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 start a Zoom test meeting to ensure your audio and video are working properly before an important video call. You'll need to have either the desktop or mobile app to do a Zoom test meeting.

A big part of video conferencing etiquette is making sure your equipment works before your meeting starts. And that includes your webcam. There’s no reason to run into unexpected and disruptive video ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...