My laptop is not having a good day.
I was playing Minecraft in the car, and I shut it off for about an hour to get my haircut. After I got back in the car, I turned it on to a bluescreen. It lasted for about half a second, so I couldn't read a thing on it. It does this nearly every time I start it up, but sometimes it lets me boot into windows.
This is what I got:
(http://i129.photobucket.com/albums/p223/scotman_2006/BlueScreen1.png)
Saw this on Lifehacker today, might be helpful:
http://lifehacker.com/5845999/bluescreenview-shows-you-the-errors-behind-the-blue-screen-of-death