Question about Samsung SyncMaster 740N 17" LCD Monitor

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Monitor turns off suddenly

I have purchased Samsung LCD monitor. I also have APC ups 500VA. When the power goes off CPU keeps running but the monitor goes off. I'm sorry if this is not a question related to you people.

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I HAVE ONE SAME PROBLEM THE CHIP BOARD IS WORN OUT I RANG SAMSUNG AND IF YOU HAVE WARRANTY THEY WILL REPLACE IT IF NOT I GUESS YOUR STUCK WITH IT LIKE ME AND MINE WAS BRAND NEW 7 DAYS OLD BUT I DIDN'T GET A WARRANTY WITH MINE

Posted on Jul 02, 2008

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Posted on Jan 02, 2017

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Why does my asus monitor always read "no signal".


nah that happens with me sometimes..
have you connect the cable properly?
if that still can't make it works, first turn on your PC and monitor..
then plug off the cable that power them, so that your computer and monitor will suddenly off..
plug it on again, then your monitor will work again..
that works on mine cause my CPU is too old and had a power problem..

May 07, 2011 | ASUS LCD Monitor

1 Answer

When i turn on my lcd samsung syncmaster 540n it displayed a lot of colored vertical and horizontal lines.no video when i attached my cpu but it turns on when i powered my cpu


boot up in safe mode (press f8 while booting) If your monitor works now, you need to go the the samsung site and download the driver for you monitor. I assume windows 7, since that is where most of the monitor problem occur.

Mar 08, 2011 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

I have a Samsung SyncMaster 172n monitor and the screen stays black when I turn the power on. The power light starts flashing about 3 seconds after I turn it on. All the power cords are plugged in, the...


When the monitor starts up you should be able to see the Samsung screen logo, if not it does point to the monitor. But lets be sure! hook a spare monitor to the computer, if it is okay! the Samsung Monitor is the problem and is not cost effective to repair, cheaper to replace. Now if both screens show the same problem, this indicates the Video Graphics Card in the computer is the culprit.

Jan 19, 2011 | Samsung SyncMaster 172N 17" LCD Monitor

1 Answer

Samsung 22inch lcd monitor goes blank after 1min idle system.


Hello sir, I have samsung 22in lcd monitor and nvidea fx5500 card. since last more than 6 months, my monitor goes blank If system remains idle (means I don't move mouse and don't touch keyboard) for 1 minute. After monitor goes blank I have to move mouse to brink it back to on. The power led keep on during this problem. I tried everything including power options in windows but could not fix it. Is it bios setting to be checked or could it be windows bug? Please help

Mar 23, 2010 | Acer X193W LCD Monitor

3 Answers

I have a HPw1907 monitor and it will turn on for about 2 seconds, and it turns off. The CPU is fine, just a problem with the monitor. Any way to fix this?


We have the same model of monitor and had the same problem few days ago. The monitor just goes black/turns off. I noticed that the power button has a yellow blinking light and cannot be turn on/off again using the power button. The CPU is working fine also. When I turn off the avr, the power button's light turns blue for a few second and you can hear a click sound from the back of the lcd before it totally turns off. My lcd monitor is over a year old now and is 110v or 220v capable. Mine was originally in a 220v, i just put it in 110v and the monitor was fixed.. Hope this can somehow fix your problem.

Aug 02, 2009 | HP w1907 LCD Monitor

1 Answer

The display does not come on first start up of Monitor. It takes Many Startups for the display to come up. The problem is recent. So I have to keep the monitor on all the time. However the power switch...


This is a not a Problem with the monitor.This is due to RAM Problem present inside the CPU case just remove the CPU side cover take out the RAM clen twice then re install it. then Check.

I think it solves u r Problem

Jul 09, 2009 | Samsung SyncMaster T200 LCD Monitor

1 Answer

My monitor goes blank repeatedly


1. First u can check any dry points in power supply board and controlling circuit.
2. check all connectors (connected properly)
3.To replace front pannle Micro switches.

Oct 04, 2008 | Samsung SyncMaster 740N 17" LCD Monitor

1 Answer

Samsung SyncMaster 17" LCD Blacks out


If you have a second monitor, you could use your computer until the monitor goes black... then plug in a replacement monitor. My guess is that one will display black too...

My gut feeling is that your VGA card is on the fritz... I'm not convinced it's your monitor. Do you have a replacement VGA card you can try? I'll bet that'll take care of the problem.

Apr 22, 2008 | Samsung SyncMaster 17" LCD Monitor

1 Answer

Powering up problem on UPS


about your first problem it is not normal.you should check it out with a qualified professional.
after repairing it will work nicely

Apr 02, 2008 | SAMTRON 55V 15" CRT 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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