2 4870x2 in crossfire

[curtis200881]

Ok hi.. im running 2 4870x2 in cf for about 4 months now and out of no where im getting about 1/2 the frams i was getting.. I took out both cards and ran them one at a time and they seem to be fine. about the same fps with each card. is there anything i can do?

Foxconn Bloodrage
I7 920 @ 3.2
6 Gigs ddr3 1600
1000w corsair hx

 

[boudy]

It is possible that Crossfire is not enabled.