Run iTunes.
Click your Nano's icon in the iTunes "Source" panel on the left side of the screen.
Enable manual use by clicking "Manually manage music and videos."
Apple's iPod personal media players come in various forms, from the well-rounded Classic to the petite Nano. No matter your model, iPods all utilize the same program to manage their music, iTunes. So if you grow tired of certain tracks on your Nano, or want to make room for new tracks, you can connect your iPod to your computer and use iTunes to delete your undesired tracks.
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