How to Use Mic On Computer (PC) With 4-Contact TRRS

audioheadsetmicrophone

I have a Dell PC that have a single input for Microphone and Audio.

I connected a Mobile Phone Headset to it. Speakers Work well but Microphone is not working…!
What should I do.

(When I connect it to PC, it asks which device did you plug-in:-
Line In, Mic In, Headset, Headphone, Skullcandy Headphone, Skullcandy Headset, Speaker out, Dell Speaker out)

Best Answer

Now, it is working. From Option, I selected "Headset". (And made a small change in Recording devices setting).

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