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Stumped Two Cards

Tags:
  • Radeon
  • Graphics
Last response: in Graphics & Displays
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November 19, 2013 2:35:49 PM

Okay here is my deal. I am running a MSI Radeon 7850 and decided to add another card which is another MSI Radeon 7850 hoping to run xFire. Well my second card my computer will not recognize for some reason. I know the new gpu is not DOA because I tried it in my other PC and it works fine via HDMI and DVI. My computer only recognizes the first card I purchased. I have uninstalled and reinstalled CCC 4 times now and I am stumped. Anyone with any ideas would be great. Thanks for your help.

More about : stumped cards

November 19, 2013 2:44:10 PM

Did you make sure it was Enabled in the Catalyst Control?
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November 19, 2013 2:48:13 PM

vrumor said:
Did you make sure it was Enabled in the Catalyst Control?


In CCC under Performance only AMD Overdrive is available there is not Crossfire option
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November 19, 2013 2:50:07 PM

Oh I forgot to mention I also pulled the battery to reset. Very strange I'm using the exact same card right now so I know that the PSU is fine and mobo is fine.
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November 19, 2013 3:07:39 PM

Does the motherboard support crossfire? Is your power supply capable of powering both cards? Is the crossfire bridge installed?
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November 19, 2013 3:26:03 PM

Yes I have a Gigabyte z77-ud5h which supports sli and crossfire. The bridge is installed and PSU should run both cards. Fans are turning on both cards. Here is the thing. If I just use the brand new card by itself it does not work, so I took it out and put it in my other PC and the card works fine. Also my PC runs the original card fine
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November 19, 2013 4:02:02 PM

Just to give a update the card that works I tried in both slots and it works in both
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November 19, 2013 6:22:35 PM

Anyone got any other ideas?
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