The same thing is happening to me. My computer mic works fine (I Skype with family abroad every day). I made sure the microphone is turned "ON" in Duolingo, but when I get to a question that asks me to record nothing happens when I hit the "Record" button. I can't skip the question and can't record, so I ended up just turning the option off...but I'd love to practice speaking if I can! Please fix this Duolingo!

I had the same problem. I Skype regularly but although I have turned microphone on and told the setting box which microphone to use it did not work. I just went back in again though and this time checked the little box and also the remember box and it worked, rather than as I previously did which was click on the allow link. This time I had already changed my setting to microphone on before I attempted to record.