usb audio device disappeared

I'm new at the forum please help us. We have a problem with audio devices when it mute at the live on Windows without a error or alert message. We had used a USB cable between the Soundcraft SI Expression digital sound mixer and the Windows 10 Pro 64 bits on PC (all software are updated). These...

Hello everybody :) thanks in advance to anyone who can help So, I've read hundreds of threads here and in other forums, I tried to do everything but my problem persists: The USB capture device is not being recognized in ANY app for AUDIO. In OBS and Streamlabs the video is being captured, but...