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Crossfire no signal

Last response: in Graphics & Displays
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September 1, 2012 3:05:27 AM

Hello,
when i use one graphic card the system runs in perfect condition, but when i insert second graphic card i dont get any reception to monitor.
i use 970a ds3 motherboard, xfx hd7770 graphic card and coolermaster 600w. i cant even go into bios with two graphic card installed.

More about : crossfire signal

a c 120 U Graphics card
September 1, 2012 3:12:50 AM

Did you install the crossfire bridge?
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September 1, 2012 3:15:07 AM

yes
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a c 120 U Graphics card
September 1, 2012 3:15:57 AM

So you have two 7770s? Did you try the second card in place of the first?
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September 1, 2012 3:22:36 AM

i did works in perfect condition
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September 1, 2012 3:23:16 AM

i bought everything today
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a c 120 U Graphics card
September 1, 2012 3:24:29 AM

If you haven't done so already, update your motherboard to the F4 firmware revision
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September 1, 2012 3:26:54 AM

i tried installing exe version of f4 firmware but no use
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!