Crossfire HD5870 setup, weird results

Hello Tom's Hardware,

I have a problem I cannot explain with my dual HD5870 setup. I recently replaced my crossfire bridge (catalyst gave a message that my bridge is probably broken). Before replacing the crossfire bridge I had grey patterns all over my screen while running a game. So I bought a new crossfire bridge.

But now when I have crossfire enabled and i am playing a game like Counter-Strike: Global Offensive i get around 70 fps.
When I have crossfire disabled I get 300+ fps.

I can't explain this! Any idea's?



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  1. Best answer
    bios update might help.
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