Missing Audio

So the sound on my acer X Notebook series X200 has gone. I've tried multiple solutions where none have worked so help is greatly appreciated. The audio software I used was Conexant audio. I don't know if this matters but I'm on windows 10. When I go on playback devices there is "No Audio Output...

Recently my audio turned off. I have tried everything, reseting audio drivers and such. But the problem doesnt get fixed, i bought a whole new headset thinking that, that was the problem. It wasnt. Windows says everything is running smoothly, like it says audio is connected and stuff. but the...