10. Make sure you actually get a video card If you're buying a prebuilt system online, pay careful attention to the video card option. If the selection menu only lists "integrated graphics," close the browser window immediately and find another model that offers real video card options. Graphics built right onto the motherboard are fine for basic desktop applications like word processing and browsing the Web, but they aren't powerful enough for gaming unless you consider 15 frames per second at 800x600 acceptable performance.