Minecraft black screen

Ok in the past day or so my minecraft has been black screening when I open minecraft it go white then black and sometimes I can hear the minecraft music.It started happening ever since I got a new texture pack I used the texture pack for a while then I change back to the normal minecraft texture pack and then my minecraft crashes and it said something about display then the next day I go to play minecraft and my minecraft just black screens and i'm thinking its just doing that because of the hacked client which I was trying to run (flare),then I go on a unmoded 1.8 and it still black screens so I delete the texture pack and its still hapening so I unistall minecraft about 5 times using minecraft down loader and I still have the black screen then I Deleted .minecraft and it still black screens please help if you can

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Also I re downloaded java 8 and still not working