I am having this problem on ubuntu 18.04 on my dell precision m3800 it has built in 13inch 4k screen which is perfectly setup and scaled but i also have external 40in 4k screen on display port , this gets scaled to the same settings as the 13inch screen which is waste.
under unity i could scale each independently and it was excellent additionally my external screen now only runs at a horrible 30hz when it used to run at 60hz the internal screen runs at 60hz . xrandr doesn't give me more options I am using the nvidia driver in fulltime optimus mode with the built in -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1687246 Title: GNOME Shell should support fractional (non-integer) Hi-DPI scaling To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1687246/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs