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2.0GHz, 2.3GHz, or 2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz) with 6MB shared L3 cache.

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Vertical Blue Dash lines on MacBook Pro Retina 2013 A1398

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Hello friends, I have vertical dash lines on the screen and stuck on the loading screen. Those lines are present in any process that I’m doing like rest SMC, install windows or Linux. Also I changed the screen but still they are here, Also they are present in external monitor. I don’t know what is this??

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@armin1 those are originating from the GPU. The issue here is that your are having a processor issues. It’ll require either a new logic board or having your board reworked by somebody with the tools and skills to do so.

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What you mean board reworked??!!

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Armin will be eternally grateful.
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