Currently Being ModeratedFeb 20, 2012 2:40 PM (in response to pokeadotpunk)
Sounds like the backlight on your Nano has gone out ,meaning you'll need to have your iPod serviced. You can have Apple swap it for a flat fee. See here for pricing.
I'm not 100% a third party service center would be able to repair this sort of damage, but it might be worth looking into.