It does look like you need to look at the backend dmesg to see if the drivers are installed fully. There usually are messages about the tuner frontend and firmware. If it is USB you can unplug and plug it in again to see messages at the end. You might need to use jounalctl
2022-09-28, 09:01 PM (This post was last modified: 2022-09-28, 09:02 PM by Tugdwal.)
I'm back ! And I managed to make it work in a VM at least !!! You were right, firmware were missing. I tried to manually install one, but it did not work, but using a package it did.
There might be things to improve, but here is what I did :