Problem with my Graphic Card Driver

I have a new Graphics Card. I instaled the drive and then build the card in to avoid that windows instals the wrong driver.
It doesnt work :(
The card has hdmi, dvi and vga. I dont get a signal on any of them.
Is there a trick to fix this? What did I do wrong?
I am running Windows 7 64x

Thx for the help^^
 
What type of video card are you using? What are your system specs? PSU , Mother board and so forth. This information will help. So some one can help you out.
 
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