Open Windows Device Manager and click on “Display adapters”. This will show you the installed graphics card(s) on your Windows PC. Read: How to check the Driver Version in Windows.
Whether you're running a tower PC with a bunch of cards you installed yourself, or a sealed laptop, there's a graphics system inside that powers your screen. Also: The best gaming PCs: Expert ...
or installing a new graphics card on their Windows 11 or Windows 10 computer, they can’t change the screen resolution because the screen resolution setting is greyed out in Display options page ...