The following worked for me from that thread
Whatever updates occurred in the last day set all the devices to managed=false in /etc/NetworkManager/nm-system-settings.conf
Change that and "sudo killall nm-system-settings" and it'll start working again.
Simple do the following:
Code:
sudo vi /etc/NetworkManager/nm-system-settings.conf
Change "managed=false" to "managed=true"
Code:
sudo killall nm-system-settings
The network manager then notifies you that the network was detect and attempts to connect you, so if all of your settings are correct then you'll have nothing to worry about.
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