Hi TraineeV2,
I need to say that you are facing a normal phenomenon. Due to different resolution, game switch between 4K monitor and 1080 monitor does will show the proper resolution automatically, we really need to modify it manually, unless two monitors using the same
resolution.
There is a good discussion about similar topic
https://superuser.com/questions/66101/set-dpi-of-individual-applications-in-windows
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Regards
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