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.

Microphone access in Windows 11 exists to provide a more stable audio capture environment. It does this by detecting and maximizing input from the default microphone.

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

Definitive fixes to stop your Microphone from auto-adjusting the volume in Windows 11/10. Learn how to lock microphone volume.