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My WiFi connection regularly does not work after suspending Ubuntu 20.04. I had a similar problem with Ubuntu 18.04 but then I could always run

sudo service network-manager restart

and it would work again. However this does not work anymore since I've installed Ubuntu 20.04. I followed the wireless network troubleshooter guide on the ubuntu website. I tried to connect to a different network (phone hotspot) and I tried some of the the opposed solutions I could find in related questions like

sudo nmcli radio wifi off

and

sudo mncli radio wifi on

or

sudo systemctl enable wifi-resume.service

Nothing works so far. The problem occurs about half the time I suspend my laptop or close and open the lid. The only solution I have now is to reboot or suspend and unsuspend ubuntu again.

Any thoughts on possible solutions here?

Ricoter
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  • can you run ifconfig, route -n, ping 8.8.8.8 commands and post the output of them? another question is are you connected via cable or just wifi? – johncli Sep 30 '20 at 12:23
  • Try this solution for wifi going to sleep: https://askubuntu.com/questions/1022203/how-to-prevent-wifi-sleep-after-suspend – SimpliFixed Sep 30 '20 at 16:25
  • I think some update fixed this for me, it just stopped being a problem. Thanks. – Ricoter Feb 20 '21 at 13:58

1 Answers1

1

i have this issue as well

i wrote this script and use it when it happen

#!/bin/bash

sudo nmcli networking off
sudo nmcli networking on
Cardani
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