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
This is how I solved the problem in my Dell Inspiron 5520 laptop. Once you have the dkms mentioned above you need to download and install BroAdcom STA. There are two ways of doing this