I have a viewsonic N2700W LCD FLAT SCREEN Monitor and the problem I am having. is it start up with no problem and a green lite the power switch stay a solid green. But the screen is very dark. if you turn off the room lite you can see the screen a little. enough to reset all display setting back to the factory defualt setting. that donot help and try too max the contrast and britness. NO CHANG. CAN YOU HELP ME WITH IS PROBLEM. Thank you N2700w screen flickers continuously.

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.