wifi problems

Forum discussion tagged with wifi problems.
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    Question Help fixing broken wifi - connects but doesn't show other networks.

    I installed Ubuntu Server 20.04.3 LTS and then edited the /etc/netplan/50-cloud-init.yaml file to connect to a wifi network so that I could update it and install ubuntu desktop. All is good, everything works but now I've noticed on the desktop that my wifi shows as 'unavailable' and doesn't...