Question about Samsung SyncMaster 940MW 19" LCD Monitor

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My Samsung monitor 940mw won't turn back on

I turned the tower off, and then back on again, and now my samsung 940mw monitor won't turn back on. What can I do?

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  • Samsung Master
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Hello,

Yes, The problem is a failure in the power supply board, this is a very common issue with this model. If you can solder then you should be able to do the repair yourself. We have a full repair guide with parts list available on our web site at: http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/ The repair should take about 20 minutes to do. Look the page over and if you have any questions just let me know. Also if you don't want to do the repair yourself we do offer a repair service, details for this can be found at: http://www.ccl-la.com/blog/index.php/service-request-form/

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

Buddy
Corporate Computer
www.ccl-la.com

Posted on Apr 29, 2010

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  • Master
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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
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Please post back.

Posted on Apr 22, 2010

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Posted on Jan 02, 2017

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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.

Oct 30, 2011 | Samsung SyncMaster 940MW 19" LCD Monitor

1 Answer

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

1 Answer

Samsung 940mw monitor ringing then blank screen


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 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
Corporate Computer
www.ccl-la.com


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

My samsung Syncmaster 940mw wont turn on when the pc is turned on


Your needs internal servicing by experienced person. Capacitor or ERT may be malfunctioning

May 25, 2008 | Samsung SyncMaster 940MW 19" LCD Monitor

2 Answers

Doesn't turn on


I have same exact problem too. You have to wait couple week unplug than plug again. Sometime it is work.

Nov 27, 2007 | Samsung SyncMaster 940MW 19" LCD Monitor

2 Answers

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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