My laptop is dell inspiron 3542. I recently dual booted windows 7 with ubuntu 14.04 because I couldn't get the internal microphone to work in ubuntu. But the microphone still doesnt work in windows. I installed realtek audio driver from the dell website but the issue hasn't resolved. However if I plug in my headset in the combo jack, recording sound becomes possible. The green bar indicator in the sound properties next to the microphone moves if the headset is plugged in but if it's removed then there are no green bars. I also tried the online mic test and it too showed positive results only when headset was plugged.Is it that my internal microphone has damaged? It's only been a year since i bought it.
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