If you see the same thing on both displays, you should start by making sure the displays are Extended instead of Mirroring ...

The new MacBook Air with M3 processor supports two external monitors — when the lid is closed. Here's what to expect when using Clamshell mode.

With the latest version of iOS and macOS, it's easy to display your iPhone screen on a Mac, but you'll need third-party ...

Using DisplayPort 1.2 and above is the most popular way to daisy chain monitors. Doing it is as easy as pie, but there's some prep involved as you'll need to check whether your computer can ...

Want to turn your monitor into a TV? Learn how to use a computer monitor as a television with the right cables, accessories, and streaming devices.

I use two computers in my office—a desktop and a small laptop. When I work on the laptop, I usually plug it into the desktop’s large screen and comfortable keyboard.

You can set up virtual desktops or multiple desktops on your Windows PC, giving you more room for your applications.