Nano Infinitely Rebooting/ReStarting!

It sounds like you didn't do all of the 5R's... you need to do them all. You might want to check the website for more guidance http://www.apple.com/support/ipod/five_rs/nano3gen/
It's not terribly logical but reloading iTunes can change everything -Did you do that?

The 5 Rs: Reset, Retry, Restart, Reinstall, Restore
Remember these five basic suggestions if you have a problem with iPod nano. Try
these steps one at a time until your issue is resolved. If one of the following doesn’t
help, read on for solutions to specific problems.
- Reset iPod nano. See “General Suggestions,” below.
- Retry with a different USB port if you cannot see iPod nano in iTunes.
- Restart your computer, and make sure you have the latest software updates
installed.
- Reinstall iTunes software from the latest version on the web.
- Restore iPod nano. See “Updating and Restoring iPod Software” on page 61.

Thank you ZBurnett for trying to help me. I started already my own post. it's called: "Still rebooting problems even after putting ipod to disk mode". i tried nearly everything from resetting, restoring to putting it into disk mode. is there anything else I can do except from going back to the store?

Well - there are repair services around, but I don't have experience with any:
http://www.ifixit.com was once recommended to me at an Apple store for laptop parts - they seem a bit pricey.

http://www.ipodjuice.com these guys list constant rebooting as an issue they fix

good luck... let us know how it works out.

My Ipod reboots nearly every time I listen to a song and push the "Menu" button to go back to the artist list. I put it into disk mode but that doesn't solve the problem. Can you help me, please?

Did you try a restore? Google "5Rs" and follow the top link for your type of iPod

You might want to start your own post, so we can help you a bit more directly.

Welcome to the Apple Forums!

I've done the 5R's now several time but it doesn't change anything. my ipod's still rebooting like crazy. any other advices?