Quote Originally Posted by Cornel View Post
Hi.
I bought the psu when i got this upgrade 4-5 months ago.
It's an Corsair AX 1200W PSU.

http://www.komplett.no/k/ki.aspx?sku=600429

Not sure how i could look at the rails when it's not posting...
That is a good power supply but even good ones go bad. I would first start at checking the rails in the bios and then measuring them at the molex with a mutimeter.