I've had MBP for bout 1~2 years, and it was working all good. then it happened today out of nowhere, I've had it sleep with the screen closed and went out, just like what i used to do. but now i opened it up, the screen is complete black. I tired the brightness control to see if thats the problem but out of luck. so I shut it down, press the power button again, then the apple start up sound would play, but no response from the screen. There is sound when i press the "f4" and "f5", so im assuming its working internally. (not sure) caps lock and num lock will light up fine as well. I have NO IDEA what happened to my MBP. please, if you have anything in mind, just shoot it and I will try it on my MBP. Helps are appreciated!