Apple Cinema Display 23 "short-long-short" Fix
Video of how to get there
Background from "Jakobeon"
"It turns out the middle pin in the power connector is a ground. When it read an incorrect voltage it makes the displays inverter turn off to protect the unit. One way to circumvent this is to cover the middle pin in the cord going from the monitor to the power brick. I used a piece of paper in the shape of a "W" covering just the middle pin. I double folded a piece of paper and folded it over the plug and down into the connector and then gently pushed the plug into the power brick. Once i did this the monitor popped on and all was good in the world... "