Thanks for the bug report. While the flickering is happening please run:
journalctl -b0 > journalwithflicker.txt and attach the resulting text file here. Next please try selecting 'Ubuntu on Xorg' on the login screen, login and run: journalctl -b0 > journalwithxorg.txt xrandr --verbose > xrandr.txt and attach the resulting text files here. ** Tags added: hybrid i915 multimonitor nouveau ** Package changed: xorg (Ubuntu) => mutter (Ubuntu) ** Changed in: mutter (Ubuntu) Status: New => Incomplete ** Summary changed: - Screen flickering on external monitor (laptop) + [ASUS GL552VW] Screen flickering on external monitor -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1975872 Title: [ASUS GL552VW] Screen flickering on external monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1975872/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs