when ever i tried to replay a song and use my back button. it doesnt work. please help and this isnt the first time this happend to me/
reset ipod see this
restore ipod if no result see
if that doesnt help repair it see
umm my ipod doesnt even connect to the computer any more. not even itunes
But you didn't tell us that information. Make a Genius Bar appointment at your nearest Apple Store and do an out-of-warranty replacement, your click wheel is broken.
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