Question about Samsung SyncMaster 940MW 19" LCD Monitor

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940mw - Compatibility

Hi, Fore warning...this post is fairly long so that I can give as much detail as I can Just bought a Samsung SM940MW and it works great with my xbox and dvd player, however the main reason I bought this was as a second monitor...and I can't get it to work! Upon first connection to my computer (via analog), Windows XP showed no indication that I had connected the monitor. However I installed the supplied drivers for the Samsung anyway. Still nothing. The screen on the Samsung is black with a white box floating around around the screen which reads..."Check Signal cable.PC" I tried another cable and still no luck. My computer is a Sony Vaio FS285M (laptop) running a nVIDIA Geforce Go6200 with Driver version 70.86. Sony have not released any further updates since this but I did manage to get 81.95 working, but this had no effect on the moitor so I reverted to 70.86. I have created a new profile for the Samsung using my nVIDIA settings giving it a 1440x900 res, and refresh rate of 60. Although it is 24 bit, i have tried 16 and 32....still nothing. When I first bought this monitor, I returned it for another one thinking the monitor was at fault. However, I have the same results from the replacement. I would still assume that the monitor is at fault, however, my friend tried it on his Sony Vaio (different model to mine and running an ATi card), and the Samsung worked straight away. I therefore assumed I definately have a hardware problem with my port...BUT i tried 2 different TFT displays and a CRT display in dual monitor mode and both work fine with my laptop! I am therefore at a total loss as to what to try next...I have seen the samsung working, and have seen my laptop working, just not with each other! Any suggestions before I pull all my hair out? :( Thanks

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  • Anonymous Jun 03, 2008

    I have the same problem. I think it is caused by incompatible voltage levels on ananog input of the monitor. When I connected the monitor to my laptop via VGA repeater it worked fine.

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First thing i would check is your settings. See if windows is reconizing two monitors. If not then you will need to tell it to find it. Hook up your second monitor goto add new hardware and see if windows finds it. If it doesnt find it then i would go to manufactures site for your laptop and see if there are advanced drivers for that particular model of monitor.Also I would look at the manufacures site for advanced settings or technical information. This should solve your problem.

Posted on Sep 20, 2007

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Before you spend a lot of money on the unit look over this article we have posted on our web site: http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/ If you can solder then you should be able to do the repair yourself. The power issues you have are usually caused by a failure in the power supply board. If you don't want to do the repair we do offer repair services, more details on this can be found here: http://www.ccl-la.com/blog/index.php/service-request-form/

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Most common failures in SAMSUNG and other LCD monitors are due to bad caps, that will be the first thing to look for inside. Please see SAMSUNG albums so you will know what to look for inside.

http://s807.photobucket.com/home/budm/allalbums
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Please post back.

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Yes,
The problem you are having is caused by a failure in the power supply board. We repair these units in our shop all of the time. We have an article posted on our web page at: http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/ that gives full repair details and parts lists. If you don't want to do the repair yourself we do offer a repair service, more details on that can be found here: http://www.ccl-la.com/blog/index.php/service-request-form/

I hope this information helps, if so please rate our solution.

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We have an article posted on our web site about repairing the 940MW it can be found at: www.ccl-la.com The problem you have is caused by a bad internal power supply and the article give parts list and instractions for the repair. If you don't want to do the repair yourself we do offer a repair service for $35 plus shipping.

I hope this helps, If so please rate our solution.

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1 Answer

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The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com Look on the monitor repair page 2. We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

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

Buddy
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Dec 31, 2009 | Samsung SyncMaster 940MW 19 in. LCD...

1 Answer

Samsunng 940mw lcd monitor will not power up. was blinking several times before it would turn on. now no power light nothing.


I experience the same "power on" problem with mine, bought february 2007.

Just called the Dutch servicedesk of Samsung Electronics, just gave the serialnumber, next tuesday I will receive a new monitor.

Thumbs up this time for Samsung service

Jul 21, 2008 | Samsung SyncMaster 940MW 19" LCD Monitor

1 Answer

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Hi,

Your Samsung SM940MW supports multiple TV and video signal formats including NTSC, PAL, and SECAM making it multi-system.

The aerial/cable input follows the European standards. What you described as "screw on connector that has a female center" is better known as a "PAL" connector whereas the US uses the "FP". What you need then is a female FP-5 to male PAL adapter.

This page would list most of the common adapters for such a purpose. Perhaps you can print it out and show to the salesperson when you go looking for one.

Hope this be of some help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.

Nov 12, 2007 | Samsung SyncMaster 940MW 19 in. LCD...

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