It's not choosing the lowest frequency. Lionel just chose that as a random example from your xrandr.txt. That same file shows the current mode is:
2560x1440 (0xbb) 241.500MHz +HSync +VSync *current +preferred -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1892296 Title: gnome-control-center cannot change resolution of external monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1892296/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
