you might have to physically remove your graphics card restart your computer then reinstall it this should activate found new hardware wizard
If your computer came with a motherboard disc the drivers could be on it
Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers or you might need to download one
http://download.cnet.com/nvidia-graphics-driver-windows/3000-2108_4-10630932.htmlI Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. v266.58 WHQL drivers This is a WHQL release from the Release 260 family of drivers. This driver package supports GeForce 6, 7, 8, 9, 100, 200, 300, and 400-series desktop GPUs as well as ION desktop GPUs. What's new in this version: Adds support for the newly released GeForce GTX 590, GeForce GTX 560 Ti and GeForce GTX 550 Ti GPUs Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. v266.58 WHQL drivers Adds NVIDIA Update feature
http://download.cnet.com/nvidia-graphics-driver-windows/3000-2108_4-10630939.html Adds support for the newly released GeForce GTX 590, GeForce GTX 560 Ti and GeForce GTX 550 Ti GPUs Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. v266.58 WHQL drivers Adds NVIDIA Update feature This is a WHQL release from the Release 260 family of drivers. This driver package supports GeForce 6, 7, 8, 9, 100, 200, 300, and 400-series desktop GPUs as well as ION desktop GPUs.What's new in this version: Adds support for the newly released GeForce GTX 590, GeForce GTX 560 Ti and GeForce GTX 550 Ti GPUs Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. v266.58 WHQL drivers Adds NVIDIA Update feature hope this helps
Test all leads that attach to your hard drive including electrical extensions,IDE,SATA
the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them they might be faulty make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electical extensions even something as small as an electrical fan and its lead can cause this problem or just replace them they could be faulty a computer needs all electrical power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error
make sure your graphics card is securely seated with no dust built up or in the socket
hope this helps you
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