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.

If you regularly make audio or video calls on your computer, you've seen people appearing out of frame, or hunting for the unmute button, or otherwise trying to get their technical setup ...

If your computer shipped with an installed webcam, the camera should be operational when you first boot your machine. However, if you have installed an external webcam to your computer, the machine ...