Computer won't turn on after power outage

[Vicente_3]

Hello, last night there was a power outage and now my computer won't turn on in fact it seems that its not receiving any power beacuse the light that usually lights up on my graphics card isnt on neither the leds on my keyboard and mouse turn on.This has happened before but last time i waited a day and it turned on out of nowhere now it isnt turning on wnd i've waited

Any help needed.
Thank You(Sorry for some english mistakes)

 

[Aeacus]

What's your full system specs, including PSU make and model (or part number)?