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.

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.

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

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.

If your Windows computer crashes when plugging in a second monitor, check the hardware requirements and then use these fixes to resolve this issue.