Pci express x1 slots not working

Bran1913

Honorable
Dec 6, 2013
4
0
10,510
Having trouble with connecting 2 video cards to the x1 pci slots. I have a M2N79-LA mother board. It has (2) x1 pcie slots and (1) x16 pcie slots. I have powered x1 to x16 risers. I have plugged the x1 part of the risers into both the x1 and x16 slots the fans turn on but nothing shows up on the screen. I have tried going into BIOS and changing the pcie to x1, but the only option is x16. The only way I can get it to work is by plugging one card into the x16 slot directly on the motherboard. Is it the motherboard or something else the reason I cannot get any cards to work with the x1 slot?
 

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