I have an hp pavillion dv7-7023cl and my internal microphones were working perfectly fine and now they won't work at all. I have tried updating and reinstalling all of the drivers and it says under recording devices that there is a device called stereo mix, but i don't think it is a microphone... I have made sure nothing is muted and everything; the microphones just won't work or show up under devices. How do I fix this?
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