Thank you for your bug report, the log has those warnings which is weird Xlib: extension "RANDR" missing on display ":0".
could be somehow due to the nvidia drivers ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete ** Changed in: gnome-control-center (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1972037 Title: Stack Overflow - gnome-control-center To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1972037/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs