i installed new windows perfectly and the sound card 5.1 ch but as soon as i connect the graphics card Nvidia GeForce FX 5500 / 256MB DDR / AGP 8x / DVI / VGA / TV-Out/ Video Card Graphic "Nvidia GeForce FX 5500 / 256MB DDR / AGP 8x / DVI / VGA / TV-Out." everything goes south,it starts up as normal and i get the found new hardware part then i insert the drivers but then i get the blue screen or it just reboots and reboots - what could be the problem is the card faulty or am i doing something wrong