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Have you checked that power is reaching your PC? First, check your power socket by plugging something else in. Next, you need to check the monitor's power line.If it has a fuse in its plug, check that by substitution if you don't have a test meter.It is very unusual for the power lead itself to get a fault because monitor power leads are heavy and of good quality.
It is possible that an internal fuse has blown, but if it has, there must be a cause. I would not advise you to even check that due to very high internal voltages even when power is off. Unforunately, CRT monitors are worth so ilttle these days that they are not worth repairing. Your best bet is to find a used monitor locally, which should not cost you much because they can hardly be given away these days.Look in your local papers.
There could be a problem with the picture tube it could be dead( shorting) or the tube Transformer s damaged another course of this could be at the Horizontal section ie a Transistor or a Diode could be shorted . Pls tell ur Technician to check all this . Lastly Buy a new Monitor .
spc12b, Have you tried the flashlight test yet? How old is this monitor? Your monitor has a 2 types of power supplys in it. A switch-mode-power-supply and an "INVERTER" supply. One or both of them could be having a problem. The inverter needs DC from the smps to change it into AC to light up the cold-cathode-fluorescent-tubes that are hung in back of the lcd panel. Let me know results of flashlight test. After screen goes black, hold light 1-2" from screen at different angles. Let me know if you still can see the win-desktop screen even though it is still dark.. Bye for now. louie12fix on fixya or lmistyrel @aol.com
could be dead, but check to ensure that you are using the monitor ONLY, not TV tuner device. as a standalone, not hooked to cpu if there is no power light when plugged in assume your buying a new monitor.
First thing to check is the power supply cord that plugs into the monitor. Sometimes the internal transformers fail. Let me know if you have power to that. The way to check it is to plug the cord into the wall socket and use a multimeter tester set to DC Volts and see if you get voltage to it. Let me know if you get voltage there