Question New build not working

[Rain636]

I just built my first pc and when I tried to power it on nothing happened. When you flip the psu switch the motherboard rgb lights flash once and nothing happens, soon after the rgb ram light up though. When you try to press the power button the little cpu light on the bottom right corner lights up once and nothing happens, no fans, no light, no nothing after that.

Specs-
Cpu ryzen 5 2600x
Mobo gigabyte Aorus b450 pro WiFi
Gpu msi rx 580 4gb
Trident z 16gb 3200mhz

Please help!!

 

[rgd1101]

make and model of the psu?

do the check list? https://forums.tomshardware.com/thr...ng-about-post-boot-no-video-problems.1285536/

 

[Rain636]

make and model of the psu?

do the check list? https://forums.tomshardware.com/thr...ng-about-post-boot-no-video-problems.1285536/

I don’t know the specific model of the psu but it’s made by Seasonic