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.

Is your Corsair headset mic not working? Make sure that Corsair is the default and then follow these working fixes to resolve the issue.

Is your Realtek microphone not working in Windows? Are people not able to hear your voice? Then follow this troubleshooting post to fix the issue.