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

Many MacBook Airs only allow you to connect one external monitor. Here is how to connect two or more displays to boost your productivity even more.

Split connection: To control two monitors or a screen and a projector via one video connection, you can use a splitter. It splits the existing video signal between the connected screens.

Dual-display monitors can be a game-changer for office work. Here's how to get started.

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 ...

You can do iPhone split screen multitask to use two apps on screen at once, without a jailbreak. Maybe you want to scroll your Instagram feed at the same time as playing a YouTube video. The iPad ...

Clamshell mode for macOS and Windows allows you to use a monitor as your main display, even when using battery power.

If you have some old Mac hardware laying around, now we can breath new life into it by turning it into a dummy display for your new Mac Mini!