i have a nvidia 8400gs gpu and my computer reconizes it and will say its working properly but it wont work ive reimaged, reinstalled drivers ive disabled on board it just wont display graphics.
System Manufacturer/Model Number Dell XPS 15 L502X OS Windows 7 Home Premium 64Bit CPU Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz Motherboard Dell Memory 8 GB Graphics Card NVIDIA GT540M