Some technologies, like Nvidia Scalable Link Interface, do allow a computer to use multiple graphics cards at the same time, but only if the cards match. Intel HD Graphics were developed to enable a PC to output video to a monitor at a reduced cost, but the graphics performance just doesn’t come close to that of a modern Nvidia card. You can set up your computer to use the expansion card instead of the internal graphics, but both can’t be active at the same time. Writer Bio
