Computer shuts down right after being turned on (like 0,1 sec)

[hafidsindibadist]

i build my PC about 4 weeks, it was working fine until this morning when i tried to turn it on but it kept shuting down right away ,

psu : enermax revolution duo 500w
mobo : gigabyte z370p-d3
cpu : i5 9600k
gpu : gtx 1070

 

[alexoiu]

If starting the pc with only CPU and CPU cooler installed (no other fans, components, wires, than 24 and 8 pin power cables), still the same?