Add Yahoo as a preferred source to see more of our stories on Google. Emilija Manevska / Moment / Getty Images Old computer monitors may not be as large or alluring as new models, but most remain ...

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.

Looking to add a second monitor to your set up? Here's how to do it on Windows and MacOS. Palash has been writing about technology (and entertainment) for over a decade. His focus has been on the ...