Limited connection but hardware works

I agree but not always there is enough time to solve in “logical” way nor there is a valid expert that can find a solution. As an example I have a big problem that is still unsolved.

You’re right. I’m writing from my friend’s pc. Then problem solved but not clear to me which is the solution.

I don’t saw any link suggested. Sorry.
If you refer to sudo ln -sf /run/NetworkManager/resolv.conf /etc/resolv.conf yes I did it.