If there is more than one shows up, this means that your card is capable of displaying multiple monitors. If you only see one, this means that your video card is only able to utilize one port at a ...

It's easy to add an iMac second display to your existing set-up. In fact, many monitors will work. To add a second monitor, you will need to: ...

Another option: take advantage of a spare USB port, which can drive a third monitor when connected using a USB-to-DVI or USB-to-VGA adapter. You can find these adapters online for around $40-50.

Plug the second monitor into the second VGA or DVI port on the OptiPlex or its Y-adapter. This follows the same procedure as for connecting the first monitor. Power on your monitors and computer.

While it may take a little bit of work, you can use your Android device as an additional monitor for your Windows PC. Here's how to do just that.

If you are using a 2015 or older MacBook Pro, you can connect an HDMI cable from your computer directly to a monitor. If you own a new MacBook Pro with USB-C or a 12-inch MacBook you will need a ...

Hot on the heels of Friday’s post on connecting a TV to your PC, reader Maina wants to know how to connect a second (and possibly even third) monitor to his PC. He wants one for documents ...

You can use your iPad as a second monitor with a Mac or Windows computer, with a free option available. Here's how you can do it.

If one screen isn't enough to display everything you need at once, consider getting a second. Here's how to manage multiple screens in macOS.

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.