Your second monitor should come alive after a bit. By default, displays will automatically duplicate the image on your ...
Plug the second monitor into a separate outlet from the computer, as it may not be getting enough power. Check the monitor’s cable connections. Ensure that all of the connecting cables are fully ...
Try changing the HDMI cable connecting the second monitor ... If the wire and monitor are working with another computer, then it’s GPU or Motherboard Port problem. You may have to replace ...