New build no signal

Oct 8, 2018
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Hey guys i have a new build with:
ryzen 5 1600
gtx 1060 6gb msi
msi b350 pc mate
corsair cx 550m
my problem is that graphics cart is working fine but i cant get signal to the screen...i tried also from the motherboard's hdmi and i have the same problem...i tried vga from the motherboard it isnt working...up from the 24-pin connector to the motherboard there are 4 leds(cpu,dram,vga,hdd)...vga and hdd are off...what does this mean and how can i fix my problem?
 

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