Question about Samsung SyncMaster 920NW Monitor

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Samsung 920NW Monitor screen keeps turning off after a couple of seconds when powered up.

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BENQ Q7C4 monitor shuts down after 5 seconds of login screen display

Posted on Jul 08, 2010

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1 Answer

Samsung syncmaster 920nw 19 goes black after 2 seconds and power led is on


Hi,
Its due to bad power supply. open your Led and remove old bad capaster and replace with new with same value. hare is link you can follow. http://www.youtube.com/watch?v=y1VbrAYc-d8

Jun 15, 2012 | Samsung 920NW Monitor

1 Answer

The monitor screen shows the content of my laptop screen for the first 10 seconds and after, the monitor turns black


hi check your inverter board, the intermittent power is caused by a faulty component in the inverter.

Oct 27, 2010 | Samsung SyncMaster 920NW Monitor

3 Answers

When I turn on my computer the monitor turns on for about 3-5 seconds and then goes black. The blue light stays on and does not blink. If I turn the monitor off then back on it will again show the screen...


Had same problem, Monitor first turn on, backlight off after couple of minutes, off/on backlight off after few seconds.
Solution cut J503.
Found voltage OVPT (IC501,7) quite low (1.6V) this is the reference value for VSEN the over voltage value. By cutting J503, OVPT becomes 4.5 volt but is not depending anymore on the current through the lamps. Instead of the link J503 I solder 2x 1N4148 diodes which makes the OVPT not go below 2,8 volt. (diodes in series, cathode points to nearest board edge)

Oct 27, 2010 | Samsung SyncMaster 920NW Monitor

1 Answer

My samsung syncmaster 920nw picuture goes blank after a period of a couple of minutes. If I turn the power off and then back on the picture re-appears but goes off again. It is not he pc since it works...


If you get a flashing screen which show your screen for few minutes and then goes blank it may be an issue with the Monitor.

Try to restart the computer and go to BIOS setup screen. If you experience the same issue in BIOS then the monitor needs a repair or replacement for sure.

Jul 19, 2010 | Samsung SyncMaster 920NW Monitor

2 Answers

Hi I Got a Samsung SyncMaster 920NW the display


If you are saying that it powers off in a few seconds you most probably have a bad (internal) power supply.

Jul 12, 2010 | Samsung SyncMaster 920NW Monitor

1 Answer

Moritor turn off after 3 second


problem with power supply circuit or inverter and ccfl lamps..

May 17, 2010 | Samsung SyncMaster 920NW Monitor

3 Answers

Flashing power button on Samsung SyncMaster 920NW


Yes, More than likely the problem with the unit is blown capacitors on the power supply board, the flashing power light is a good indicator of this type of failure. Here is a link to a repair guide with pictures and videos showing how to open the unit and what to look for and replace to get it back going again.

http://www.ccl-la.com/blog/index.php/repairing-the-samsung-920n-920nw-monitors/

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

BuddyMc

Feb 12, 2010 | Samsung SyncMaster 920NW Monitor

2 Answers

Dark screen samsung syncmaster 920 N strange noise behind it


The clicking sound you hear is the power supply board trying to start up, this indicates the board has failed. This is a common problem with all LCD monitors after a few years of use. Parts called capacitors on the power supply board fail and they will keep the power supply from starting up correctly. If you can solder then you can repair the board yourself. Here is a link to a repair guide with pictures and videos showing how to dis-assemble the unit and then what to look for and replace to rebuild the board and get the unit back running.

http://www.ccl-la.com/blog/index.php/repairing-the-samsung-920n-920nw-monitors/

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

BuddyMc

Dec 19, 2009 | Samsung SyncMaster 920NW Monitor

2 Answers

Monitor goes blank after 3 seconds -Samsung SyncMaster 920NW


Could be a power issue. If it doesn't show anything at all then that may be the case. It may also be the display itself. It would be a costly repair so you might be better off finding a new monitor.

Sep 16, 2009 | Samsung SyncMaster 920NW Monitor

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