Ipod nano some of my playlists no longer work, anyone know why and how to make them work???!!!!

[3Ddonut]

The playlists that are 'factory settings' such as 'my top rated' and 'most played' etc now have a little flower like symbol next to them rather than the music note and I don't know how to turn them back on again!!!! Anyone know?? I can't find anything about it in the manual. Thankyooooooo!

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did they come back??????? Is your memory nearly full (ipod, not your own ) cause mine is and I wondered if my pod was trying to create more space or something, also have another pod in the house now, so using the same itunes and I thought this might have f-ked it up?

Perhaps it's confused if both ipods are playing different things - this would make your most played tracks two different lists wouldn't it?
Have you resynched one?

They're both now on manual sync because we don't want the same songs on both, plus mine is 8gb and his is 4. Thanks for your reply btw, been at work a few days