If your camera stopped working immediately after a Windows Update, the new driver might be buggy. You can revert to the previous version.
The easiest way to fix a driver issue is through the built-in Windows tools: Right-click and select Device Manager . Expand Cameras (or Imaging devices ). windows 10 camera driver
This usually means the camera isn't plugged in or the driver is completely missing. Use "Scan for hardware changes" in Device Manager. If your camera stopped working immediately after a