i have no idea whats going on with my ps3. It turns on, but displays nothing or any music. but heres the thing, once i insert a movie or game is plays it sound and picture and i can play it. but if i press the option to go to the home screen it goes completely black on me. IDK what to do, im panicking. help please. what could it be and what can i do to fix it, i cant afford it it was a gift :'[ that someone worked really hard for.