If you are hearing yourself on Mic via a playback device, it does not mean your microphone, speaker, headset, or system has malfunctioned. To fix this, you have to change the Sound Control Panel ...
Next, check the manufacturer’s website for updated drivers. You could also open Windows Update and look for driver updates. If it’s an external device, like headphones or a USB device, unplug and plug ...
An internal build of Windows 11 had a hidden “Soundscape” page, presumably to replace the ‘Sounds’ settings in the Control Panel. Although the Soundscape page isn’t populated or even present in test ...