Go to Settings > Privacy & security > Microphone . Ensure "Microphone access" and "Let apps access your microphone" are turned On .
To test your microphone in Windows 11, follow these steps: how to test microphone windows 11
This is the fastest way to check if Windows detects your microphone and registers sound. Go to Settings > Privacy & security > Microphone
After clicking Stop test , Windows will show you the results. A result of how to test microphone windows 11
Best for testing actual audio quality, background noise, and playback.