Wifi not working on ubuntu 14.04

drywall_dan

I have installed 14.04. After installing my wifi was not working, so i went to software & updates and in additional drivers i selected broadcomm driver My wifi worked for a week. Then now again it is not working. Here is an image of additional drivers

Originally asked by user294425 on Stack Exchange (askubuntu) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

user294425 you may want to run dmesg and provide additional info.... also I had a similar problem where wifi worked then was greyed out. you may want to check your bios wifi settings seems ubuntu desktop10.10 and now 14.04 has a bug that changes bios setting for wifi on some computers (especially HP) (see this solved thread - http://ubuntuforums.org/archive/index.php/t-1667464.html ) pretty_whistle January 19th, 2011, 05:50 AM I've solved this whole thing - The problem is this Ubuntu version has a bug, which I'll be reporting. The bug is that when Ubuntu is installed, it makes a change in the BIOS. It 'disables' >the Internal Network Adapter Boot - a.k.a. network adapter. With this...

Full answer by doubt: https://askubuntu.stackexchange.com/a/496977 (CC BY-SA 4.0).

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