5970 uses only one gpu

[macks30]

Hi when using ccc it says no activity on second gpu no temps nothing !

 

[Annisman]

That's probably because you are looking at it when youre not stressing it at all.

Download MSI Afterburner, run a game, then go back to your desktop and check each gpu's activity levels in afterburner. That will tell you for sure if you have a problem.