Question about Samsung SyncMaster 932B LCD Monitor

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Samsung SyncMaster 932BW After returning from Tech Service, kind of little dusty black points (like dead pixels) appeared in the display, also one or two tiny like hair micro objects. Is there a way to clean this? since they are behind the front (people at service found it very strange since, as they told me it is all sealed) but I`m sure it happens to them when they opened (to look for a little noise that drives me there) Somebody help me please `cause I`m a graphic designer and I want my display CLEAN and free of bizarre points. Thanks in advance.

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  • skyluco May 18, 2009

    Thanks frankzjm for your concern.

    I was there because of an almost imperceptible constant pitch (it`s a F note in a guitar). It becomes audible only when the image appears
    in the display, not when I turn it on (blue light on). I mean, if I just turn it on with black screen and computer off, there`s no noise.
    They say It`s normal which I don`t think so (they didn`t solve it)
    I have read in the web that some people have the same problem and it`s seems to be related with an internal capacitor.

    Any suggest?
    Thank U.

  • skyluco May 18, 2009

    Hi frank.

    First of all sorry for my english (I live in Chile so I speak spanish),
    so maybe I can`t make myself clear.
    What I`m trying to say is that I have two different problems.
    One is the kind of annoying "little electrical or magnetic noise"
    (but I can live with) and the other, is how can I clean the display that it seems to me dirty from behind. It`s like trying to clean a window glass at home but from the outside.

    Got it?

    Thanks again.

  • skyluco May 19, 2009

    Thanks again dear frankzjm.

    I think same as you.
    Knowing that the panel inside is vacuum is very rare got dirty but definitively these "things" are living inside. (think have to live with)

    Thanks again my friend for your concern.

  • Frank Zhang
    Frank Zhang May 11, 2010

    thanks for your feedback, you means the LCD screen inside surface dirty?

    1) you need to know the panel inside is vacuum, and it is very rare got dirty but except someone open it. if you are very sure the panel dirty inisde the surface of glass ( basicly it is not nly glass), it is very hard to clean the inside surface, also it is much risk to danage the LCD panel.

    2) you can clean the dirty of the surface, using soft cotton and make a little wet, clean from right side to lift and keep one direction. if still not gone, don't try to fix anymore.

    just make a sense.

  • Frank Zhang
    Frank Zhang May 11, 2010

    so the same "imperceptible constant pitch " before the sevice done, your describle can not let me to make sure whats problem location with your LCD screen. the constant noise dots more % wrong come from the LCD panel.its self which is hard to fix .

    just make a sense. sorry I can not give you a solution to fix it due to I can not see real symptom.

  • Frank Zhang
    Frank Zhang May 11, 2010

    whats the problem your monitor had before service?



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SOURCE: samsung monitor problem

update the driver of your video card or download the Everest Ultimate Edition

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SOURCE: Syncmaster paower button blinking and no display

I have a Syncmaster 204B which had the same problem, I followed these instructions, and sure enough the same two caps were vented. I replaced them with new ones (using 1000 µF instead of 820 µF as it was all I could find and the guy at the electronics store told me that there was a wide tolerance. It is now working like new.
Thank you for the tip!

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SOURCE: Samsung SyncMaster 713BM


Follow the instruction below to solve your problem:
Restart your computer and enter Safe Mode (press F8 right as the computer starts booting up. Choose Safe Mode in the menu, press Enter twice).

While in Safe Mode, open Control Panel and go to Add/Remove Programs (Programs and Features on Vista/7) and uninstall the display driver software/drivers.

Restart your computer and boot normally. Now you should be able to see everything. Things might look bigger and uglier, that because there's no display driver installed. All you have to do now is reinstall the display driver. Use it's original disc or go to the manufacturer website and download the latest driver.

Good luck!

Posted on Mar 27, 2010

SOURCE: Can someone tell me how to open the case of my

1.follow this first


2.Turn the monitor so the front section is facing
upwards. after completely pulling this front cover,

Turn the monitor so the back of it is facing
upwards. Lift up and remove the back cover.

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SOURCE: dark screen samsung syncmaster 920 N strange noise behind it

The clicking sound you hear is the power supply board trying to start up, this indicates the board has failed. This is a common problem with all LCD monitors after a few years of use. Parts called capacitors on the power supply board fail and they will keep the power supply from starting up correctly. If you can solder then you can repair the board yourself. Here is a link to a repair guide with pictures and videos showing how to dis-assemble the unit and then what to look for and replace to rebuild the board and get the unit back running.

I hope this helps, if so please rate my solution.


Posted on Jan 18, 2012

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