Question about Samsung SyncMaster 550S Monitor

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Display problem of samsung syncmaster 450B & 550s

Hi all, I have got a problem with both samsung syncmaster 450B and 550s. When it starts up it displays a dark or almost no image (if humidity is high for example in a rainy day) and increasingly becmes clear/brighter as times passes by and after about 1 hour (more if high humidity) the display comes to its original look. is the problem related to flyback or anything else? i'll be glad if anybody can help me with a solution. tnx in advance, Auni

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  • marton87 Dec 18, 2007

    I have a samsung magic syncmaster my problem is the display is so dark that if your viewing pictures or videos there's almost nothing but black. Even though the setting of the brightness and contrast are already 100%. Anyone know how to fix this prob?

    I try opening the monitor but theres no screw to open it.

    Anybody knows how to open the monitor back cover?



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I have samsung 204B.
power on and show message NO SIGNAL spin around display, cable and connection OK,
What is problems?

Posted on Oct 07, 2011

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Posted on Jan 16, 2008


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Complete instructions and photos at:

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How to remove back cover of monitor

Here are the instructions to open the monitor:

"Don't kill yourself just to save some bucks"

Good luck.

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