Use an adapter, such as an HDMI to DVI adapter. This works if you have two different ports for your laptop and your monitor. Use a switch splitter, such as a Display splitter to have two HDMI ports. This works if you have only one HDMI port on your laptop . . . Read more

Sometimes you have only one HDMI port on your computer (typically on a laptop), but need two ports so that you can connect 2 external monitors. … You can use a ‘switch splitter’ or ‘display splitter’ to have two HDMI ports.

Click Start, Control Panel, Appearance and Personalization. Choose ‘Connect an external display‘ from the Display menu. What’s shown on your main screen will be duplicated on the second display. Select ‘Extend these displays’ from the ‘Multiple displays’ drop-down menu to expand your desktop across both monitors.

To do so, follow these steps: Right click on a random free spot on your desktop and open the NVIDIA Control Panel. In the NVIDIA Control Panel, click Set up multiple displays. Check all the boxes for the monitors that you want to use. Save the changes and restart your . . . Read more

2:153:41How To Make A Display The MAIN DISPLAY In Windows 10YouTube

A no signal error on a monitor could be a sign that your PC monitor is ignoring the graphics output from your PC. … If this is the case, make sure that the input source on your monitor is correctly set. If it isn’t, switch to the correct source (for . . . Read more

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 . . . Read more

Set the Primary and Secondary Monitor Right-click on your desktop and select "Display". … From the display, select the monitor you wish to be your main display. Check the box that says "Make this my main display." The other monitor will automatically become the secondary display. When finished, click [Apply].

Settings ->System, select Display in the left pane. Click Advanced display settings link. Then click and drag one of the monitors to its correct location. The Identity numbers don’t matter.

Open Settings > System > Display. You will see a box with the three representations of your monitors. If one or more monitors are not detected, scroll down to Multiple Displays and click Detect.