While laptops are built to project their own displays, you can transform a spare Windows laptop into an extended screen for your main desktop. Whether you want to expand your screen real estate, or ...

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 ...

Laptops are practical because you can take them with you. However, laptops have a relatively small screen. If you work on a mobile computer, it quickly becomes annoying to constantly switch programs.