Sync it with iTunes, and select "restore from backup of (ipod name)" if itunes asks you. Otherwise, manually select songs and playlists and sync them to the ipod. If this keeps happening, take it to the nearest Apple store/Genius Bar.
My Sansa e200 need to have the firmware re-installed. When I connect with the Sandisk updater it...
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My Sansa e200 need to have the firmware re-installed. When I connect with the Sandisk updater it shows that there are no updates available.