I have this weird issue on my MBP. Every time I go to the boot screen after holding option to choose Windows, I get this snowy screen like the ones you get from static on your TV. It only lasts a few seconds. However that's the only time it ever happens and I can run graphic intensive applications and such without any errors in the both OS X and Windows. I captured it on my phone as shown here: http://www.youtube.com/watch?v=tL7EJxFoMtE I'm really bewildered to what the issue is, and I don't want to carry my monitory and computer to the store unless I need to.