Not turning on.
Not recognized by the computer( Win7 and Win XP tested both fully updated).
Not found on Itunes( fully updated ).
Possibly not charging.
USB ports/ cords are working since i tested it on someone's iphone 5c.
Tested
http://support.apple.com/kb/TS4433
also
https://discussions.apple.com/message/20441112#20441112
symptom before happening:
connected to my laptop
screen turns white or gray background.
then the ipod's case or body is pretty hot after plugging it in my laptop for 10-20mins
tried rebooting or reset for 3-4 times then died.