iTunes pop up indicated Nano was corrupt. I restored to factory and reset both standalone and connected to computer, even using different cables and ports. toggled on/off switch and its in on position. screen shows "connected eject before disconnecting" or goes to sleep. before restoring it would show music and scroll through anything just not play music (songs stayed at 0:00). iTunes wouldnt recognize the ipod (and iTunes at latest version). neither did syncios. I've read and tried troubleshooting but havent come across anything that has helped yet. what else can I do? thanks