my computer quit recognizing my ipod nano all of a sudden

Hello Charity,

Thanks for visiting Apple Support Communities.

If your computer is not recognizing your iPod nano, the steps in one of the articles below can help.

For help with a Mac, see this link:

If you don't see your connected device in iTunes for Mac - Apple Support

For help on a PC, see this one:

iPod nano: Error message saying that iPod could not be identified properly - Apple Support

Sincerely,

Jeremy