Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few ...

You can use your iPad as a second monitor with a Mac or Windows computer. Apple has a built-in solution called Sidecar for Macs and iPads, but there are third-party apps for Windows computers.

Want to make an iPad the foundation of a desktop computing setup? Here's how to get started, including the gear you'll need.

You don't need a bulky monitor to extend your workspace. If you use an Apple computer, all you need is an iPad and learn to use the Sidecar feature.

However, limitations in external monitor support, gaming performance, and desktop-level features remind users that the iPad is not yet a full-fledged computer replacement.

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