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[SOLVED] Latitude 3400: Stuck with an error trying to install Monterey


davidfrei7as
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macOS starts loading, then the screen goes dark. But when you bring a light close to the screen, you can see that the system has loaded normally. After a few minutes the backlight returns to normal.

 

Edit:

I managed to solve the problem using bootarg "-igfxblr". Attached is my final EFI.

Thanks for the help.

EFI.zip

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