Question about Samsung SyncMaster 712N 17" Flat Panel LCD Monitor

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Popup on monitor screen

I have a popup on my Samsung 712n screen almost all the time. Is is a small box with BRIGHTNESS 100 on it. The box is white with a light blue inner band and black outer bank with an orange line showing it is 100. I can't get rid of it. Sometimes it will blink off for a couple of seconds, then back it comes. Sometime it will stay in the middle of my screen. Any suggestions? Thanks Anna

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  • nldeshazo Dec 16, 2007

    The popup that has been coming up several times an hour is the auto adjustment window. I have the SyncMaster 731N and I have had the monitor for 8 months. In order to get rid of the popup, I have to reboot my computer.



  • Anonymous Feb 10, 2008

    I have the same problem as you are wit a SyncMaster 720N
    I am very disappointed
    about Samsung products.
    I tried everything to solve this
    problem but nothing.
    Probably it is the source of this device, because I can't turne it off.

  • deepbevel Oct 29, 2008

    The problem will come and go. I lived with it for a few months, sometimes the box would be gone for two weeks and then come back again. I decided to take a chance and sprayed the buttons with optical lense cleaner, which is mostly alcohol. It fixes it every time, but only temporarily. It could be a static issue that causes the buttons to think they are being pressed. The alcohol may work to knock the static charge off the contacts.

    Try it, the monitor sucks, so what have you got to loose?

  • samsung743 Dec 01, 2008

    Botsh solutions is big ********!
    Its nto helps and removes solution.
    I have sama problem SyncMaster 720N. I searched from internet and foudned thousand Samsung clients who have same problem. But no solutions. There have see lots suggestions. Nothing. peoples still ahve problem. DONT BUY SAMSUNG! It will be my last samsung monitor!

    I going to find now for me permanent solution - turn off samsung monitor settings screen. Or buyng new monitor! But first i transfer monitor to Samsung and want money back!

  • monicajames Mar 21, 2009

    ive been having the same problem and trust me none of the suggestions here kind of helps.i wish someone professional looks into the problem asap so that the qualinty of samsung products remain a standard......i seriously wish someone could help.the brightness window on my screen is making me blocks almost everything being right at the center of the it was somewhere at the corner i could hav ignored it but its contantly pestering me!!!



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I had the same problem.i called up the service senter of samsung and they were like, press the menu button and hold it for some time.immediately press the auto button.this would do auto lock.i mean auto adjustment lock.that solved the problem somewhat in my monitor.its not a permanent solution but it can help...

Posted on Apr 02, 2009

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Here is a link to get the user manual it is something to do with the auto adjust button I think my friend had the same problem.

Posted on Mar 30, 2009


The problem for both of you (and I have the same problem with a 720n) is that a button thinks it is being pressed. For me the problem came after carrying the monitor in my car trunk, which may have damaged the button. I would conclude that Samsung SyncMasters have poorly made buttons.

Posted on Dec 20, 2007

  • hkori Jan 27, 2011

    SOLUTION! Samsung SyncMaster 720N problems with: Menu -1st button, MagicBright -2nd button, Brightness -3rd button, Auto Adjustment -5th. Remove the front panel. To solve the problem, you must replace the micro-switch relevant to your problem. For example, I had trouble with the brightness switch. The Brightness OSD menu, (switch nr.3) appeared on my screen and it wouldn't disappear no matter what. So I replaced the 3rd switch and thus solved my problem.


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You can download the manual from this website: The popup screen is waiting for you to set it. I can't remember which button it is.

Posted on Jun 23, 2007

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