I have installed a second 5870 in my pc made sure its hooked up properly but when it comes to getting it working I don't know how I used to run SLI on my last pc and that seemed simple but for crossfire I don't what to do. Windows knows the second card is there but labels it 'unknown VGA device' I assumed it needed to have drivers installed so installed the latest 10.9 ones but now I can see the 'unknown VGA device anymore' (after reboot) and there seems to be no option to start crossfire nor does CCC seem to think there is a second card. Pls Pls help.
specs:
CPU-i7 930 @4.01GHz
RAM-6GB 1600MHz
GFX-2x 5870 @ standard clock
PSU- Corsair 750 watt
MB-Gigabyte GA-X58A-UD3R
specs:
CPU-i7 930 @4.01GHz
RAM-6GB 1600MHz
GFX-2x 5870 @ standard clock
PSU- Corsair 750 watt
MB-Gigabyte GA-X58A-UD3R