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I have an lcd television but dark lines have appeared down the screen

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If this looks like shaddowing it is the screen. the inverter lamps that make the screen light up are failing

Posted on Sep 04, 2009

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How can i fix ghost shadow vertical line


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD screen are similar, irrespective of its brand and screen size.

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If the dark streak is static, then is liquid in lcd panel.

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Why do thin dark or green lines appear at bottom of screen about every 10 seconds?


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Line faults to all LCD screen are similar, irrespective of its brand and screen size.

Feb 09, 2016 | Toshiba Televison & Video

1 Answer

I have a LG 42LB5D 42" 1080 LCD television that


hi, usually you can correct this issue with only a few system checks, dark streaks can be caused by damaged pixels on the screen, in which case you need to replace the TV.
  • Inspect where the dark streaks are on the television. If the streaks occur at the same place on the top and bottom of the screen, they are due to the formatting of a movie or television show you are watching. This is normal. Also, if the streaks appear on the left and right of the screen, they are due to the show being filmed in full-screen instead of wide-screen. This also is normal.

  • Change the input setting so you are viewing the contents of a different device. If the dark streaks are gone, you know they are due to the device connected to it. However, if the dark streaks remains no matter what input the TV is connected to, the problem lies with the television.

  • Inspect the cable connection. Oftentimes when connecting a computer to an LCD TV, you can have strange dark streaks across the screen. Use a DVI-to-HDMI cable connection when plugging in your computer, then press the "Menu" button on your TV remote, select "Picture" and chose "Square Pixel." See whether the image adjusts and the dark streak goes away.
  • Contact the manufacturer of your LCD television if the dark streak remains. This streak can be caused by a defect in the television; if the TV is still under warranty, you can have it replaced.
  • Feb 02, 2011 | LG 42LB5D 42 in. LCD Television

    1 Answer

    Dark lines on Sharp Aquos 42" screen.


    if the unit is stll under warrenty it would be best to take it back, it does sound like that it is the lcd that is faulty, or contact Sharp to see if the can repair it for you

    Thanks

    Oct 19, 2009 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

    1 Answer

    Screen shows blue patches on white also red lines on dark colour


    Replace the video board, if you can find one. Letting it cool down will not help any.

    Nov 13, 2008 | Televison & Video

    1 Answer

    Dark lines appearing across my lcd tv


    This is symptom of LCD Faulty. Please note down cost of LCD is much high. In my suggestion
    you change or purchase new TV

    Nov 12, 2008 | Televison & Video

    1 Answer

    Dark horizontal lines on Sony KLV-26HG2 LCD TV screen


    Hello,

    If you can fix it by yourself, there is a problem in horizontal circuit panel, you need to check that in series because the part appear visbly good but when tested by the exact tester you register busted. that should be replaced immediately. Check also the vertical panel parts of the circuit. but if hard you do the job you may consult the service center of your TV or the vendor of the TV.

    ps. please don't rate me if you are not convince of my suggestion.

    best regards, melnavz

    Apr 08, 2008 | Sony WEGA KLV-26HG2 26 in. HD-Ready LCD...

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