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LG F700P monitor black out on top half, horizontal white line

Monitor keeps blacking out on top half, has a white horizontal line running across the centre.

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  • repairdude22 May 11, 2010

    Do you have a laptop or a desktop. also try a nother monitor to see if same thing happens

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  • 233 Answers

Sounds like your monitor or graphics card may be going bad.

Posted on Dec 27, 2008

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My monitor has a thin black line across it. can it be fixed?


Try to find online stuck pixel fixers and if that doesn't work then your screen is probably shot.

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Try plugging in an external monitor. Then reboot. That will answer your first question - "Is my monitor fried?"

Oh wait, the Acer Z5600 is an all-in-one. Does it have an external VGA port? Should have. Acer support is here: http://support.acer.com/product/default.aspx?modelId=1243
User guide here:
http://support.acer.com/acerpanam/Manuals/acer/2009/UserGuides/AS_G_En_V09A1.pdf

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HI my viewsonic monitor is hving problem when i switch on my system it shows me a horizontal line on the screen, except that line i cant see any thing and eveything else is black on the screen..


The entire image is squeezed in that thin line because the vertical deflection unit has failed - the monitor will have to be opened, the vertical circuit identified and replaced - all this must be done by a repairman so take it as fast as you can to one. If you keep it functioning this way for long the screen will be burned.

Apr 24, 2011 | PC Desktops

1 Answer

Horizontal line appearing on desktop


The fault looks like white lines horizontally along the screen. These are the retrace lines that become visible due to absence of proper screen/grid voltage. You will need to open the monitor only if you are familiar with power electronics, a bit of experince is important as the stages are delicate and contains high voltage. If not take help, check for faulty capacitor or low value of resistors in the screen/grid sections of the crt. Couple across parallel to the suspected capacitor to confirm and change. Use a meter to see the voltage across faulty resistors. In some cases reducing the screen potentiometer ( onthe Line output transformer)can solve the faulty. Hope you try. Good day

Aug 03, 2010 | PC Desktops

1 Answer

The moniter looks like the horizontal hold has gone out the bottom half of the screen is black only the top half shows or there is just a bright horizontal line in the middle of the screen is it cheaper...


It is good to buy a new one because if you get it repaired even if you are not satisfied with the result what then? So my advice is to buy a new one and you will have a satisfaction of having a new one.
Thanks for asking a advice from me

Please rate me if this solution works for you

Thanks......Have a great time.


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1 Answer

Lines on screen


This happened to me once too. It is something with the monitor, which needs to be cleaned inside, that is all. Just take it to a mechanical store and they will fix it

Aug 09, 2009 | Gateway 500 CS PC Desktop

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HP Pavillion A1130N


Carefully give your monitor a quick slap on the top or side, NOT like you would hit an assailent, but more like you would hit your brother if you were kidding around with him. If you get a positive outcome from the slap, you have located your problem.
I'm assuming a CRT type of monitor. Probably the monitor has either a bad connection inside it or is simply dying from old age. Vertical Deflection grids supply voltage so that screen stays full top to bottom. If the output of the VDG is abnormal or missing, you will experience the horizontal line across the screen.. Unlikely to be the video card on the computer, generally speaking intermintency is not a common problem with video adapters, not to say that it couldn't happen,

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Hi,
it should be problem with monitor horizontal section .u need to call LG customer care near by u
it is component level Repairing

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1 Answer

Heavy white lines accross the screen


change the ram and viedo card agian

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