Asrock Z77 Extreme4 second pci-express problem

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gab1213

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Aug 1, 2015
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Hi, my second card is not recognised when it is in the second pci-express 16x slot, it doesn't appear in windows or in the bios. When there is only one card plugged in the second pcie 16x slot I can't see an image on the screen. I've cleared CMOS and updated the bios and there is still nothing.

The motherboard is the Asrock Z77 Extreme4 with an i5-2500k and both card works.
 
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gab1213

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Aug 1, 2015
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I don't think so, the cpu pins appeared not bent, the slot appeared ok. Also, my first card is getting a full pcie 16x link to the cpu when there is only one card installed and a 8x pcie link when there is two card installed, according to GPU-Z.
 
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gab1213

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Aug 1, 2015
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4,510


I did try a single card in the second slot and it doesn't work(no video) and I can't enable SLI because the card in the second slot because is not recognised by windows (its not in devices manager) or by the bios.
 
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gab1213

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Aug 1, 2015
4
0
4,510


Yeah thats probably it, the pins in the slots seems fine and I don't have bent CPU pins since the primary card has access to the full 16x PCIe link to the CPU.
 
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