thank you guys the usb extension cables removed and nvidia driver reinstalled did the trick. Thanks again guys!

Yeah device manager wont even acknowledge they exist. Here is the set up. Bios is flashed to f22g on gigabytes recommended mining vers although i do not see a minable option in the bios.

Hi guys im having a really tough time getting this damn mobo to regonize my three other gtx 1080s that are connected via pciex1 risers. i used two different type of risers, enabled above 4g decode, installed latest drivers for both gpu and mobo and even reinstalled the OS. i just cant get this damn thing to see the other gpus. if any1 could help much would be appreciated