NO game output

When i go to play minecraft i hit play it
goes to the game output screen but nothing pop up no word number nothing.

I expected the game to load up and i could play the game i spent my money on.

That all that happens in nothing pops up and its really annoying a searched all over YouTube trying to fix it but nothing

I don't know how to make the bug happen or what made it happen all I know is that it does happen.