1. Toggle the Hold switch on and off. (Slide it to Hold, then turn it off again.)

2. Press and hold the Menu and Center (Select) buttons simultaneously until the Apple logo appears, about 6 to 8 seconds. You may need to repeat this step.

Tip: If you are having difficulty resetting your iPod, set it on a flat surface. Make sure the finger pressing the Select button is not touching any part of the click wheel. Also make sure that you are pressing the Menu button toward the outside of the click wheel, and not near the center.

If this doesn't help, you may have to restore the iPod through iTunes. This can take a while, because what you are doing is erasing the ipod and returning it to the factory settings. You then can load your files back to the iPod through iTunes.