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On screen thin yellow and blue vertical lines.

Whilst upgrading security software, my other half's notebook screen developed a thin vertical blue line and then a few weeks later another thin vertical yellow line. Is this a possible software fault on the part of the security software provider? I wouldn't have believed it if I hadn't seen the second yellow line appear from nowhere!!

Posted by Barbara Chinn on

  • riverdaught Jan 29, 2009

    A thin blue line suddenly showed up on my monitor. It's always there on the left side of the screen.

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  • NEC Master
  • 12,061 Answers

Unfortunately the LCD is going faulty.. one or more of the "Driver" transistors that operates the LCD elements RGB, have faulted ON.. perhaps this link may help fix it. Otherwise :( http://www.wikihow.com/Fix-a-Stuck-Pixel-on-an-LCD-Monitor

Posted on Aug 01, 2007

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