Thanks. Please try these fixes separately so we can see which one if any avoids the problem:
------------------------------------------------ 1. Edit /etc/default/grub and change: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.enable_psr=0" 2. Run: sudo update-grub 3. Reboot. ------------------------------------------------ 1. Edit /etc/environment and add a line: MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 2. Reboot. ------------------------------------------------ -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1948778 Title: Random flashes in gnome-shell To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1948778/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
