-sync. Looks like classic screen tearing.

I used to see this on my Linux desktop with an old Acer monitor and Intel integrated graphics. Haven't noticed it in a long time with newer linux

Solved: Ok, it seems to have been a software problem. That had to do with the sync. I have installed ubuntu on the laptop for now and everything works again. Some update seems to have shot something. I am now using a

Edit: I want to add that this problem occurred from one day to the next. I'm using Jellyfin as playback, but this effect even occurs when moving windows over the screen