Vista - can't install driver

I've got new EVGA 9600 GSO few days ago. with pentium E5200 2.5ghz,2x2gb corsair DDR2 800 RAM, MSI P35 Neo, Thermaltake 400w psu. i tried to install driver with xp 32b, vista both 32 & 64 bit os. tried to install driver from cd provided with card and also latest 182.50 geforce driver from nvidia site. trying to install driver from cd gives msg something like "coudn't found any driver compatible with any hardware" and 182.50 geforce can be installed but while rebooting it contiues rebooting. then i do safeboot and uninstall driver and reboot. and vista installs standars vga driver. so now i can run vista, do some listening songs and brousing net but no gaming at all as my mobo has no on board graphics card. and everytime while booting the screen is not clear .....something like distorted screen. what can i do now? someone pls help.