Hello
i have build small rig whit 5 x msi gtx 1060  6g  i have H81 mb  but problem is that i cant get 5gpu online it has  power i have powered risers  any idea, the 5th gpu is powered from molex its my be tihs a problem , the ps is modular but has only 4 gpu connector , and 5th card i have powered from molex they go on 6 pin connector at end, the gpu has power cos fans are running on her.
mb h81 pro btc
gpus msi gtx 1060 6G
cp celerom
PS chieftec 1000w
ELEGIANT PCI-E Express 1x to 16x Extender Riser Board Card Adapter Riser Karte USB 3.0 Kabel mit SATA  you can chek on amazone

Gpu is not dead cos i have placed in other rig and she runs , i have change in bios all to gen1, 2 or auto its the same  tested other riser if the first was dead no he is working.

4 gpus are running prefect at 301 to 309 pro card all together 1214 Sol/s
4 gpus take like 550w -+ 50w whit monitor and system at the moment

I dont see the gpu in windows only 4 gpus

sorry for my bad English.

tnx