[SOLVED] msi x470 gaming pro -> NO SIGNAL , BIOS update required

Aug 10, 2019
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hey everyone,

ITS BRAND NEW SETUP.. I ASSEMBLED IT TODAY!

my setup:
MB: msi x470 gaming pro
CPU: amd ryzen5 3600x
GPU: msi rtx 2070
RAM: hyperx 16gb 3200mhz ddr4 CL16 predator rgb
PSU: EVGA 850 CQ G+
M2 storage: kingston kc2000 500gb

my problem is:
when I start pc, my monitor say only NO SIGNAL...
pc is running fine all is working...
im sure I need to update BIOS to latest build but I cant get into BIOS because of NO SIGNAL :/

I tried:
change RAM positions
reseting CMOS
tried my old GPU ( msi gtx 1060 6gb -> 100% working )

please can any1 help me?