*** This bug is a duplicate of bug 1867668 *** https://bugs.launchpad.net/bugs/1867668
Oh! I see the problem in XorgLog.txt and XorgLogOld.txt. You're using the old 'intel' driver so that makes it bug 1867668. Please uninstall it by: sudo apt remove xserver-xorg-video-intel ** This bug has been marked a duplicate of bug 1867668 Visual artifacts in Gnome Shell when using the old 'intel' Xorg driver -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1964090 Title: i915 - image flickering and image artifacts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1964090/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs