Fix microphone problems – Microsoft Support

Here’s how to do this in Windows 11: Select Start > Settings > System > Sound. In Input, select a microphone to see its properties. In Input volume, make sure the blue bar adjusts as you speak into the microphone. If it doesn’t, go to Test your microphone and Start test. This will help you troubleshoot any issues with your microphone.

https://support.microsoft.com/en-us/windows/fix-microphone-problems-5f230348-106d-bfa4-1db5-336f35576011