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macbook pro vertical GRAY lines on login page

Hi there,

I have a mac book pro model A1502, EMC 2835.

While on the login screen there is a vertical area on the screen? Once logged in there is no line, ONLY whilst on the login screen, can anyone help?!


User uploaded file

iMac Pro, A1502

Posted on Dec 29, 2017 2:46 AM

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macbook pro vertical GRAY lines on login page

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