Connecting your iPod to your computer causes your iPod to act as an external hard drive, allowing you to move files to and from your device. However, the iPod control folder does not automatically appear once it is connected to the PC and must be unhidden in order for your computer to recognize the folder. Accessing the hidden iPod folder can be helpful in saving music and media if you are transferring to a different PC or have lost files due to a crash. Writer Bio
