Even after using laptops for years, many users don’t even touch the most important tool: the built-in hardware diagnostics. These tests are preinstalled on every Windows laptop and Mac. Since they are ...

Mary is an associate editor covering technology, culture and everything in between. She recently graduated from the University of North Carolina at Chapel Hill, where she served as an editor at The ...

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 ...