Intel Extreme Graphics, housed on a chip built into the motherboard, enables a computer to render graphics without a video card. However, desktop computers with onboard graphics nonetheless include an available accelerated graphics port, peripheral component interconnect, or PCI express slot to which a video card can be installed. You can upgrade the computer to a dedicated card to improve graphics performance, but the operating system won't recognize the new hardware unless you've first disabled Extreme Graphics in the BIOS -- the software that controls and manages hardware inside the compute