Macbook Horizontal Lines Across Screen

Macbook Horizontal Lines Across Screen. I sometimes get these horizontal lines all over the computer, it looks like it's been smashed on the ground. First they have changed logic board and top It does not affect the performance but horizontal lines on the screen which appear once in a while usually scrolling pictures is quite annoying when.

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It was acting completely normal, then it created horizontal lines across the screen. Two crossed lines that form an 'X'. For last two months two horizontal lines are appearing across the screen width almost in the middle of the screen.

I want to know why these lines are appearing when the notebook has been handled with care.

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Hi There, Sounds like your Horizontal Output Circuit is leaking current causing diagonal lines across the screen. Once i got it back and after use. If your MacBook Pro has blacked-out, grayed-out, flickering or faded horizontal lines going across its screen, the problem most likely is due to a poor.