Question about Samsung SyncMaster 740N 17" LCD Monitor

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My lcd monitor is not working after power failure (syncmaster 170t) .

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  • saidul_malli Nov 17, 2009

    My Samsung syncmaster 740NW power light is blinking continusly.

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  • 54 Answers

The monitor was probably fried during the power outage due to a spike just before the power went out.
On the power brick check to see if there is an LED light and see if that is lit when its plugged in. If its not lit up then you may want to try a new power brick, if it is lit up then your monitor is a dead.

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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Hello,

This problem usually indicates a failure of the power supply board that runs the video control board. You can fix it but if your unit is only 1.5 years old then its still under warranty, 3 years parts and labor. Go to www.samsung.com and go to the service section to start a warranty claim. It takes about 2 weeks to go out and back to you.

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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

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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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

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ritchaddison, Problem could be inside monitor. If "cold-cathode-fluoresscent-lamps" fail to stay lit. problem might be the "electronic ballast" circuit needs work done on it. Also check the "switch-mode-power-supply" for typical failure modes that result in "black screen" complaints. Remember this!! Your monitor no different than any other brand of CCFL back-lit LCD display in it's basic design and operation. Software not problem. Only you or qualified electronics technician will repair this unit. Read my and other LCD monitor tech's fixya profiles to make decision on what option you will use on 910mp unit. 12fixlouie

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This may due to power supply is not connected properly or power supply itself gone bad. check and repair/replace the power supply may solve your problem.

Revert back for assistance.

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zolio, Monitor most likely has "switch-mode-power-supply" problem!! click on blue highlighted "SyncMaster 740N" and read about similar BLACK SCREEN of DEATH failures and how to fix them!! Your monitor I suspect is no different than any other LCD with "cold-cathode-fluorescent-lamps" for backilghting that fail to light-up. You can even visit YOUTUBE for videos on fixing BSOD problems!! Also a ton of stuff here on FIXYA!!! Just read and follow some of the links!! you WILL find out about everything you DIDN'T know of HOW and WHY lcd monitors fail. And better still, LEARN how to do the repair work or contract out the work to a Technician or other monitor REFURBISHMENT depot. Have you tried SAMSUNG to do warranty work? If this response was of some help please rate on FIXYA . 12fixlouie

Nov 12, 2009 | Samsung SyncMaster 740N 17" LCD Monitor

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It could also be because there is a problem with the display controller in the computer. Try to hook up another monitor to this computer and see if it comes up. If it does not work with another monitor, the computer will need servicing. If the display does come up, the Samsung monitor will need service. Good Luck

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