Ubuntu – Ubuntu 13.04 64bit – Wi-Fi not detecting any networks

13.04broadcomwireless

First off, I am new to Linux/Ubuntu, and I barely know anything about it. I know this was answered on the web many times, but I tried all I could find, and nothing worked. There is no way I could access internet inside Ubuntu, as wi-fi is my only source of connection. I am dual-booting it on a MacBook Pro Retina (mid 2012), if that's any useful information… Another thing is that when I open System Settings>Software & Updates, and enable "Cdrom with Ubuntu 13.04 'Raring Ringtail'", and open the additional drivers tab, I see "Broadcom Corporation: BCM4331 802.11a/b/g/n", and below it says "This device is not working.". If I enable it, it just reverts back to "Do not use this device".

I have also tried the n43 solution, and a whole bunch of terminal commands that I found on the web, to get it working. I had no luck so far. I'll put additional information if I need to.

Thank you for your time.

Best Answer

long time since I had this kind of problem. YOu can get it propably running by ndiswrapper but first you need to kill any module accesing it post here your lsmod

rough idea is to kill not working module, find ini file and some libs from your driver copy it into your home directory from USB key

ndiswrapper -i <your inifile from windows driver of the same architecture as distro>
sudo modprobe -r <your not working wifi driver>
sudo modprobe ndiswrapper

but after you disable card and then you may need to kill module so send outcome of

lsmod
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