I bought a camera off CL, and it doesnt work can I do anything legaly?

I bought a SONY CAMCORDER off of Craigslist. I emailed with the person & they never mentioned that it didn't record. It turns on and everything but doesn't work. I paid only $85 so I thought it was a steal! But then I got home & tried to record but nothing happened. I have tried emailing the guy but he doesn't respond. Is there anything I can do legally?
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no different than buying at a yard sale, it is what it is there is nothing you can do