PC turns on but no display and no beep

hey guys can u please help me. My pc turns on, the fans are on and so are the lights. But my monitors says there is no signal. I tried everything, i search on the web for answers but no of them worked like, reseting the cmos (i think i did it right) I also tried the beep test (dont know how to call it) but i never got any beeps. I also tried a different walloutlet for my PCU to see if it got enough power but nothing. Different monitors and cables. I dont know what to do anymore im lost. (if the english is not that good im Dutch so yeah)

PC Specs:
CPU: Ryzen 5 2600
Fans: Corsair h60 (2018)
Motherboard: MSI X470 Gaming plus
GPU: Asus Radeon RX 570
PCU: SeaSonic focus+ 80 650watt gold
RAM: corsair vengeance 2 x 4gb
Memory: Firecuda hybrid 1TB & Kingston A400 SSD 120GB
Case: CoolerMaster

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