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6870 x2 crossfire x HELP PLEASE.

ok so i recently bought a second 6870 and it worked for like 1 hour until i started playing bf3 then when i try to run the cfx setup my pc wont start but if i just run 1 card my pc start and works fine my psu is tx750m by corsair
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More about 6870 crossfire please
  1. oh ya and i got blue screen of death before my pc stop starting with the second card in
  2. What is ur mobo ?
    try cleaning the second slot it could be dust or something
  3. Best answer
    What are your full system specs?(CPU,RAM.etc.)

    What brand of the card you already owned and what brand is the new card?

    Sounds to me like a defective card.Have you tried using the new card by itself?
  4. purple stank said:
    What are your full system specs?(CPU,RAM.etc.)

    What brand of the card you already owned and what brand is the new card?

    Sounds to me like a defective card.Have you tried using the new card by itself?


    Thank you very much it was a defective card. btw specs are 15 2500k clocked at 4.0ghz 8 gb ram
  5. How do you know it was a defective card?
  6. ^mystery........................
  7. Didn't he mention that he played 1 hour of bf3 wiht the second card ???
  8. i tested it with just the new card and it wouldnt work and tested with my old card and it worked only factor in the two tests were the graphics cards old one works new one doesnt = defective and the card worked till i played bf3 and got blue screen of death
  9. My guess is that BF3 fully utilized the card and it blew something out because of a faulty part.A 6870 crossfire is a very nice setup so don't let this incident deter you from it.

    Just out of curiosity what was the brand of the new card?
  10. purple stank said:
    My guess is that BF3 fully utilized the card and it blew something out because of a faulty part.A 6870 crossfire is a very nice setup so don't let this incident deter you from it.

    Just out of curiosity what was the brand of the new card?

    power color and iv already asked the seller for a exchange ncix.com
  11. What brand is the card you already owned?
  12. xts
  13. Never heard of that brand before.Is it european?
  14. ^i think he meant xfx.
  15. hellfire24 said:
    ^i think he meant xfx.

    ^^ mybad lol.
  16. Best answer selected by francochan.
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