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coloured lines

  1. M

    This morning I woke up to find all these lines on my screen?

    I have a 2015 13" Macbook Pro Retina, I only bought it last month off ebay. This morning I woke up to black and coloured lines running down the middle of the screen, they've now spread a bit further and are also horizontal but are definitely coming from one obvious place, which makes me think...