Question about Samsung SyncMaster 940MW 19" LCD Monitor

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Samsung 940mw intermittent power...

Hello, I just bought a Samsung 940mw lcd/monitor and the problem that I have with it is that it turns on fine, but all of a sudden it don't turn on at all. After a while, it goes back to work normally, and then it just goes off. I know that this seems to be common since I've been investigating on my own (also took it to a repair shop and they told me that they couldn't find nothing wrong with it). Obviously I'm looking for a solution since I really like the monitor itself. Thank you very much.

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That is exactly what mine was doing. I called technical support and they are sending me a new one. This monitor comes with a 3 year parts and labor warranty. I purchased mine in June 2006. You can opt to repair or replace. I chose replace. I am waiting for the new monitor to arrive now.
Good luck!
P.S. I checked all connections and drives. I plugged in an old monitor and all was fine. I plugged the Samsung into a different CPU and it did the same thing. Go figure. I suspect the power cord or some short there in.
Let me know if you find out more

Posted on Feb 19, 2008

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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

Posted on Aug 28, 2007

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Posted on Jan 02, 2017

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1 Answer

Help with power/ on


Hello,

The normal cause of power up problems is a failure in the power supply. Check out this repair guide that shows how to disassemble the unit, what to look for and how to repair the monitor.

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

I hope this helps.

BuddyMc

Mar 18, 2012 | Samsung SyncMaster 940MW 19" LCD Monitor

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

2 Answers

My Samsung monitor 940mw won't turn back on


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.

Apr 22, 2010 | 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...

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

Samsung 940mw - no power. Have read many similar issues - it used to blink (green) and require many "pushes" of power button to finally start, but now it won't do anything. Help...


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 page 2 in the monitor repair section. 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

Nov 01, 2009 | Samsung SyncMaster 940MW 19" LCD Monitor

1 Answer

Samsung-SyncMaster-940MW power problems


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

Sep 02, 2008 | Samsung SyncMaster 940MW 19" LCD Monitor

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

3 Answers

Samsung SyncMaster 940MW will not turn on


There are broken/exploded capacitors on the power plate, it is a 5 Minute job to replace them.

Mar 13, 2008 | Samsung SyncMaster 940MW 19" LCD Monitor

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