loose cable

Hey, something interesting happened with my new pc build. During the first boots, i had the psu power cable loosely plugged in, which was causing a red cpu light on the motherboard and no display. (i didn't know what was causing it and tried to restart multiple times) (i realized that it was...

The power cable going into my PSU from the socket has a slightly loose connector. However, I must note that the cable is not loose itself, it's soldily in and a gentle wiggle does nothing. However, the whole connecting segment itself seems to have a ver minor give under a little bit of pressure...