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Cannot enable CrossfireX for 2 HD 6870, help!

  • Radeon
  • Crossfire
  • HD
  • PCI Express
  • Graphics
Last response: in Graphics Cards
July 14, 2012 6:49:31 PM

Hello, I have 2 HD 6870 and trying to crossfire, they are both by XFX and same model, both working(fan's spinning) and cf bridge is on.
When I go to Catalyst Control Center, and try to enable Crossfire, everytime I click on "Enable" and Apply, it jumps back to "Disable", and in GPU-Z, it shows both are working, 1 is on PCI-E 16x, 1 is PCI-E 2x, is this the problem? how do I fix this? thanks!

cpu: 2500k, 4gb ram
mobo:Asus P8Z68 LE

thanks again!

More about : enable crossfirex 6870

July 14, 2012 6:58:34 PM

here are some screen shots:

GPU-Z, 1st gpu:

GPU-Z, 2nd gpu:

before "apply":

after "apply":
July 14, 2012 10:04:49 PM

Have you installed the cap profiles?

Crossfire Application Profiles are needed for crossfire.