Адаптер Wi -Fi не обнаружен Ubuntu
# Run this and reboot
sudo apt-get install --reinstall bcmwl-kernel-source
Fragile Fox
# Run this and reboot
sudo apt-get install --reinstall bcmwl-kernel-source#for Ubuntu 20.04
sudo apt install linux-generic-hwe-20.04SOLUTION
sudo apt-get purge bcmwl-kernel-source
sudo apt-get install broadcom-sta-source broadcom-sta-dkms broadcom-sta-common
rebootsudo apt install --reinstall bcmwl-kernel-source
sudo apt install linux-generic-hwe-18.04