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3 Black vertical lines on my Gateway Plasma TV

I have a Gateway Plasma TV and it has three black vertical lines on the screen

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I just fixed my gateway 42"plasma with the exact problem.  go to this link, and read entirely and follow!
http://www.avforums.com/forums/plasma-televisions/462873-black-line-fault-hyundai-hpt4240-fixed.html

enjoy!
stephen

Posted on Apr 28, 2009

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go here, it will work.  follow closely and read entirely!  it worked for me on a gateway plasma!
http://www.avforums.com/forums/plasma-televisions/462873-black-line-fault-hyundai-hpt4240-fixed.html

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thanks,
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