I am running a Crossfire setup using 2 x Asus Radeon HD 7850 on a ASUS P8Z68-V LX motherboard.
For many months I have been happily running quite an effective Crossfire setup. Recently, however, as a result of a request from the ever updating BF4. I upgraded my Catalyst software to 13.12. As soon as the update was complete I ran 3DMark to see what effect, if any, the new drivers had made.
To my horror only 1 of my 7850's was being recognised and my scores had dropped significantly. I then ran Catalyst and all options relating to Crossfire had gone.
I rolled the drivers back and everything went back to normal. I really want to use the new drivers as eventually I hope to use the Mantle API with BF4.
Has anyone had a similar issue? Can anyone help? I have already raised a help desk ticket.