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My LG L194WTX monitor won't immediately turn on, instead the blue light to signal it is on blinks while a blank screen is displayed. I have to fiddle around with the power for some reason for it to get working again, anyway I can fix this??

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Monitor displays breifly then goes to blank screen

The green power light indicates that the monitor is receiving from the computer correctly. I suspect it is going into high voltage shutdown. There is a safety circuit that monitors the high voltage and shuts the monitor down if it sees anything amiss. So the monitor comes on and then shuts off. High voltage problems are generally not worth trying to repair. Another example of a worthless safety feature. High voltage failures are not dangerous, and adding the safety circuit just kills the unit when it may have some life left or worse, sometimes it is the shutdown circuit itself which fails!
Hope this helps.

Posted on Jan 10, 2008

wayez3
  • 20 Answers

SOURCE: NEC 19'' LCD monitor power on but screen blank

If you can try it on another unit , If it still does not work, Then the most likely culprit is a bad power supply. If you know any thing about soldering replace the capacitors they are probably bad but being that these things are being built so cheap.It could also have a bad inverter. not repairable by average dude.If you open it be careful and do not attempt unless you feel comfortable with a solder Iron.Hope this can help you Good Luck. www.IrionsTVshop.com board re builders.

Posted on Feb 29, 2008

  • 31 Answers

SOURCE: When it's turned on, the light on my monitor blinks but the screen doesn't display anything. Why ....

they normally turn off like this when they aren't receiving a video signal from the pc (same as when you turn off the pc). make sure that it is connected properly, and that the video output is activated. try disconnecting from the other monitor while its on and connect the problem monitor...if it still isn't working then there may be a problem with the cable or the monitor itself. Try another VGA or DVI cable. Hope this helps

Posted on Mar 30, 2008

  • 100 Answers

SOURCE: Blank screen and no lights on keyboard and mouse

*check the power cables

*check the power outlet

*check smps is fine

*check power switches are properly connected

*check in bios hdd is enabled

*open the case wheather the connections are properly connected

Posted on Jun 27, 2008

worldvet
  • 859 Answers

SOURCE: Monitor displays breifly then goes to blank screen

There is just no way you will be happy to hear it needs service or replacement under warranty.

Worldvet

Posted on Jul 03, 2008

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I have a acer.x223w when,it powers up the.screem stays black, n i get a blue blinking light on.the bottom


I disagree with ikkenom only due to the symptom of the flashing blue light. This would indicate to me that the monitor is not getting any display signal and is in sleep mode at least the is what happens on my Samsung monitor. Used to be that they use a two color led in the monitor, green when ON and getting display signal and amber or orange when in sleep mode. I would check the computer by trying a different monitor. If you have a second monitor, great, if not, maybe a friend will let you bring your computer over and try the computer with their monitor. Could also be a display adapter setting. Do you get any change when you first turn on your computer? i.e. Do you get the BIOS or manufacturer screen when first turned on? Also if you disconnect the monitor cable from the computer and power cycle the monitor, do you get a No Signal display for a few seconds before the monitor goes black and the blue light starts flashing?

Let me know what happens with the testing above or if you need further instructions to carry out testing.

Thanks, Jim

Feb 21, 2013 | Computers & Internet

1 Answer

Samsung 906vw blank screen


if the power light indicator is just blinking with no display, you must checked the power supply the common cause bulging electrolytic capacitor. just replace with the same value and rating then the problem solved.

Jul 22, 2012 | Samsung Computers & Internet

1 Answer

TV won't turn on. flashes a series of 5 red lights instead of turning green


Usually Sony and LG Blinking Codes are the same. Here is what I have.
  • Unit is dead, No blinks - Problem in the standby power section. Might check fuse,
  • Continuous blink once a second, no pausing - No reply from the jungle IC301 (data bus is busy, shorted to ground, or held high), IK video path is defective.
  • One blink - not used for the self-diagnosis
  • Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. Could be a short in the power supply of any of the circuits.
  • Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit,
  • Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted.
  • Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. In addition, unit could be in IK blanking, try turning up screen slightly.
  • Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately.
  • Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.
  • Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code.
  • Nine blinks - Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times you get flashing Make sure the regulator is -12 or -13 (negitive).
  • Ten blinks - Check Q8014 and Q8013 for shorts, leakage, or bad solder connections on the " D" board. If the transistors are bad, check R8051 and IC8005, also on the "D" board.

Nov 26, 2011 | LG 42LC2D 42 in. LCD HDTV

1 Answer

My monitor does not turn on and the power button light keeps blinking ... <my Gateway monitor light blinks blue slowly but the screen is blank


This is usually a sign that there is no signal going to your monitor, check all your cables and then reboot.

Jun 28, 2010 | Gateway FPD2275W LCD Monitor

3 Answers

My monitor has blanking led blue also when not is connected a graphic card and the monitor does not turn off


if i want turn off the monitor it does not turn off. Connected or not connected is the same while when it was good if there wasn't the signal output the led was orange. Now if there is or there isn't the signal output the blue led blinks

May 10, 2010 | LG Flatron L1715S 17" LCD Monitor

1 Answer

There is no display on the monitor screen. The amber light on the power switch keeps blinking uselessly!


The monitor requires service The monitor is not receiving a signal from the computer

Apr 15, 2009 | Computers & Internet

1 Answer

Blue power button flashing with blank screen


This is most likely the power inverter board in the monitor - this is common in many monitors. If it started taking longer and longer to display an image, and the power light is blinking on-and-off, that's the problem. You can confirm that it's the monitor and not your computer or the cable by plugging in another monitor if you have one to try.

If it's under warranty, send it back, if not, there are inverter boards for many common models of LCD monitors that are replaceable. The board can run anywhere from $50 on up. Depending on how old it is, you may find it better to just replace it with a gently used one from ebay.

Jan 03, 2009 | Dell E173FP 17" LCD Flat Panel Monitor

1 Answer

17 inch flat screen monitor has trouble turning on


Make sure that the PC video output is set at 60 Hz. The LCD often will accept up to 75Hz but will not work correctly.

May 04, 2008 | Sceptre X20G-Naga II 20.1" Flat Panel LCD...

1 Answer

No signals. screen is blank. power green light is blinking.


Its not a malfunction. blinking light is indicator shows that no appropriate input signal detected. If you are using laptop refer your user manual to toggle to external display device. For example in most of the Toshiba Laptops requires to use Fn+F5 in order to use external display device like you have. If issue still persist you may post again by including the details of your laptop/desktop model.

Good Luck, Happy New Year

Nov 09, 2007 | Samsung SyncMaster 171S 17" Flat Panel LCD...

1 Answer

Likom Futura LDF770


There may wrong setting of refresh rate. Most monitors work at 60 to 70 Hz refresh rate. Above that they tunned blank screen or out 0f range message displayed. Also check the output video signal. Please confirm technical specifications from the documentatation of the monitor.

Aug 15, 2007 | Likom Futura LD7 17" CRT Monitor

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