Cant connect to internet using Boot Camp!!!

I've followed the correct steps for installing Boot Camp but still un able to connect to the internet. Downloaded support 5.1.5621 to one usb drive, downloaded Windows 8 iso to desktop ran bootcamp assistant created windows 7 or later version install disk then installed windows. Followed the steps to install windows and then ran setup bootcamp drivers from the usb. Still no luck, internet randomly connects and disconnects this has been happening for 2 days now please help.