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Dell Latitude 7280: working OC EFI for Big Sur


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Thanks   @Lorys89 but it didn't work for me. I used your EFI with an update from BIGsur. The startup is ok but the system is slow, the usb ports, the wifi does not work


My config is not the same , I have a Dell E7280 but i5-6300 (skylake) with a HD 520, 16go ram.


Is it possible to build a configuration with this base?



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Test this EFI in USB , ioreg if start https://drive.google.com/drive/folders/1SiJYFHRNNnDoqnbHt2O4dfWwaMi5AdwM?usp=sharing
Don't expect miracles, it takes time and also your Dell's ACPIs to do a good job.

EFI Debug 0.7.6.zip Efi debug put in usb run the verbose when the Opencore gui appears start normally inside the EFI debug in USB you will find post files here

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