Need a little more desktop real estate, or just tired of hunching over a small screen all day? Here’s how to give your back—and eyes—a break.

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

This guide will show you how to get fullscreen 21:9 content to display correctly on your ultrawide monitor. The issue with ultrawide video ...

Whether you're using a desktop or laptop PC, a dual-monitor setup is an easy upgrade that pays big returns in productivity.

Want to use that extra screen for a little more real estate, even without any cords or cables? Here's how.

The ultimate in multitasking is being able to view your phone's display on your PC monitor, saving you the trouble of having to volley between two screens.

Reducing the screen size on your monitor is often a much-needed adjustment to match your display settings to the actual screen size.

This in-depth guide covers how to use iMac as monitor with Apple's target display mode, with third-party software, and more.

A reader's El Capitan installation started blacking out one monitor when he's using apps full screen.