Plug the other end of the iPod USB cable into a free USB port on a Mac or PC computer.
Open the iTunes application by clicking on the Dock icon on a Mac or using the Start menu on a PC.
Click on the name of your iPod Nano under the "Devices" list in the iTunes window.
The latest iPod Nano includes a locking feature, which allow users to set a four-digit combination to keep intruders from using the device. However, if you find that you forget what code you set on your iPod, you will need an alternate way of unlocking your iPod Nano. Once the device has been successfully unlocked, you can continue listening to music on it.
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