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.

Buying a second monitor is probably the best option, but what if you don't want to do that right now? The good news is you can use your laptop as a second screen for your main computer ...

Want to use your laptop with an external monitor? Here's how to close the lid and still keep everything running. Palash has been writing about technology (and entertainment) for over a decade.

I’m talking about something like this gorgeous Arzopa portable monitor that’s now on sale for $65 on Amazon (was $110).

Rather than invest in expensive massages, [DIY Perks] decided what he really wanted was a dual screen laptop. So he built one! (Video embedded below.) The build stats with a replacement laptop ...