Forum Discussion
In the Windows 11 system volume mixer, the volume sliders for some apps cannot be adjusted
After enabling the system volume synthesizer, the volume sliders for some running applications cannot be dragged to adjust the volume, making it impossible to control the volume of those applications...
Uninstall the current driver from Device Manager.
Reboot, and Windows will attempt to reinstall a fresh driver.
Or download the latest driver from the manufacturer’s website.