Question about Samsung SyncMaster 940MW 19" LCD Monitor

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Samsung SyncMaster 940MW All the keys are locked on the unit itself. The remote works everything fine but when I press any buttons on the monitor you get a 'keys locked info' up on screen. Its doing my head in!!!

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  • Beastyboy Dec 10, 2007

    Now found solution - you hold menu button on the unit itself for 10 secs and it un locks !!!!!!!!!!!!!! Cheers

  • Sylo Dec 30, 2007

    Samsung SyncMaster 940MW None of the keys on the TV work. The remote works fine but when I press any buttons on the TV nothing happens. I have to switch it on and off using the remote. Holding any of the buttons on the TV for any length of time does nothing. Any ideas?

  • Anonymous Feb 18, 2008

    Turning it off worked for me - very strange!

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I managed to fix the problem myself by switching theTV off at the mains socket, waiting 10 seconds and switching back on again.

Posted on Jan 04, 2008

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The manual for the 940MW does not mention any key locking function, so you should call Samsung direct for more info.

I'm sorry I can't be more helpful.

Posted on Dec 10, 2007

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1 Answer

I have samsung syncmaster 940mw monitor. The monitor for the most part will not turn on. When the power button is pushed or attempt to turn on with the remote the little green pilot light will blink or...


Hello,

That is a hell know problem with the 940MW tv/monitors. The power supply has failed because of parts called capacitors have shorted. If you can solder then you should be able to repair your monitor. Here is a link to the repair guide for this issue.

http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/

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

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On and off switch not working


Hello Michael,

The most common problem with the Samsung 940MW units that don't turn on is a failure of the power supply board. There are parts called capacitors that fail which in turn causes the power supply to not startup correctly so the monitor never powers up. Here is a link to a repair guide that should get you back watching tv and using the monitor in no time.

http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/

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

Oct 13, 2011 | Samsung SyncMaster 940MW 19" LCD Monitor

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Hello,

Yes, You will need a digital decoder box. The tuner in the Samsung 940MW TV does not decode digital signals. The digital input that you are seeing is for the DVI video input on the back that you use when you connect the unit to a DVI port on a computer. Any of the digital decoder boxes from Radio Shack, Walmart or Best Buy type stores will work just fine.

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

Sep 24, 2011 | Samsung SyncMaster 940MW 19" LCD Monitor

2 Answers

Power light was blinking took a long time to turn on, now power light does not blink or go solid and screen does not work


Hello,

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 This model is on 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
Corporate Computer
www.ccl-la.com

Dec 22, 2009 | Samsung SyncMaster 940MW 19" LCD Monitor

1 Answer

My display don't have light


Disconnect the unit from the computer.
Disconnect from power source.
Let the unit sit for a few minutes.
Plug the unit into the power outlet.
Push in the power button and if you get a message on the screen that says " No Signal " The monitor works fine.
Next, plug the unit into the computer port.
If you do not see a image or a signal, you may need to reseat the vedio card inside the computer.

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Sound cuts out for long periods of time


I have had the same problem. Only differance is that I run a freeview box though my 940 mw. I thought it was that playing up. Also I all the keys are locked on the unit itself. The remote works everything but when I press any buttons on the monitor you get a 'keys locked info' up on screen. Its doing my head in!!!

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Samsung 940mw intermittent power...


I don't have a solution but would like to compare information as i just started looking into this problem myself. 1. I bought my Samsung 940mw in March, 2006 but didn't start having problems with it until around April, 2007 2. I'll be using it as my pc monitor when the screen goes black and the power light stays solid green. The monitor doesn't respond to the remote control. Nor can i manually turn it off via power button BUT i can restore it by a) turning power off at the UPS outlet it's plugged into b) removing the monitor cable from PC port c) restoring power and waiting for the Samsung diagnostic message about no monitor detected then d) plugging the cable back in. My monitor image reappears. 3. fyi I only use the analog monitor input. Samsung also released a new driver which hasn't made a difference. Within just last couple months the monitor will sometimes just go black a coupla seconds and come back on without any intervention

Jul 31, 2007 | Samsung SyncMaster 940MW 19" LCD Monitor

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