Screen persistence can be a hard problem to isolate. In most cases the T-CON board within the display is failing or the logic board has gotten corrosion damage at the display connector area on the logic board.
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[https://www.thebookyard.com/product.php?products_id=10091|Retina MacBook Pro 15" Complete Display, Apple P/N 661-6529]
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[https://www.thebookyard.com/product.php?products_id=10091|Retina MacBook Pro 15" Complete Display, Apple P/N 661-6529] and here’s the guide [https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Retina+Display+Early+2013+Display+Assembly+Replacement/17045]
As reference here’s a used display which has a bad T-CON with the ghosting issue as its common! [https://www.thebookyard.com/product.php?products_id=17381|Retina MacBook Pro 15" Complete Display - Ghosting]
Screen persistence can be a hard problem to isolate. In most cases the T-CON board within the display is failing or the logic board has gotten corrosion damage at the display connector area on the logic board.
[https://www.thebookyard.com/product.php?products_id=10091|Retina MacBook Pro 15" Complete Display, Apple P/N 661-6529]
As reference here’s a used display which has a bad T-CON with the ghosting issue as its common! [https://www.thebookyard.com/product.php?products_id=17381|Retina MacBook Pro 15" Complete Display - Ghosting]