If you experience any of the above issues, try the following steps:
- Toggle the Hold switch. To do this, slide the switch to Hold (an orange bar appears) and then slide it back (orange bar is hidden).
- Reset the iPod by holding down the Menu and Center buttons for 10 seconds.
- If the Apple logo appears on the display, connect the iPod to a computer and verify that it appears in iTunes and can play music. If the iPod appears in iTunes and can play music, no further troubleshooting is needed.
- If the Apple logo does not appear or the iPod is not seen in iTunes, connect the iPod to a power source by either plugging it into an Apple iPod USB Power Adapter or directly into a computer's USB port.
- Let the iPod charge for at least 20 minutes. Note: If the iPod is connected to a computer, make sure the computer does not sleep, standby, or hibernate during the 20-minute charging period.
- After the iPod has charged for at least 20 minutes and while it is still connected to the power source, toggle the Hold switch again as in step 1.
- Try resetting the iPod by holding down the Menu and Center buttons for 10 seconds.
- If the Apple logo appears on the display, connect the iPod to a computer and verify that it appears in iTunes and can play music. If the iPod appears in iTunes and can play music, no further troubleshooting is needed.
- If the Apple logo does not appear or the iPod is not seen in iTunes, try putting the iPod into disk mode and restoring.
- Try putting the iPod into disk mode.
- While in disk mode, connect the iPod to iTunes and try to restore.
- If the iPod is still not recognized by iTunes, the iPod should be serviced.
See http://www.apple.com/support/ipod/ and click the Service tab for more information about your service options.