Question about Samsung SyncMaster 204B 20.1" LCD Monitor

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Monitor blinking after power outage

After the power came back on after an outage, my Samsung flat screen monitor is blinking on and off. I tried unplugging it from the current and computer and this did not help.

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Check the power supply section first.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Posted on May 27, 2010

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Hello there,\r\nMy samsung 940be flat screen is


Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

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Please try to connect your monitor to another PC, if still the problem exist, then probably an internal electronic part/s is cold soldered / defective, which I suggest to bring the unit to an authorized service center to fix the problem. regards

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this might be overly technical, but it sounds like the video card is on the blink (no pun intended). I'd power down the machine, open it up, pull the video card, re-seat it, and power the computer back on.
If it continues to do this, that card is probably toast.

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Sounds like the power outage damaged the video interface could be damaged. You might have had a spike that effected the red input of the monitor. You can try to order a video interface, or like I suggest to others, look for the same monitor but broken on ebay and swap out the interface board. Chances are this will fix your problem. Good luck

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