Ubuntu 22.04 screen flickering on DELL 5480

Question

I've installed a Ubuntu 22.04 server on my DELL 5480 but now the screen is flickering incessantly.

lspci | grep VGA

VGA compatible controller: Intel corporation Skylake GT2 [HD Graphics 520] (rev 07)

Is it possible to update the driver or is there another solution ?

Answer 1

I finally found the solution thanks to this post.

Edit the grub file:
sudo vim /etc/default/grub

Add the following values to the GRUB_CMDLINE_LINUX_DEFAULT parameter:

GRUB_CMDLINE_LINUX_DEFAULT="i915.enable_dc=0 intel_idle.max_cstate=2"

sudo update-grub

Reboot

Now the flickering is gone.