Use Your Smartphone or Tablet as a Secondary Monitor on Windows Multitasking is pretty easy on Windows, but it gets even better when you have a secondary display to split up your tasks even better.

The Galaxy Tab S11 series upgrades Samsung DeX with the ability to use the tablet screen as a second DeX monitor, giving ...

iPad/Android: Want to eke out a little more value out of that tablet? Turn it into a second monitor for your PC or Mac and extend your screen real estate. This is especially handy for laptop users.

But you can use your tablet to improve your productivity, too. Since a tablet is essentially a portable touchscreen, why not repurpose it during work hours as a secondary display?

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few third-party apps can help if you have an older Apple device or Windows PC.

Using your iPad while connected to your Mac Even if you're using your iPad as a second monitor, you can still swipe up to exit the Sidecar application and use your iPad as usual.

Laptops are good rivals for the desktop, especially if you use the iPad Air as an external monitor.

Need a second screen? Put your tablet to good use as an auxiliary display. Xiomara Blanco Associate Editor / Reviews - Tablets and monitors Xiomara Blanco is an associate editor for CNET Reviews.

Choose your computer from the list and enter your PIN, and you can begin using your new tablet monitor as you would any external monitor.