I have a Gigabyte Radeon HD 7970 3GB Video Card that I had initially purchased for my computer build and later on I decided to purchase another graphics card to crossfire and I did. I had purchased this time a Gigabyte Radeon HD 7970 GHz Edition 3GB Video Card but since they're the same series I figured that they would be compatible. After installing it I came to the issue that it was not being utilized at all, I checked to see if it was a dud and it wasn't. Crossfire x was enabled on my catalyst controller with all full updates of my drivers. Only thing that comes to mind is possibly my PSU can't handle it all, I have a NZXT 850W ATX12V / EPS12V and have not OC'd my CPU. What can be the problem, unless their isn't and I'm just thinking their is.
Edit: Here is what I'm looking at through my catalyst controller of my first card showing activity. And here is my second card showing signs of no activity.
Edit: Here is what I'm looking at through my catalyst controller of my first card showing activity. And here is my second card showing signs of no activity.
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