This looks like a confused installation. The GPU is Intel, but you have
an Nvidia driver installed, and an AMD kernel workaround on the command
line.
But none of that should hurt...
What will hurt is the unsupported "oibaf" packages you have replaced the
official graphics drivers with. Sorry, but we cannot support such
changes. Please remove the PPA from your system or just reinstall the OS
without making any such changes. Then report new bugs for any issues you
find.
** Package changed: xorg (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2062504
Title:
Flickering problems on external monitor with HDMI after installing
Ubuntu 23.10
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