Assuming you can’t finagle a hand-me-down, a 24-inch monitor with an IPS screen will run you around $150, such as the Acer K242HYL —our favorite budget 1080p display—shown above.

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

How Many Monitors Can You Add? Most computers can run dual monitors. But if you want to add a third screen or use two 4K monitors, check that your device is capable first.

If one screen isn't enough to display everything you need at once, consider getting a second. Here's how to manage multiple screens in macOS.

Want to know how to set up multiple monitors for PC gaming? Our guide walks you through the process step-by-step across AMD and Nvidia graphics cards.

If you’re used to working with multiple computer monitors at your desk, traveling with a laptop can be tough. Suddenly, you’re back to the single-screen lifestyle, and on a cramped laptop ...