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

Using a laptop as a monitor for another computer allows you to not only mirror your computer's screen on the laptop but also extend it, meaning you can show different content on both screens.

The Extend Mode, as its name implies, lets you turn your second device into an extended desktop for your PC. This comes in handy when you want to increase your overall screen workspace.

Apple has finally updated Sidecar to allow you to extend your Mac screen onto an iPad when it's in portrait, not just landscape. For now, though, it's fiddly, but here's how to do it.

You should see either Mirrored Display or Extended Display -- select this to change the mode to mirror or extend your MacBook Air’s screen contents onto your external displays.

How to Use spacedesk to Mirror or Extend Your PC’s Screen Onto an Android Tablet Before you can mirror or extend your Windows PC’s screen to your Android tablet, you need two things.

Extend Your Workspace: Use Your iPad as a Second Display for Your Mac 2:02 pm April 15, 2024 By Roland Hutchinson In this guide, we show you how to use your iPad as a second display with your Mac.

A second display is a great productivity hack, but it can be difficult if you're connecting an Android device to a Mac computer. We've got the steps here.