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I just discovered that there is a large area that is much brighter than the rest of the screen. The area is still functional and still displays images but it sticks out like a sore thumb
Looks like you has something spill in your bag and managed to find its way in through the hinge area and then migrate into the defuser sheets area damaging them (there appears to be some white stain on the clutch cover). Here’s a breakdown of the display assembly so you can see MacBook Pro Retina Display Teardown To repair this really requires a new display assembly as these displays are not easy to take apart (even I don’t do it any more). Here’s the needed part 13” MacBook Pro Display Assembly, Apple P/N 661-02360 and here’s the guide to put it in MacBook Pro 13" Retina Display Early 2015 Display Assembly Replacement You likely will need to clean up any spillage on the logic board as well as you really don’t want it to fester! Take the logic board fully out and inspect it throughly! Use a soft toothbrush and 85% or better isopropyl alcohol. MacBook Pro 13" Retina Display Early 2015 Logic Board Replacement
