Try a different USB port or restart the MacBook. Usually if the iPod charges but you can't see it in iTunes, then that means the USB port works but the AppleMobileDevice stopped working. Restarting the computer usually fixes it.
Try a different USB port or restart the MacBook. Usually if the iPod charges but you can't see it in iTunes, then that means the USB port works but the AppleMobileDevice stopped working. Restarting the computer usually fixes it.