How to Make iTunes recognize your iPod without restoring
If you've had an iPod for long enough, chances are you've had issues with iTunes recognizing it at one point or another, and the threat of having to delete all of your MP3s and other files has loomed large. Well worry no more! This video contains instructions for how to make iTunes recognize the device again without having to delete all of your files! All you need to do is gain access to your hidden folders, get into the iPod's folder, and replace the firmware. Brilliant!