If you have "No audio output device installed" or constant crackling, do this:
Reinstall the driver downloaded from your motherboard manufacturer's website using the steps above. 2. Audio Control Panel is Missing Realtek Alc897 Driver
To ensure system stability, always source your drivers from official channels. Avoid third-party driver-updater software, which can bundle malware or install incorrect driver versions. If you have "No audio output device installed"
Windows sometimes overwrites proprietary drivers with generic ones during system updates. Open (right-click the Start button). Expand Sound, video and game controllers . Right-click Realtek Audio and select Update driver . Realtek Alc897 Driver