Question about Samsung 793S 17" CRT Monitor

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Even if i switch on my computer with moniter it doesnt show anything on moniter screen it remains black

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Hello. With the computer and monitor OFF, disconnect the signal cable from the video card on your system. Next, turn on the monitor. There should be a bright green box with a pink outline of a video connector inside showing. If there isn't, and the monitor is definitely powered up, then there is an internal problem. If there IS a little green box, etc., the video card in your system is suspect.

  • 1) When turning on the monitor, do you hear the sound of the high voltage initiating?(i.e. you should hear some type of electronic noise like a vibration or crackling of static on the picture tube)
  • 2) If you do hear that high voltage kicking in, it may very well mean that the picture tube is dead and getting a replacement monitor is in your future.
  • 3) If you don't hear the high voltage, quite possibly the transformer that produces it(called a flyback transformer) is defective.
Due to the vast array of inexpensive monitors available, you probably should consider getting a new unit--the cost of a new display will rival the cost of the repair--and you get a fresh warranty to boot. If the picture tube is gone, there's no choice.---Rick

Posted on Oct 02, 2009

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