WiFi problems with Ubuntu 20.04

For a few weeks now, I kept having problems with my WiFi. Out of the blue, suddenly every minute or so a popup kept showing that he could not connect to my WiFi any more. Even if WiFi was not even in use because I was on cable network.

dmesg shows this message:

No beacon heard and the time event is over already…
HELLO IT HAVE YOU TRIED TURNING IT OFF AND ON AGAIN

I googled a bit, found lots of other people with the same problem, but no solution, and I had the easy ay out – the Windows method.

Today, I started to get angry, and searched again, and finally found the solution:

  • Open /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
  • If it says: wifi.powersave = 3 – change this to 2
# Values are 0 (use default), 1 (ignore/don't touch), 2 (disable) or 3 (enable).

Afterwards, restart the network manager:

sudo systemctl restart network-manager.service

I hope this solves it, and maybe if you have the same problem, there is now one more place that lists a solution and not only the problem ūüėČ

Many thanks to the german ubuntuuser forum where I found the answer: https://forum.ubuntuusers.de/topic/iwlwifi-no-beacon-heard-verbindungsabbrueche/

EDIT: Obviously, this did not work ūüôĀ

No beacon heard and the time event is over already…

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