If iTunes doesn't recognize your iPhone, iPad, or iPod
If you connect your device to your computer with a USB cable and iTunes doesn't recognize your iPhone, iPad, or iPod, get help.
Sync your iPhone, iPad, or iPod touch with iTunes on your computer using USB
With iTunes, you can sync your music, movies, TV shows, photos and more. After you sync, the content on your iPhone, iPad, and iPod touch matches the content in your iTunes Library on your computer.
How to move your iTunes library to a new computer
When you get a new computer, you can move your iTunes library so that you can play your media on and sync with your new computer.
iPod won't turn on
Find out what to do if your iPod won't turn on. Several things could prevent iPod from turning on. Check each cause in this order to find out what's wrong.
Learn how to reset your iPod
Learn how to reset your iPod if it doesn't respond when you press the buttons. Also learn when not to reset your iPod.