I have a very odd problem since I updated my Lenovo T430 from Ubuntu 18.04 to 20.04. The computer does not find certain wifi networks. In general wifi is working as I am typing these lines being hooked up to a wifi hotspot provided by my smartphone. However, the wifi network in the flat I am sitting in does not show up on the available networks. Prior to the update, I was able to use this wifi network.
Has anybody suggestions for trouble-shooting this?
Most results I find deal with wifi that is not working entirely, which is not the case in my case.
I have already tried to delete the network, and re-enter its SSID. It still does not show up. It works, since there is an iPad around which is connected to it.
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