I am building a new computer and I'm not sure as to what I did wrong. I followed all directions as my motherboard came with, hooked everything up as it was supposed to be. I go to turn my computer on and it goes to power on for a fraction of a second then instantly back off. If I try to turn it on again nothing, unless I turn the PSU off and wait a moment. Like I said this is a new build and I'm dumbfounded on it. Any help would be appreciated.