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#21
Those drivers refer to the drivers for the hardware that came preinstalled from the factory, or that you custom ordered. If you bought a video card you'd get it's driver from it's maker's Support Downloads webpage.
Did WIndows Update deliver a driver for the card? What driver is showing in Device Manager for it? If it gives you good resolution and performance then unless it is Standard VGA you may want to try it for awhile.
Is there any chance you have both onboard GPU and the card you added in? Is this switchable graphics or are you choosing which one in the BIOS?