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[Solved] E5440: stuck on "apfs_module_start: 1689"


travis_de
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Hi everyone.

I'm in the process of installing, but there's a problem as the title says.
My Laptop:
DELL LATITUDE E5440
Configuration:

- CPU Intel Core I5-4200u 2.3GHz

- Intel HD Graphics 4400
- SSD 128GB
- Display 14.0 inch (1366 x 768)

 

1901581648_AE20C0FC-C913-480E-B92D-115835C94B81.png.thumb.jpg.2ab2d7e48be1d1caa4ddb388c519f12b.jpg
 

My EFI:

https://drive.google.com/drive/folders/1KZKwzbVc71CvPNLf6pVl-Le1DrBeuD70?usp=sharing
 

Hope you guys can help me:(

Thank you.

 

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That EFI folder does not appear to use/inject SSDT-PNLF table which, by far and large, is necessary to obtain brightness control. After you've added that table and rebooted/reset NVRAM, check if your Display PrefPane presents the brightness control bar or not. It should. Once you've asserted you have brightness control, your keyboard brightness keys may not be operational but other keys/key combinations probably will. You mar refer to this guide to remap brightness control keys.

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