Your monitor might be connected to the motherboard instead of your graphics card, and the fix takes only a cable swap.
You may have a great graphics card in your gaming desktop and still be disappointed with its performance because of where the monitor is plugged in. Many PCs have HDMI, DisplayPort and USB-C monitor connections in two places: on the motherboard and on the dedicated graphics card. The same cable can fit either set of ports, which isn't particularly helpful.
If your desktop has a dedicated graphics card, the monitor should normally connect to that card's outputs. You may end up with less capable integrated graphics or a blank screen if you use a motherboard port. Instead of assuming that the problem is your hardware, start by inspecting the back of the case. The motherboard's video outputs typically use the graphics integrated into the CPU (if it has any), instead of the dedicated graphics card in a PCIe slot.
Integrated graphics are suitable for basic tasks and less demanding games, but typically cannot compete with your dedicated graphics card — even if you know how to boost GPU performance without buying new hardware. If Windows runs your game on integrated graphics instead, you're missing out on the performance of your dedicated GPU.
