PCI device dom0:03_00.0 does not exist

Why do I get “PCI device dom0:03_00.0 does not exist” when trying to run any Qubes OS VM? How can I fix it? I am a total beginner in Linux so please don’t make much fun of me :slight_smile:

Probably you attached the device to some VM and the ID was removed later for whatever reason (hardware change or BIOS update).

Remove 03:00.0 from whatever VM that you attached it to. Check the VM settings (devices tab) of your VMs for it.


Thank you! Everything works fine now