No wired connection (internet) possible

Ask Fedora
1

Hi,

I have the problem my “internet doesn’t work” any longer since yesterday. The last thing I remember I did was to install updates (sudo dnf install) and that before the shutdown the GUI aks “Install pending software updates before shutdown” (or similar) and I said yes. A little bit strange because I installed updates via shell before but I did’t think about it.

  • The ethernet cable is fine. I tested it with another machine. And I tried another cable.
  • The hardware/mainboard is fine. I used Fedora-Live USB stick and there the cable connection runs without any problem.
  • I removed the connection profile several times and add another one without any results.
  • I did not change any network settings. And the settings (DHCP, DNS etc.) are the same as with the Fedora-Live-USB (which worked).

Unfortunatly I don’t have any possibilty to connect the computer via WiFi to download anything. I had to buy a USB-WiFi but in this case I would prefer to reinstall Fedora. But maybe someone has any idea what the problem could be?

Thanks for your time and best regards
Stephan

2

Do you have Mullvad VPN installed? If yes, check its configuration and disable the lockdown mode into vpn settings. Probably it’s a bug in the Mullvad update, it enables the lockdown mode by default.

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3

WOW! Thank you very much! That was the problem.

I would never have been able to figure that out alone. So once again: thank you very much for saving me so much time and that you take yours to read and answer my post.

:smiling_face:

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