Fix Windows Audio and Sound Problems

Audio problems on Windows range from complete silence to crackling, echo, wrong output devices, and microphone failures. The Windows audio stack involves multiple layers: the audio endpoint, the Windows Audio service, the audio driver, and per-application audio routing. A failure at any level breaks sound. This hub covers every audio-related fix guide and automated repair. Whether you have no sound at all, audio from the wrong device, or mic problems on calls — start here.