Question about NEC MultiSync LCD1700V 17" Flat Panel LCD Monitor

2 Answers

Monitor blinks on and then off and does not come back on until it is powered off and then back on and blinks out again

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  • Anonymous Feb 22, 2008

    Monitor blinks on on powerup and goes off does not comeback on until powerup..again goes off.....

  • johnny duchesneau Mar 11, 2009

    Same here......display shows for about one second the goes dark.

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2 Answers

No, never got a solution

Posted on Feb 05, 2008

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Did you ever get the problem solved? Mine is doing the same.

Posted on Feb 04, 2008

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If its Bluetooth you need to put it in pairing mode by turning The device off and then turn it back on and continue holding the power button until this device power on light stays steady or is Blinking rapidly

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My screen symtoms are a little different on my L1975NW.


I am guessing the LED power indicator blinks green then becomes steady when the screen "turns on" (shows video). The problem is most likely a failing backlight power supply. That's why there is a 30 minute delay. Try to disable sleep mode and see whether that helps.

Aug 30, 2012 | Westinghouse L1975NW Monitor

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My ViewSonic VX924 flashes the green power light off and on when I try to turn it back on after it has been off for a while. I can get it to work again by disconnecting the power in the back then...


I had several monitors do this. They start blinking on and off for a while until they warm up. It takes longer and longer for them to warm up, then eventually they never stay on and blink forever. In my experience, it has been the capacitors on the power circuit. You can fix it with a little soldering and about $1 worth of capacitors. For photos and a guide, look here: Fix an LCD Monitor

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Power led blinks


Some of the capacitors inside off the monitor might be starting to go bad. If you can get the back off of the monitor, look on either the power board or the main board and you might see some capacitors that are getting puffy. The silver tops will look pregnant.

If you look in there and you don't see any puffy capacitors then you'll have to wait until the power led light blinks and you get no video.

If you look in there and see puffy caps, then replace them with capacitors with the same UF rating and either the same volts or higher.


Dec 01, 2009 | Acer V193w LCD Monitor

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Envsion 5200 blinking led


you may want to try what I did on monday when my view sonic started doing the same thing

And this is what worked for me. 1. I unplugged the monitor over night and plugged back in, in the morning and tryed to power the monitor and computer on but that didn't seem to do any thing, the monitor did not respond just continued to blink. 2. Then added a clip on magnet from my printer cable to the power supply cord to the monitor I then plugged back in the monitor and this time when I pushed the power button the button worked and the small square yellow box on the monitor came on and then I turned on the CPU unit . Now I am happy to report to you that I am now able to use the monitor again. I hope this has helped.

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Dell E173FP Screen blinking red, green, blue, white


The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

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1 Answer

Power light blinking yellow after sitting a while


Unplug computer, disconnect all usb/monitor/internet, open it, hold power button until green led on the inside on the motherboard turns off, pop out the BIOS battery (looks like a big watch battery and use a small flathead screwdriver to depress the spring lock on one side), plug in computer, hold power button for about 20 seconds (must reset BIOS or something), let up on power button, wait 10 seconds and push power button. The computer should turn on. Wait for it until activity seems stable (1 min. or so). Push powerbutton to shut off.

If this has worked you have proven that it's not the power supply (it turned on).

Go buy a new battery (CR2032 3 volt). Unplug computer, open it, hold power button until green led on the inside on the motherboard turns off, pop in new battery, plug in (you should notice the power button blinking amber again), hold power button until it stops blinking (about 20 sec....again must reset BIOS or something), wait 10 sec., push power button. the computer should turn on. Wait for it until activity seems stabe (1 min. or so). Push powerbutton to shut off.

Now, close case, plug in all usb/monitor/internet/etc. Power up computer. You'll get an internal floppy drive error. Push F2 (maybe F1) to get into the BIOS settings and go to "drives" and turn off the internal floppy. Save and exit. The computer should boot properly now.

This seems to be a big problem with the e510, my theory is that this one small battery is the root of most of these failures (as these computers usually fail after 1-2 years), not the power supply or the motherboard (heck, when you replace the motherboard it comes with a new one of these batteries...a several hundred dollar piece of hardware, with a $5 battery that will actually fix it).

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The problem may be a loose connection. When I turn on my monitor, the green light blinks and a flickering white screen appears for a brief second every time. There must be a loose connection on the power board which may be causing this. The easiest solution is to tap at the back of the monitor. This will reconnect the loose end and the monitor will work fine until it gets disconnected again. I will open my monitor soon to find the real problem. But it will take some time to find it.

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LCD blank screen, blink white


blank_page Use a reset sequence on the monitor-
1. turn off monitor
2. unplug power
3. plug power back in, holding down the last button on the left, then push the power button to turn back on and off three times, holding on the third try until it comes on- hold for ten seconds and release; the monitor should work again

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Mag Innovision 765S power supply light blinks and monitor power led blinks and no picture


I'd suggest looking at the mainboard. I assume the blink is rapid? A slow on, followed by a short off and back on again is normal. The fast blink thing is a mainboard issue, and the absence of blink (or light) is power "supply dead."

There is a problem transistor on the mainboard that seems to be the problem most of the time. Replacing it takes about 5 minutes if you have the tools and the talent, and the parts cost under 3 bucks at Radio Shack. Just pick up a pack of NPN switching transistors and de-solder / solder your way to a working monitor. There's usually only one on the board, so it's easy to spot.

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