RE: [CAD_CAM_EDM_DRO] Info on Jumping a PC power supply?

> I purchased a kit from stepperworld.com they sent it with a
> 550w power supply and nema 23 steppers. I hooked up the
> supply they gave me and it worked for a little bit then
> stopped. I went to frys and bought a new one but I jumped it
> the same way that they did but I only get the 5v part to work
> and not the 12v part. I took some power from the pc I'm using
> to run the machine but would rather use the new supply for
> the motors alone. ? I think there are two circuits to jump
> out for the new power supply.