Question Computer won't fully turn on

[Dakka1]

I believe i installed everything correctly but my pc still won't turn on fully it turns on for a full second and shuts off

Bulid
Motherboard:asus z390-a
PSU:EVGA 500w bronze
RAM:8gb ddr4 2400

 

[Grobe]

In church we beleive, in computers we trust. . . ?

Do you get any sound beep before it turns off ?

Check again what is conneccted. If you take your time making a full detailed list, you may as well spot any error before fullfilling the list.