Currently Being ModeratedOct 16, 2013 2:17 PM (in response to ddb21)
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You may want to try setting up syncing in iTunes again by following the steps in the article below. If you're syncing music, try un-checking and then re-checking the "Sync music" checkbox in iTunes.
iTunes 11 for Windows: Set up syncing for iPod, iPhone, or iPad
If you're still not able to sync, try restoring the iPod:
Restoring iPod to factory settings