Guys , today I built my new pc but it won't turn on, even psu or fans. I've checked...

[Ayoub Simou]

Guys , today I built my new pc but it won't turn on, even psu or fans. I've checked all cables but nothing, I'm running:
ryzen 3 1200
Moba msi b350m pro gaming
Psu evga 430 80+
Gtx 1060 6gb
Nzxt s340 white
Hdd 1 tera
Can someone help me pls

 

[Karim Kubi]

I knew it that u have to buy the rouge case