ubuntu 20.08 wifi adapter not found code example

Example 1: wifi adapter not found ubuntu 20.04

sudo apt install --reinstall bcmwl-kernel-source

Example 2: ubuntu 20.04 wifi adapter not found dell

SOLUTION

sudo apt-get purge bcmwl-kernel-source

sudo apt-get install broadcom-sta-source broadcom-sta-dkms broadcom-sta-common

reboot