my ipod touch wont get passed the apple logo, i held the home and sleep button, and all it does is turn it off or restart if hold it longer. its not jailbroken or any of that. i do have the latest update on it though. itunes wont pick it up cause it wont boot. from off when i connect it to my ipod dock or pc all i get is the apple logo. help please im lost without my ipod.