Dell Inspiron 3520, installed 12.10 Can't get wifi to work

view story

http://askubuntu.com – i have an inspiron 3520 that came pre-installed with windows 8. i installed ubuntu 12.10 but wasn't able to locate/install the wireless driver and had to go back to windows 8. I'd rather have ubuntu but i need my wifi. help please (HowTos)