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  1. #1
    New ROGer Array
    Join Date
    Sep 2018

    PCIe 3.0 x16 slot works only at x8

    I use ROG CROSSHAIR VI HERO with AMD Ryzen 7 1800X and sata disk. In the first PCIe 3.0 x16 slot - GeForce GTX 680. Other slots are free. The video card works in x8 mode always. This is displayed in the BIOS and various programs in Windows. I tried to clean contacts, but it did not help.
    In my case, it's difficult for me to get a replacement motherboard from warranty service. Also I can not test it with another processor. I found some similar stories, but it's not always clear how they ended. In most cases, after replacing the motherboard, this problem was solved. I would like to hear from those who had the same problem as they solved it. What replacement solved the problem? Motherboard or CPU?

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