Update forced me to restore my iPod touch 4th gen. and now it will not turn on.

After putting new music on my iPod touche 4th gen. I attempted to update the software. When I did I got a message that told me y iPod was in "Recovery Mode" and needed to be restored. So I clicked "Restore" and waited while iTunes prepared to Restore my iPod. When it had finished my iPod went black and I could no longer do anything with it.