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Monitor goes black but green light still on.

A week ago my monitor ( Mag Innovision LT916s ) was working fine. Then one morning when I booted up, the monitor went black, like it went into sleep mode. the light was still green though. When I turn the monitor off and then back on it works for about 2 or 3 seconds then goes black again. If I keep tirning it off and on it will sooner or later stay on.
Any Idea's?

Mike

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  • lstout Dec 30, 2007

    I am having the same problem with a KDS Radius LCD monitor. The screen went black one morning, and I thought the power had gone off and the computer shut down, but the pc was still on. I turned the monitor power off and back on, and it worked for a few seconds. The same thing happens every time I do this. I changed out the video card and still have the same issue. I appreciate any advice. Thanks!

  • KVSOH Jan 05, 2008

    I'm having the same problem with my Planar Monitor after I moved it from one computer to another. I even tried moving my video card from the original PC to the other one, and that didn't work. I tried replacing the video card, and that didn't work. I tried changing from using the VGA output to using the DVI, and that didn't work either. I'm convinced that it's the monitor but I don't know why it started doing it when I moved it from one PC to another.

    Still working on it...........................

  • Anne McClusky May 29, 2008

    Same problem with my Viewsonic lcd 19 inch. On rebooting it wil flash a second and goe black. The turning the monitor off and on it will flash a second eash time showing the desktop and goe off till it will finally stay on. Got a replacement monitor from viewsonic and it does the same so I thought it must be the computer except I hooked the monitor to my laptop and it does the same only flashes laptop desktop. Hooked up an old monitor and it does the same.Thought I would try a new video card, but is it the monitor or the computer? The flash on the desktop shows the computer is on and working. If I'm fast enough I can even click on something and have it work.

  • dianecw Jul 17, 2008

    Have a Hansol monitor, 6 years old. Has always worked well. Then just started going black for few seconds then coming back on and off again even though the power light still is on. If iI am typing on the keyboard when it happens and then it comes back on, the words I will have typed are there like it never went off. Need a solution. Thanks.

  • Anonymous Oct 29, 2008

    I am experiencing the same problem. When I boot up in the morning, the monitor starts than goes black. I have to turn off and on the power button and again the screen comes up for a second and than goes black. Now its taking me 15-20 minutes of on and off and working within the computer to get it to stay on. Any ideas as to why this is happening?

  • Anonymous Dec 02, 2008

    Same problem. Can someone share a solution

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The problem with the Mag lt916s is that it is made with cheap capacitors. If you are interesnted it is a cheap and easy fix. Open it up, which is the hardest part. And replace the six 470uf 105 degree 25v capacitors and maybe even the smaller 220uf one next to them. You will see a bump on the top of bad capacitors most of the time. There are some videos to watch on Youtube showing you how to make the repair.
Good luck

Posted on Mar 30, 2008

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Check the CFL Inverter im having this problem with a Samsung 192mp and this is the feedback Im hearing.. its about a 50$ part give or take...

Posted on Jan 24, 2008

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1 Answer

When I turn monitor on, it stays on only 2 seconds, then goes dark. When I turn the monitor on, it lights for another two seconds, then goes dark. It is a MAG Innovision TCO 03 display. Thank you!


It could be two things. 1). The video card is set to a resolution the monitor does not support. 2). The monitor's power supply is bad. You can try to boot into rescue (or "safe") mode, and adjust the video card to a resolution the monitor supports. OR, power supplies usually go bad because capacitors bulge or otherwise go bad. Most monitor power supplies are hard to get, so people typically repair them. If you disassemble the monitor shell, you can see the power supply (where the AC cord goes). You can look at the metallic, cylindrical looking things with minus signs down one side, and if they look bulged on top, you can replace them. You can get replacements at mouser.com.

Mar 30, 2013 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

I have a mag lt 2219 and everytine I turn it on it goes black


moz-screenshot.jpgHello Chris,

You have a monitor with a common problem. After a few years some LCD monitors will blown a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts, replace any that look like the pictues and your monitor should work fine. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. I hope this helps, iff so please rate my solution.

Buddy
Corporate Computer
Over 21 years of computer and printer support/repair


Jun 18, 2009 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

Monitor goes blank then displays "mode not supported"


INstall the correct Video graphic card driver. The driver CD must have been shipped with the Monitor. Just put that CD in, and follow the on screen instructions.

Mar 27, 2009 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

Black screen


It is most likely that the filter capacitors on the power inverter board have failed. I took mine apart and found seven swollen capacitors on the this board, they fail prematurely and seem to be the only thing wrong with the unit. I replaced them and now it is working just fine.

six 470uf 25v electrolytic capacitors and one 220uf 25v Capacitor.

you should not attempt to repair this yourself unless you have some electronics training since there is a shock hazzard involved and also these capacitors will blow apart if they are installed incorrectly (very messy experience).

Jan 31, 2009 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

Power is on but no picture!


Hi...there,
It's seems you guys had a bad lucks! Your backlight inverter are busted. Need to replaced a new inverter...Guys! Have a nice day!

Sep 27, 2008 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

LCD MAG Innovision LT916s blak out


Hi...there,
Are you sure you installed to the right side...There (-) side too you know! Also, testing the blue buttons alike caps too....

Jul 15, 2008 | Mag Innovision 19" LCD Flat-Panel Monitor...

2 Answers

MAGinnovation LT916s


Hi...there,
It's seems you need to replaced a new backlight inverter. Check this site out...@ www.3rd-rocks.com
maybe have what you needed... Have a nice day!

Jul 08, 2008 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

Monitor reads no connection


1. Check the cable connection to your PC. It might be disconnected.
2. If your have more then one cable input on your LCD monitor(VGA or DVI) check if you selected correct input; digital for DVI or analog for VGA.

Good luck!

Jun 07, 2008 | Mag Innovision 19" LCD Flat-Panel Monitor...

3 Answers

MAG Innovision LT916S monitor problem


Hi this is the way how to examine what's wrong with your monitors. After you turned it on and the screen went black, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,
Tan

Mar 07, 2008 | Mag Innovision 19" LCD Flat-Panel Monitor...

1 Answer

MONITOR MAG LT916S


Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages.
Good Luck!

Feb 12, 2008 | Mag Innovision 19" LCD Flat-Panel Monitor...

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