Center button and click wheel not working on my ipod nano

This usually happens if the iPod wheel breaks down, sometimes by getting in contact with water sometimes simply through wear and tear. If you're out of warranty, There are specialized online tutorials with iPod Repair instructions that will guide you through the steps of taking it apart and replacing the wheel altogether otherwise you'll have to send it to any third party iPod repair service and they'll replace the wheel for you.

You make sure that the lock on the the IPOD - im referring to the lock key is no enabled or not on..

if i dont work you will ne a new ipod nano