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Monitor goes blank after being on for a little bit.

Sometimes there is no problem for several days, sometimes you only get an hour or two before the monitor goes blank. You can turn the monitor off and on again but it will go blank again within seconds. What is causing this? Should I fix or replace?

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A COMPONET INSIDE THE MONITOR IS SHORTING OUT TO THE FRAME OF THE MONITOR, OR YOU MAY HAVE A CAPICITOR GOING BAD INSIDE THE MONITOR, SO TO THE TV SHOP TO GET REPAIRED OR BUY A NEW ONE.

CANDYMANGANDY

Posted on Jan 29, 2009

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6ya6ya
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Posted on Jan 02, 2017

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PICTURE GOES BLACK ON SANYO TV, HAVE SOUND AND BLUE LIGHT IS ON AFTER MANY TURN OFF AND ON COMES ON FOR A BIT


Hi,
I have come across bad inverter boards responsible for this fault several times. Please check all the connectors of the inverter board before replacing it.

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Monitor sometimes does not work unless I press the on/off button and hold it down


fs31, Hi, I'm 12fixlouie. Will need more info about your Lucky Goldstar unit before I can give you advice on your "sometimes" black or blank n black screen monitor. What is model nuumber and when was it made? Is pc fully functional with spare monitor connnected? Did this problem just happen? Is unit covered by LG warranty? Did LG display work perfectly the day before? Do you know how to do the flashlight test when screen goes to black? Read my fixya profile for a little bit to understand the top two causes of ccfl backlit lcd monitor failure modes. Then do additional post on fixya and let us know what you are willing to do about your display. Your monitor's smps/ccfl inverter supply may need refurbishment (rebuild) because of common known problem affecting ALL brands of lcd monitors!!! Do your research first!!! Reading is free. Then come back here and rate this response if you learned something and feel this was helpful. 12fixlouie

Mar 22, 2010 | LG Computers & Internet

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My monitor went black, and the power switch just flashes.


is your CPU working properly? if that the case, your monitor is in need of a service.
reasons for why a monitor goes blank?
Reason 1: Wetness
The number one reason why computer monitors go blank is - wetness. Believe it or not, when your computer monitor is exposed to humid air, sometimes water can condense and accumulate in the monitor. This causes the monitor to malfunction and go blank. I've had this happen to my desktop PC at least three times before. What you need to do is to leave the monitor alone for some time and allow the water to evaporate. That usually solves the problem.

Reason 2: Faulty Graphics Card
The next reason why your computer monitor goes black is due to a faulty graphics card. The best way to detect this kind of problem is to connect up a new monitor to your PC, then check if you have a blank screen. If you continue to have a blank screen, then it's likely your video card is faulty.

Reason 3: Faulty RAM
This one is less obvious and less common, but it can happen. You might sometimes get bad RAM modules which prevent your PC from booting up even to the basic BIOS startup screen. To detect this kind of problem is more troublesome, you might need to remove those RAM modules and insert them into another computer.

Reason 4: Loose Connections
Another reason why your monitor goes blank is due to loose connections. The connection from the monitor to the mains is usually a culprit, as is the connection between the monitor and the video card. Check those connections before you declare your computer monitor as faulty.

Reason 5: A Short Circuit In The Motherboard
And the final reason why your computer monitor goes blank? It's possibly because of a short circuit in the motherboard. This is the most undesirable outcome of course, as you might have to replace your entire motherboard. However, it's possible that this can happen - so keep your fingers crossed and hope it doesn't happen to you.
try this.
please rate my solution.
have a nice day.

Jul 05, 2009 | Dell E152FP 15" Flat Panel LCD Monitor

1 Answer

Monitor sometimes goes blank


it looks like the inverter board is going out on the monitor.. if u seach on ebay or somewhere they sell inverter board order one u can probably change it yourself.. i 'm 95% thats the problem

May 07, 2009 | Acer Computers & Internet

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Screen goes blank


try reinstalling xp.(im asumming thats what ur running).

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Auto adjustment.


Try this one:
the is not the same problem. But the cause is exactly the same

http://www.fixya.com/support/t117851-menu_screen_appears_all_time_flashes

Regards

Jan 28, 2008 | Neovo F-417 17" LCD Monitor

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