Cody Horton :
chumly :
I would personally do a complete remove of the previous driver. There is a good guide to do that here:
http://www.guru3d.com/content_page/guru3d_driver_sweeper.html
Okay can I do this without the gc plugged into the computer. I can use the on board graphics to boot into windows but I can't use my gc.
Well, if I would've known you had on-board graphics, I would have asked you to unplug the graphics card in the first place, so we can make sure that it is not the issue.
So first, unplug your GPU. Next, reboot normally and see if it works.
If that still isn't working, you can get into safe-mode with either GPU and follow the steps on that list.
If you are still having problems, it is most likely not the GPU, I would start over with a clean install of Windows.
If you have two different types of display drivers on your computer, they could be affecting one another. Make sure you only install the drivers for the GPU and not the on-board graphics.