ubuntu no wifi adapter found 20.04 code example

Example 1: fix no wifi adapter found ubuntu 20.04

#for Ubuntu 20.04
sudo apt install linux-generic-hwe-20.04

Example 2: no wifi adapter found ubuntu 18.04

sudo apt install linux-generic-hwe-18.04

Example 3: wifi adapter not found ubuntu 20.04

sudo apt install --reinstall bcmwl-kernel-source