Question about Samsung SyncMaster 740N 17" LCD Monitor

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Black spots appeared on 17" LCD Monitor-SyncMaster740N

There appeared one black spot inside the monitor at one corner. Then it's diametre increased. Later appeared similar spots at different parts of my Monitor.It is well visible when white pages are open. Monitor is placed in a very safe place so that there is no any mechanical damages happened. Screen is bought in 2007.

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It looks like you're developing dead pixels on your LCD screen. Short from buying a new screen to fix this problem, there are a few methods that may work. Here is the best guide that describe a few ways of unsticking those pixels.

http://www.wikihow.com/Fix-a-Stuck-Pixel-on-an-LCD-Monitor

my personal recommendation for a software fix (try it before doing anything physical to your LCD) is UndeadPixel.

http://download.cnet.com/UndeadPixel/3000-2094_4-10671596.html


Good luck!

Posted on Jun 17, 2009

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You might have what you call "dead pixels" or a "stuck pixel" try a simple test like this one now it is not the most creative one, but it does help to see if that is the case. u might be able to Fix a STUCK pixel, but unfortunately you can not fix a "DEAD pixel" simply because it is DEAD.
try this website for simple fix instructions.
if is dead pixel what you have, if u can live with it, great, if not , it might be a good reason to get yourself an another monitor.

Good luck

Posted on Jun 17, 2009

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1 Answer

In a span of 3 years my Samsung LCD Monitor (SyncMaster740N) started Having Black Spot all over the Screen, Starting from the Corners and Now it Blinks after every 10 Seconds, The buttons for Color and...


Fistly the black dots that are appearing are called "Dead Pixels". They cannot be removed as they are liquid crystals that have stopped working. When you purchased the LCD it should have come with a support CD. On this disk it should have a program to manually set the brightness on your monitor by using your mouse.

Please rate this solution by clicking the thumbs up at the top right of this solution. Your rating is much appreciated.
Thanks.

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If you hit the screen, then there is noting you can do. the lcd matrix would need to be replaced.

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Black out in corner of screen is growing


If You see that black spot while monitor is off then the LCD needs to be replace. if not then check these....
Check the LCD panel (push a little bit from the black spot place if it loose colours then may be it is due to the improper connection with panel board.( check the voltage while changing the screen resolution, if everything is ok then......
LCD pixels burned. replace the LCD panel or if u want to use it as it is then decrease the brightness and don't use high resolution images.

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