How Do I Add a Second Computer to Windows 10?

Right-click the mouse on the desktop. Choose the Display Settings command. The Settings app opens, showing a preview of both displays. If you need to extend the desktop to the second display, from the Multiple Displays menu choose the option Extend These Displays.

How do I set up a second monitor?

Dual Monitor Cables

Plug the power cords into your power strip. Connect the first monitor to your computer through the HDMI port or through a VGA port, if desired. Do the same for the second monitor. If your computer only has one HDMI port and one VGA port, which is common, find an adapter to complete the connection.

How do I get Windows 10 to recognize my second monitor?

To detect a second monitor manually on Windows 10, use these steps:

1. Open Settings.
2. Click on System.
3. Click on Display.
4. Under the “Multiple displays” section, click the Detect button to connect to the external monitor.