When I Hook It Up To Itunes It Says That It’s Updating And If I Pull Up My Computer And Click On My Ipod Folder It Has All The Songs On There, But When I Disconnect My Ipod It Says I Have No Music.
when your on the page of the ipod. the info page,(the one that says how many gb's you have how gb's are used) just a little above all that clic the one beside it. the ,music.then there will be something like sync all music, sync chosen songs or something. what you want is the sync all songs/ playlists.
really hope this helps. if not, bring it to an apple store.