How to fix Black Iphone screen?

I dropped my iphone 4 and the screen is now black. The phone still works because I can hear voice commands and hear text tones and all those goodies. But I really want the phone to work because I don't want to buy another one if there's a way to fix it. I have tried a million times especially holding down the home and power button but nothing seems to work.

Snap twice remarkably try to lick your ears and kick the wall ONCE and it will fix right away