Ok
I have some findings...
The card is working in my Gigabyte 790XTA but it is not working in Asus P5KPL and Asus P5GC but i am almost sure that it was working in that boards, before!
And according to that 2 Asus boards i need to cut off power, then remove the diag then connect power and after that i can run the computer so the mobo is stuck after i insert the diag and i need to cut the power to unstack the mobo.
I reprogrammed bios but no changes.
I also tried another option
I connect the PCIe to PCI adapter to the PCIe port, then i connect the diag to the PCI port in that adapter and everything is the same, no power on, mobo get stuck.