To get your PC to recognize multiple monitors:
Make sure your cables are connected properly to the new monitors, then press Windows logo key + P to select a display option.
If you need more help, here's what to do:
Select Start , then open Settings .
Under System , select Display . Your PC should automatically detect your monitors and show your desktop. If you don't see the monitors, select Multiple displays , then Detect.
Use the dropdown list next to the image of your desktop to choose how your screen will project across your displays.
Once you've chosen your setup, select Apply.
