my new video card

[uzi9mm]

did you forget to plug in the 4-pin molex into the AUX in the back of the carD??????????????????

 

[Trifid]

Format the harddrive, it is best to do this anyway, as there will be remnants of your old drivers.

There will be a sticker on the PSU telling you the power outputs, tell us the watts and amps on the 12v line.