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cklein95, I should guess that the unit's "switch-mode-power-supply" is in full or partial shutdown mode. Check all cable connections. Then read a few of my longer responses to BLACK SCREEN lcd owners to find out all the options you have when faced with a LCD monitor that has failed prematurely. If unit not covered by warranty, you will need to decide if you are going to trade-up for wide-screen or contract out for repair or you will go on DIY repair quest. Follow the links to other sites listed in profile so that you will understand the no.1 cause of BLACK SCREEN. Do you know the lcd flashlight test? Do you know how to unsolder and solder parts on a printed circuit board. Do you know how those new energy efficient curlie-Q CFL light bulbs work? Hope this gets you started. 12fixlouie
The monitor does dot but the ac adapter does. The adapter has an automatic overload and thermal protection circuit built in. You can try plugging it into a surge strip and see if this stops it or putting the adapter where it can stay cooler. Some people have put a small fan blowing on it. They often do this and it is usually because the adapter is getting too hot. Don't put it in an enclosed space where it has no air flow. It is designed that way to keep the adapter from failing and having to be replaced. Hope this helps you.
Could have blown some capacitors inside the monitor. I just fixed one today that had no power, the blue ring around the power button didn't even light up when plugged in. I open it and found 3 bulgingcapacitors on the power/inverter board. They were all 25V 470uF rated capacitors. Went to radioshack and found 2 35V 470uf, got them at $1.29 each, then I found 1 50V 470uF out of a dc car power adapter for an ipod, it was as close as I could find. Replaced the 3 broken/bulging ones with the new/salvaged ones, put it back together, plugged it in and the blue light came on when I pushed the power button. Plugged it in to my laptop with vga cable, and it works great.
If your picture was okay when it was running and the screen was not pinkish then the power board inside the monitor is in need of an overhaul. Your unplugging it and plugging it back in just did a temporary reset by discharging the capaciotrs for a bit. It more than likely needs new capacitors installed. I have done a few of these and do a lot of inverter power board repairs through ebay id bammbammfran Fran firstname.lastname@example.org