wifi adapter ubuntu code example
Example 1: wifi adapter not detected ubuntu
# Run this and reboot
sudo apt-get install --reinstall bcmwl-kernel-source
Example 2: no wifi adapter found ubuntu 18.04
sudo apt install linux-generic-hwe-18.04
# Run this and reboot
sudo apt-get install --reinstall bcmwl-kernel-source
sudo apt install linux-generic-hwe-18.04