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is the crossfire bridge connected correctly between the 7870s ? are both gpus in the dark blue pci x 16 slots on your mother board ?
Thank you t77 chevy for you're feed back .
Yes the gpus are in the proper pci x 16 slot and I doubled checked the crossfire bridge and even tried swapping it for the other bridge that I had but the results where the same but I did notes that one of the bio switches got tripped so I made shear that the switches where in the factory setting ,unfortunately none of this has helped the results are still the same .
Wean I rebuilt this in November it worked beautifully for about a month and a half and than crossfire quit working properly when I upgraded to the crimson addition with the 15 series drivers I just don't know ,after all that I'm thanking it's ether a software problem or theirs something wrong internally with this new motherboard I'm almost to the point of tacking it to a pc repair shop and see if they can figure out I have looked for the 14 series drivers so I can be shear that it is not a driver problem but I cant find them.