The ability to have two or more external monitors connected to your Mac in Extended Mode is a liberating screen experience, but leads to frustration when each still operates like an independent ...

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.

You can dual monitor with VirtualBox virtual machine or guest OS. To be able to use VirtualBox on Multiple Monitors with any virtual machine, you need to change the default settings.

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 have a dual-monitor configuration, you can set up a screensaver to move across both monitors, or duplicate on both.

Select "Second Screen" from the list of options. Click "Extend" to extend the space of your desktop across your two monitors. The settings automatically save.

I just installed Windows XP Pro and put on the Omega/Plutonium drivers. I need to be able to extend the taskbar to the second monitor. I see that Ultramon can do this, but I don't have $40 to ...

With AV Access HDEX60-DM dual monitor HDMI KVM extender, users can extend two full HD HDMI signals, along with USB 2.0, up to 60m/197ft simultaneously over a single Cat cable.

What's better than a two-screen setup? A three-screener, of course. Here's how to work around the video-output limitation.