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Monitor has horizontal lines on half the screen but only sometimes

At times, my monitor has started to show white flickering horizontal lines on bottom half of the screen but at some point they disappear and it's back to normal. Can be at start-up or just during normal operation. This only started about 1 month ago, Dec2012. It's a 19" Samsung monitor bought in early 2008 with my Acer Aspire M5620 - (AM5620-E5301A) (Q6600 - Intel Core2 Quad Processor 2.4GHz)--3GB Ram.

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  • Samsung Master
  • 75,117 Answers

I would just replace it, the cost to troubleshoot and repair will be more than new.

Posted on Jul 13, 2017

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: SONY KV-27FV310: UPPER HALF OF SCREEN IS BLACK

You have a vert sweep problem and unless you know how to trouble shoot this cuircit bring it to a pro. I found out mostly in these sets that the vert output IC is bad.. Also sometimes the b+ filter cap off the fly is leaky and made the IC to fail. Another thing is Im surprised to hear you got a pic with the vert failure and a bright line in the pic!! This could be a big problem when the sets fixed so dont run it too long like this. It could burn a line all the way across the screen and you will see a dark faint line in your pic because of this. BE CAREFULL!!

Posted on Mar 25, 2006

noone
  • 105 Answers

SOURCE: screen goes black with bright white horizontal line

This problem of loss of vertical deflection with the line offset from center suggests a cold solder connection in the vertical sweep circuit or in the power supply to the vertical sweep circuit. Most service shops should be able to fix.

Posted on Sep 17, 2006

MicrowaveSvc
  • 9047 Answers

SOURCE: monitor

I would check the cable and connector pins first. Then I would suspect there's a problem with the video signal board inside the monitor. It could be the LCD panel controls, too. That would make the unit beyond economical repair unless you got a used one.

Posted on Jan 21, 2007

  • 8 Answers

SOURCE: LCD monitor problem

What you described sounds like a loose LCD cable inside. Does it flicker or have video distortion when it's moved?

Posted on Jun 28, 2007

alvinbga
  • 130 Answers

SOURCE: samsung syncmaster 204b

Yes. There is no vertical deflection. The circuit that controls vertical deflection is bad. This is an easy fix for a TV tech. Take it to the TV repair shop.

Posted on Jun 20, 2008

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