I have ubuntu 12.04 LTS dual booting with windows 7 on my laptop without any problems and felt like doing the same on my desktop. However now that I have installed Ubuntu on the desktop through Wubi, if I boot into ubuntu the log in screen is as far as I get. I see my username and the password box but everything is completely unresponsive. I can move the mouse around the screen fine I just can't click on anything and the keyboard doesn't seem to work at all as I've tried a few shortcuts and there's no response at all. I have done a some searches and I think it's a driver issue but I don't know how to fix them as I'm pretty new to ubuntu and cannot log in at all.
Desktop specs if needed: Intel core i7 2700k, NVidia GTX 580, 8GB RAM.
Thanks in advance