Wifi problem after ubuntu 12.10 updating today !

view full story

http://askubuntu.com – I just updated my ubuntu 12.10 today and it went fine and I was told to restart system and after i restart my wifi stopped working. Mine is broadcom BCM4312 card . It was working fine just before the update ! I tried reinstalling driver from software sources and it didn’t work, it shows the propriety driver in use but network manager doesn’t detect my wifi card. (HowTos)