[SOLVED] GPU/ Riser does not start with second PSU

[allaboutpcs]

I am having issue with my 6 GPU Setup. I have 6x RX 6700xt with 009s risers. PSU is Cooler Master MWE 850 Gold V2. 3 GPUS/Risers/SSD/Motherboard are on one PSU. And remaining 3 gpus/risers are on second psu. I am using 24 pin PSU Splitter cable. When I power on, 2nd psu fan rotates for 1 second and stop. None of the gpus/risers connected to 2nd PSU has any power. I swapped the whole setup and tested, but result is same. So both PSU are acting same way. I tried paper clip test with nothing connected and same result, PSU fan spin just for a second and stops. Am I missing something or Cooler master PSu need some different pin short? Does this PSu need any load like a molex fan to stay on when using paper clip test or 24 pin splitter cable.

 

[vov4ik_il]

Some PSUs have built-in protection for 0 load situations. I would hook up some dummy load to the 5V line (an HDD or DVD) and repeat the clip test.

 

[allaboutpcs]

Thank you for the advise. I will try this today