hello guys, my xfx 8600gt crad is showing as "Standard VGA graphics adapter" in Device Manager. i mean i can not install it's drivers bcoz it says no such hardware found.i can not run Aero also. Even in xp it's not working now. the problem came after i installed my new WD 320 gb Hdd. but it's working absolutely fine. the monitor is attached to the card. pls help... thanks in advance My system Specs are : asus m2n-vm dh mobo......amd 4200+......4x1gb 667 kingston ram.