Need help. Problem

[Buddyro22]

Hello , I've recently built my first ever computer and it won't power up. I've plugged everything were it suppose to be re checked the Manual 5x rebuilt it about 5 times and there's still no power. Is my "brand new" PSU dead?

 

[Gingerbread]

you need to give us full pc specs, else we can't help.

 

[Buddyro22]

Mobo:H81m-HDS
PSU: EVGA 430w
RAM: G.skill 8gbs
CPU g3258
1 tb blue hard drive