PC auto powers on

[UnlameUsername]

So xmas finally came and I built my new PC and it works fine for the most part, only issue I'm having is my computer will turn itself back on after I shutdown in windows. When I click shutdown it acts sort of like a restart, the screen doesn't get a connection for a few seconds and then boom; the motherboard manufacturer screen loads and windows boots up. This is only an issue with the windows shutdown, holding actual case button for 10 seconds to power off the computer will always work, doesn't matter if I'm in windows or in BIOS or manufacturer screen holding the power button doesn't let the computer turn itself on (It also works this way if I unplug or turn off the wall power). To get through this issue I just hit the power button when the manufacturer screen displays but I'm getting real sick of it.

 

I've tried so many troubleshooting things in windows but nothing works, and I check the BIOS and all power stuff says it won't turn itself on. \

 

MOBO: Gigabyte A520M DS3H Motherboard

 

Heres the other parts if you care, im too lazy to list all of them individually