Comment 2 for bug 2003762

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Daniel van Vugt (vanvugt) wrote : Re: alienware aw3423dwf flickers at 165hz under linux only.

This sounds like a bandwidth management issue, which I know Linux doesn't do as well as Windows (on Intel graphics either).

Firstly you seem to have the wrong (old) kernel still installed. It should be version 5.19 so please try fixing that with:

  sudo apt install linux-generic

or

  sudo apt install linux-generic-hwe-22.04

and reboot.

If the problem persists after that then please run:

  journalctl -b0 > journal.txt
  lspci -k > lspci.txt

and attach the resulting text files here.