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

It's called spacedesk, and with it, I was able to quickly and easily use my tablet or my smartphone as a second monitor for my PC.

A dual-monitor set-up can help to increase productivity, but what if your second screen isn't being detected? Here's what to try to fix the problem.

spacedesk is a free app that lets you use an Android tablet as a second display for your Windows PC. Learn how to set up and use it.

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.