You can test your webcam using online tools or programs that come with Windows 10 or your Mac computer.

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While each brand will have its specifics for viewing the cameras, or usernames and passwords to log in with, there's a general way to view each camera. Here are some step-by-step instructions on ...

You use your computer daily, although I bet you rarely, if ever, consider that someone could be spying on you through your built-in camera on a laptop or a standalone camera that connects via USB.

Pixel glitches in the shadows. Rainbow colors in the trees. Happily, Google software updates have fixed two problems, and I think you'll benefit from what I've learned. Stephen Shankland worked at ...