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Linux Distribution: Pop!_OS
Desktop Environment: Gnome
Graphics Card: 4070 Laptop
GPU Driver Version: 550.67
Have you checked for system updates?: Yes
If this is to do with Steam, please add your system read-out from Steam -> Help -> System Information (please put that into Pastebin/Gist as linked above!): https://pastebin.com/6ysHgibW
You can note your issue below here
I have a laptop that runs Pop!_OS. It has a 1080p bult-in screen with 144hz and I connected a 1440p screen with 165hz via usb-c (displayport) to the laptop. I made the external monitor the primary. Whenever I open a game in Steam it opens on the built-in screen and from then on the external screen is frozen until I set the built-in as single display and then change it back to join displays. Most of the time the games also open in the 1440p resolution, leading to not see the whole game.
Is Linux just bad with handling with multi display setups or is something wrong? Thanks in advance.