Answer to "is it the logic board?"Take a look at the plug on the ipod that the cable plugs into I had the same prob on a 5th gin vid I fixed the plug on the ipod and that fixed it
Answer to "Can't restore my Hard drive."yes i have the same prob. it has to be a older apple usb or fire wire charger! witch i have neather of. a new type or aftermarkit wont work.