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I have started to get a rectangular lime green section of my screen during start up. It is full height and approx one fifth of the screen width and looks like a display interference problem. No apparent problems however once the start up is complete (it disappears). I have a 2019 Macbook Pro running MacOS Big Sur v11.5. Should I do anything?
MacBook Pro 13″, macOS 10.15
Hi,
Try to check your MacBook Pro LCD and graphic Processor with Apple Diagnostics if it reports something related display error(VFD001 to VFD007).
Use Apple Diagnostics to test your Mac - Apple Support
If it doesn't help, contact Apple Support or make Genius Bar reservation if your local retail Apple Store is open or find opened local Apple Authorized Service Provider to be examined your MacBook Pro there.
Genius Bar Reservation and Apple Support Options - Apple
Apple - Find Locations - Location Selector
Hi,
Try to check your MacBook Pro LCD and graphic Processor with Apple Diagnostics if it reports something related display error(VFD001 to VFD007).
Use Apple Diagnostics to test your Mac - Apple Support
If it doesn't help, contact Apple Support or make Genius Bar reservation if your local retail Apple Store is open or find opened local Apple Authorized Service Provider to be examined your MacBook Pro there.
Genius Bar Reservation and Apple Support Options - Apple
Apple - Find Locations - Location Selector
Lime green section of screen during start up.
