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There are small green/red and sometimes blue pixels scattered over the center of my screen (mostly green). How do I fix this? Is it a problem with the screen, graphics card, etc.?
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This appears to be a noise issue within the display. I’m assuming an external display doesn’t have any issues with the signal.
Did the system get wet at some point? Or suffer trauma like a bang or drop which damaged the hinge area of the display.
You likely need a new display assembly MacBook Pro 13" (A2251, 2020) Display Assembly and here’s the guide Sostituzione schermo MacBook Pro 13" 2020 4 porte Thunderbolt
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Not the best picture but it could be the coating on the display MacBook have a film on them i believe it's for anti reflection, anyway that coating can rub off, check if those dots are still on when the display is off if they are then it's that most likely.
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IF the coating is indeed a bit 'hazy' then he is a guide I made on how to freshen it up MacBook Pro Retina Display Anti-Glare Coating Clean Up Technique
@alistairmoran - If you look carefully you’ll see these are discrete image blocks not a coating issue. If you remember the old days of an analog TV if you ran a vacuum near by the screen would react as the vacuum motor were often electrically noisy! Creating a similar effect.
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