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Sapphire hd 6870 no signal on msi 807a fuzion motheboard

hi..i`ve just bought sapphire HD6870 1Gb DDR5 from my friend to replace my old HIS 4850...but after i installed it on my MSI 870A FUZION, 6gb corsair memory, TX750M CORSAIR PSU..then turn pc on It`s sound 1 long beep and 2 short beep..it didn`t display anything on my BENQ 22" LED monitor when i saw on my LED it`s witten "NO SIGNAL" ...but when i tried using old 4850 it work smoothly without any problem..anyone can help me how to fix it ??? is it PSU, BIOS, or MEMORY issues ??


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http://www.tomshardware.com/forum/283384-33-read-first
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  1. Best answer
    http://www.tomshardware.com/forum/269707-31-long-beep-short-beeps

    Quick google search brought this up. Considering your computer works fine with no errors with your HD4850, I'm thinking the 6870 you bought from your friend is dead.
  2. Best answer selected by Witkizz.
  3. This topic has been closed by Mousemonkey
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