Hi. im not a computer person, but i give things ago. My graphics card has packed in. I need a replacement. My card is 256 MB PCIex16 Nvidia (R) GeForce8600GT. Im hoping for a plug and play relacement and purchased a EVGA GeForce 210 (1024mb DDR3). Guess what? It doesnt play. I was able to download drivers, but the hardware is not found?? Help.