|Gateway||1100||Gateway 1100 (21") monitor. It is made by Mitsubishi and is same as their 91TXm model. Chassis # is w9105. The unit appears to power up correctly, and the led turns green, but still i get no display. All other equipment has been verified, the monitor is||If the power supply and deflection circuits are working, you could visualy check if the CRT's heaters are "lighting up"?
If so, you should see a gray screen, whenever you fully turn up the brightness control!
If so, the videoprocessor/contrast circuit is failing indeed!