You can test your webcam online or using programs that come with Windows 10 or your Mac. You don't have to wait for a video call to find out there's a problem with your webcam — test it ahead of time.
You can turn on the camera on your Windows computer immediately using the built-in Camera app. If the camera on your PC isn't working, it might not be enabled, or ...
You can update your PC's device drivers by opening Device Manager and right-clicking on the device to check for updates.(Jim Rossman) This week I heard back from a ...