Come now guys, even a duff brand PSU could handle a 580, you guys make it sound like a 580 draws 500 watts.
Your problem sounds odd though, I'd be extremely surprised if the card had a problem. When you said you tried your dads PSU, did you put the PSU in your PC or try the card in his?
Your problem sounds odd though, I'd be extremely surprised if the card had a problem. When you said you tried your dads PSU, did you put the PSU in your PC or try the card in his?