Ramps 1.4 no lights or power with Xbox 203W (2 replies)

Hi all,

I attach my Arduino and Ramps board together and connect it to my laptop via USB. From here, I obtain lights on both boards and successfully upload Marlin firmware.

I then plug in my LCD screen and have limited functions as nothing is connected.

Here is where it all goes wrong...
I take my Xbox Power Supply that is 203W and connect it to the ramps board. I unplug the USB and plug the Xbox PSU into the wall, nothing. No lights, no screen connectivity, nothing.

I take a multimeter and connect it to the tops of the screws on the ramps board and I'm getting 12V.

I'm at a loss with this.

To summarize, there is no response on Ramps 1.4 when I connect it via the Xbox PSU.




Can anybody help me out?

Thanks!!