Mini Rambo LCD Screen flashing/clicking?

I just got my my mini rambo, power supply and LCD screen from the store here…

hooked it up as shown in the pictures but when i apply power to it via the PWR In port the lcd flashes blue with a slight clicking noise and then goes out … nothing visible on the screen… it just keeps doing this.

what should I be checking for?


so i figured it out… I had one cable reversed when connecting it…

the silk screen on the pcb indicating the notch of the ribbon connector is actually wrong for expansion port 1.

The ribbon cable is connected opposite of where the notch should be.

Yeah those connectors have changed orientation, for some reason. I used to pull em off and turn them, I gave up because now the ramps adapter is backwards as well, so it works.

gotcha… it just threw me off at first.