If you see No audio input device found error after installing and updating Windows 11/10 & your microphone does not work, then see this post.

If your Audio Input and Output devices are uninstalled upon restart in Windows 11/10, follow this guide to fix the problem once and for all.

Another reason your microphone may not work is if it's not set as the default audio input device on Windows 11. This can happen if there are multiple audio devices connected to the system.