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10

Screen flicker after fresh install of Ubuntu 22.04

rated 0 times [ 10] [ 0] / answers: 1 / hits: 14169 / 3 Years ago, sun, may 9, 2021, 12:59:27

I am currently experiencing some random screen flickering after a fresh install. I have a Lenovo laptop with Mesa Intel® UHD Graphics 620 (KBL GT2). It was working fine on 21.10.

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hical

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answered 3 Years ago imonove · Accepted Answer

A bug has been reported at Launchpad. If you're experiencing this issue, you can report it too.

Until it's fixed, this workaround worked for me:

sudo nano /etc/default/grub

In the grub file, I added to parameter GRUB_CMDLINE_LINUX_DEFAULT the value "i915.enable_dc=0 intel_idle.max_cstate=2". Then saved the file and run:

sudo update-grub

... to update grub. I did a reboot. I'm now flicker-free for ten days.