lspci -vnn gave me this (relevant) output:
08:00.0 Network controller : Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
I don't know how to proceed in order to get it working. Help on this is appreciated.
navigate to the folder you have saved the downloaded file and run this command.
i tried this but i was to fix : lo no extension