Question about Dell UltraSharp 1800FP 18.1" LCD Flat Panel Monitor

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Intermittent power on problem, monitor now completely dead

This monitor had an intermittent power on problem. I took it apart to see if there were obvious issues such as blown fuse, burnt or blown device, bad solder connections on power connectors, etc. Found nothing obvious but before reassembling I had plugged it in to check output voltage from the power supply; Got 12V and 5V output from output connector, however, the led on control panel lit up and viola, the monitor worked. It continued to work for about 3 weeks until I had to replace the surge protector it was plugged into. Once it was plugged in, it wouldn't turn on. If I unplug it then plug it in to the live outlet, the status led (green on, amber idle) flashes very faintly but it does nothing else. I'm pretty sure the PS is good. If it is, then what else could be causing it to not turn on.

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See other post regarding IC901 Please feel free to RATE me if it helps

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