okay so i got my asus p5k premium mobo and my 8800gt and when i hook it up it wont show anything on my screek yes its on the 8800gt is stuck at 100% fan and it wont do anything i have tried both pcie ports i have a tx750 watt psu someone help please! there is no beeping nothing it just wont showanything on the screen i can hear the hdd booting into windows and it makes the noise of logging into windows but no picture on the screen i have tried all my pcie power connecters i need help!! my 8800gt is from a dell xps its a stock the same exact one you would see on the nvidia website