WiFi Network List not loading in Ubnuntu Focal Fossa In Lenovo G510

  When you install Ubuntu Focal Fossa OR any other distro like pearOS Monterey in Lenovo G510 laptop (Generally Broadcom Card is available in this), you can see that WiFi network list is not loaded by default.

 To resolve this, run the following commands.

sudo apt install linux-headers-generic

 

sudo apt install bcmwl-kernel-source (Ignore FATAL Error WL Not Found)

 

sudo apt install linux-headers-$(uname -r)

 

sudo apt install --reinstall bcmwl-kernel-source

 

Credits : https://askubuntu.com/a/811015/103478 and https://askubuntu.com/a/1320674/103478