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I have a Samsung 941BW Monitor. I replaced all of the condensers, put the monitor back together and it worked well for one day. The second day the monitor screen would go dark if I did not sign on quickly. The screen eventually stayed dark and I would only see something on it when I pressed the "menu" button on the bottom right side of the frame. Now when I turn it on, in the upper right hand corner of the screen, I will see "Analog" then the screen goes dark and stays dark. If I push the third button from the left (has a pyramid and snowflake on it) the "Analog" and "Digital" displays will appear, but the screen then goes dark again and remains dark. What occurred from the first day I repaired it, and it worked fine, to now. This is extremely frustrating!!!!!

Posted by grady44 on


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  • 19 Answers

Then You might have an Inverter Problem or the back light lamps are going bad.

Posted on Nov 03, 2013

Testimonial: "Thank you for the possible sources of my problem. Now, how can I check to see if the two things you mentioned are responsible for my problem, and if they are, how can I repair them ?"

  • TigerMaco Nov 04, 2013

    Ok, Lets start over, you replaced all the capacitors(condensers), on the Power Supply Board Right?

  • Whoelse09 Nov 07, 2013

    Hi Tiger, please root the problem either in the basket of CPU or monitor



5 Related Answers


  • 58 Answers

SOURCE: Samsung SyncMaster 931BF 19" Monitor.

This is because your screen is not compatible with any resoultion past 1280 x 1024. Look at your screen's specifications here: (Page 76 listed as Maximum resolution)

If you want to go past that, you must purchase and/or use a different monitor. Just be sure to look at the Maximum Resolutions BEFORE you purchase a new monitor!

Posted on Nov 25, 2008



  • 113 Answers

SOURCE: Monitor displays breifly then goes to blank screen

try booting up your CPU again, while on its process of booting press F8, then select (something MODE), okay, then when you are at windows environment go to control panel, select display, set your display settings its default or 900 by 600 pixels settings, then if its run okay then change to your desired settings.

Posted on Dec 17, 2008


  • 1 Answer

SOURCE: Samsung 940BX LCD monitor 9

The IPboard part no. BN44-0012A is bad. We had to replace 5 monitors with the same problem. If under warranty call 1-800-Samsung for repair or exchange.

Korhan Balimtas

Posted on Apr 23, 2009


  • 70 Answers

SOURCE: Monitor displays a black half circle 1.5 inch diameter in upper left conrner of screen.

Depending on the age of the monitor, this could be a symptom of a failing LCD display (or CRT tube, if you're using one of the older styled big ones). one way to test for sure though, is if you have access to another computer (whether it be desktop or laptop, shouldn't matter) and hook it up to that one and see if the same thing happens. If it does, then you know that your monitor is at fault. If you are within manufacturer's warranty you can usually get it repaired through your place of purchase, or directly with the manufacturer themselves, but if not, then repairs are usually not worth it, and will probably cost more than the monitor is currently worth.

Posted on May 07, 2009



  • 178 Answers

SOURCE: monitor isn't working...shows desktop screen for a second then goes black.

reinstall windows ur screen resolution is not accepted by monitor

Posted on Jul 07, 2009

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