Hy guys i have two G750M from coolermaster. The PSU connectd to the Mobo are ok no prob, but the second the one are connected whit a add2psu the sata outleets dont give any power. already try to short the green wire and the black and the results are the same...
But if i connect it to the mobo run fine....

Can some one plz help me?

tks in advance.