The power supply we checked had a 20 + 4 pin plug for motherboard. here are the values we measured with multimeter.
Color Pin Level Tested Correct level
Green 5.07 v PS On
Grey 19.7 v PWR OK
Yellow .3 v 12 v
Purple 5.1 v 5 v
Orange 2.2 v 3.3 v
Red 1.1 v 5 v
Blue 15.1 v -12 v
Color Pin Level Tested Correct level
Green 5.07 v PS On
Grey 19.7 v PWR OK
Yellow .3 v 12 v
Purple 5.1 v 5 v
Orange 2.2 v 3.3 v
Red 1.1 v 5 v
Blue 15.1 v -12 v
With the levels we tested we determined the Power Supply needs replaced.