Set up a second screen for your computer

Most computers have the built-in ability to power a second screen. To get started, check out your laptop or desktop to find a HDMI or DisplayPort socket. If you own an older computer, you might be looking for a white DVI or a blue VGA socket instead. All four types of ports let you connect your computer to a television, projector, or other secondary screen. If your computer has one of these ports, all you need is the proper cable.