New graphics card

[Dan_68]

Hello,i just put in a sapphire HD5570, 1GB DDR3, In my comp,my niece didn't send her disk with it,when i went 2 boot it up all i got was a black screen,was hopeing that windows boot up long enough 4 me to find drivers,and such 4 it.Any 1 know what i can do to get windows to open so i can install stuff for card off net?

 

[coper210]

Is this a new build or did you have windows already installed on this computer?