I recently got Win 10 upgrade for my XPS 12 9Q23 (convertible). In a Skype call, I discovered that the hearer could barely detect my voice. I checked all the sound settings for the mic in Win 10, and put the volume for mic to maximum, and the mic boast to its highest setting. I recorded my voice and found that the playback was barely audible. I also got a new motherboard installed, but the diagnostics did not show any problem. Any clues or suggestions?
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