Late last night, listening to a YouTube playlist, the screen suddenly went white and unresponsive. Being very tired, I just held down the power button and went to sleep without investigating further.

This morning, the computer does not turn on. I'll hear the fans and the disc start to spin, but the screen remains black. No lights turn on, and the keyboard and mouse don't appear to be on, either (they'll blink green for a second if I turn them on, but quickly turn off, apparently thinking the computer is shut down).

I've tried turning it off and on again manually, but I'm afraid that I'll have to call in the big boys, or take it to the Apple Store. It's no longer covered under warranty, so it'll probably cost me a bundle.

If you have any solutions, or any idea how much repairs for a thing like this cost, I'd love to know.