If you’re like most people, you probably use your laptop as a primary monitor for your computer. But what if you want to use your laptop as a secondary monitor for your PlayStation 4? Here’s how to do it. First, make sure that your laptop has an HDMI port. If it doesn’t, you can purchase an HDMI adapter. Next, connect your PlayStation 4 to the HDMI port on your laptop using an HDMI cable. Finally, open up the Windows 10 Settings app and click on “Display.” Under “Monitor,” select “Secondary Monitor.” You’ll now be able to use the full screen of your PlayStation 4 on the left side of the screen and the full screen of your laptop on the right side of the screen. ..