I have back tracked to the duplicate bug https://bugs.launchpad.net/bugs/1958191 and followed the suggested fix, which was patch grub boot;-
Patched my grub boot file GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.enable_dc=0 intel_idle.max_cstate=2" sudo update-grub and restarted machine Works a treat no more screen flicker after upgrade to 24.04 and several reboots just to be sure fix worked on Dell Insperion 9555 i7 64/16Gb 1Tb Radeon GPU. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2062951 Title: Random flickering with Intel i915 on Linux 6.8 (Ubuntu 24.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2062951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
