i just got my itouch yesterday and i was getting ready to go to sleep by listenting to music on my itouch when all of a sudden it froze. it takes me to to the home screen so i unlock it and i try to put my pass code in but nothing comes up. then i tried to turn it off a million times. nothing. and then i tried to enter the code, and all of a sudden my screen goes white. PLEASE please please help. :[