However, if while trying to do the same, the audio recording/input doesn’t work and the Sound settings show “Not plugged in” corresponding to the Microphone, then read this article for the ...

Check The Default Audio Input Device And Test It Another reason your microphone may not work is if it's not set as the ...

This is particularly useful in a number of situations, e.g., when you need to test your microphone or its input jack or when you have connected some other devices to your computer’s microphone ...