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Crossfire problems

Last response: in Graphics & Displays
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November 5, 2010 7:26:37 AM

Hi everyone,

I have two Gigabyte HD 5750 graphics card plugged into an Asus Rampage III Extreme motherboard (in slots 1 and 3) with a crossfire bridge connecting them. I have installed the latest ATI drivers and Catalyst Control Centre but the crossfire tab does not appear in Catalyst Control Centre so I cannot enable crossfire. Under Graphics -> Information Centre -> Graphics Hardware the second adapter is headed "disabled adapter" so I guess it's not working now. I am running Windows 7.

I have tried the following fix which I got of the Internet somewhere:

- remove ATI drivers and Catalyst Control Centre, shut down
- remove second graphics card
- boot, install ATI drivers and Catalyst Control Centre
- shut down, install second graphics card, boot
- shut down, install crossfire bridge, boot

But this didn't work.

Does anyone have any idea how to fix?

Thanks folks,
Steve

More about : crossfire problems

a c 125 U Graphics card
November 5, 2010 7:37:14 AM

Try Both cards individually to make sure they are both working correctly.

Also can you list your PC's system Spec's?
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November 5, 2010 7:45:46 AM

Hi,

Thanks for the reply. I've tried both cards and they are both working individually. My system specs are Asus Rampage III Extreme motherboard (BIOS 1005) - X58 chipset, 12GB PC-1600 DDR3 RAM, two Gigabyte HD 5750 Graphics cards, Core i7 980x processor.

Thanks,
Steve
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a c 125 U Graphics card
November 5, 2010 8:30:41 AM

An what power supply are you using?
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November 5, 2010 9:29:54 AM

It's a 1000W power supply - Silverstone Strider Plus
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November 5, 2010 10:12:17 AM

Thanks, problem solved. It seems that if your are using Windows 7 64 bit you need to install the latest version of Catalyst Control Centre (10.10) which is available from the AMD site not Gigabyte. Once I did this the Crossfire tab appeared in CCC and I could enable crossfire.

Thanks for your help omgitzfatal.
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a c 125 U Graphics card
November 5, 2010 10:58:01 AM

Well you sorted it out not me lol, enjoy your cards! :) 
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November 5, 2010 1:27:28 PM

As usual people supply incorrect info. You said you installed the latest drivers, but the latest drivers always come from AMD's site - not Gigabyte. All of us think AMD for the latest drivers.

I would have told you not to use the Gigabyte supplied drivers - they are always behind.

Glad you solved it
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