Check The Default Audio Input Device And Test It Another reason your microphone may not work is if it's not set as the default audio input device on Windows 11.

If you find that the Mic or Microphone is not plugged in, while checking Windows sound settings, then read this article for the resolution.

If you want to find which apps on your Windows 11 PC are using the Camera, Mic & Location services on Windows 11, then this guide will help you.