Question about NEC MultiSync LCD1550ME (Black) 15" LCD Monitor

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Monitor does not stay on

My monitor is a MAG(INNDIVISION) it goes off every two seconds. I can see the ghost of the screen in the backround but can't read it.I have to keep turning the button on the monitor on and off to get picture every few seconds. At start menu for turn off computer it used to say re-start, turn off pc, stand by. One day it said hybernate. never saw that before, My husband may have used that thinking it was stand by. I think it may have some thing to do with a back light or front light situation. As I am writing you, I have to keep turning it on and off to see what I wrote. But I can use it and it works but I can't see anything. How do I get to a control panel for monitor to fix the off and on time , or back and front light for monitor to stay on all the time. or is it just a garbage monitor even though it is only a few months old and I lost the receipt. The steps I took were I went to system restor and went back to as far as it would go 10-6-2007. I went to control panel to try to find monitor settings do not know where to look. my e-mail address is 734-428-4289 or 734-972-4057 Please help me if you can Thank you Barbara Parks

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SOURCE: monitor

Exactly what the one in my shop is doing and it turned out to be bad HV board in monitor. Gary(Honkity Hank)

Posted on Sep 18, 2007

  • 472 Answers

SOURCE: Monitor displays breifly then goes to blank screen

F1 = Fuse 1
You should be able to locate a surface mount fuse at your local electronics store.

Posted on Apr 12, 2008

  • 1 Answer


the inverter board has a problem. this is the small pcb that sends high volts to the backlights you will need to change it

Posted on Dec 03, 2008

  • 1 Answer

SOURCE: Monitor picture fades out.

I thought my problem was originally monitor related. However since I posted, the picture disappeared altogether, and my PC wouldn't even start to bootup. Fearing my mobo may have died I removed the hardware components, cleaned then re-assembled them. After all that, it turned out that my graphics card has a tendency to become slightly unseated. Once I was aware of this problem booting up resumed normally. It seems that the problem of the fading monitor picture seems to still occur, but soon after I use the machine after 'hibernation' state, and even then it doesn't always occur if I do use hibernation. I haven't used hibernation for a little while and so far the problem has not returned

Posted on Apr 05, 2009

  • 208 Answers

SOURCE: Multisync LCD 1700V turns on then screen goes blank and shuts off

Does the power light stay on? If so, you have an inverter problem. If the power light goes off, you have a power supply problem.

Posted on Sep 02, 2009

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The best thing for you to do now is to take the monitor to a local repairer or service center within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

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Can you send pictures of the power board to me at I will check our service manuals for the model and get back with you about a solution.

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I have the same problem with a customer's monitor (LT716S); it turned out to be damaged power supply board. As I understand it, MAG has a 3 year warranty on parts, will probably charge you a flat labor fee plus shipping. If you do not have your purchase documentation for warranty, dump it and replace. If you can, then you may wish to have it repaired.

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Good picture for 30 seconds then screen goes black with a faint ghost of the image

the 12V is for speakers.. the 245bw takes regular 120V AC (same cord as your computer)

the buzzing is annoying, though. i don't know if it's a "feature" or just a side effect.. ie, if i could take the case off and poke around, i would. 4 times out of 5 it's some dumb piece of tin reverberating from a transformer or something..

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3 Answers

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My MAG Innovision Monitor went blank, only works if I stay connected to internet

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Feb 24, 2007 | Mag Innovision LT776s 17" LCD Monitor

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