pcc Asked: 2022-04-27 09:08:27 +0800 CST2022-04-27 09:08:27 +0800 CST 2022-04-27 09:08:27 +0800 CST Black screen flickering after update to 22.04 772 I've been using 20.04 and I updated to 22.04. After a few days a black flickering appears randomly, it's very annoying and it didn't happen before. Any idea what might be the cause? upgrade 1 Answers Voted dimisjim 2022-05-06T22:09:58+08:002022-05-06T22:09:58+08:00 A fix would be to add the following parameters to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub: i915.enable_dc=0 intel_idle.max_cstate=2 then update GRUB using: sudo update-grub You should be flicker-free now! Source: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970426/comments/24
A fix would be to add the following parameters to
GRUB_CMDLINE_LINUX_DEFAULTin/etc/default/grub:then update GRUB using:
You should be flicker-free now!
Source: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970426/comments/24