I am a total linux noob so please do not post complicated answers.
I am running an old(ish) HP laptop that came pre-installed with Windows Vista. I hate Windows Vista so I started searching for an alternate OS. I discovered Ubuntu. I prepared a LiveCD (with Ubuntu 12.04 32-bit) and put it into the computer. It worked fine as far as I can tell. I like Ubuntu so much I decide to install it. It's then that I discover I am not connected to the internet. I spent the next hour or so trying to connect to the internet. I can't. Even the little light on the bottom of my laptop that shows that my Wireless thing is on is off. I shut down Ubuntu, go back to Vista and I can access the internet as much as I like from there. The Wireless light comes back on. It just won't work from Ubuntu. I have tried lots of things from different forums (including this one) but none of them seem to work.
Somebody please help me out!!!