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7470 boots from USB - not from drive


jfrank58

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Trying to upgrade to Catalina 10.15.6 on my Dell Latitude 7470. I can boot fine from the USB, but not from internal drive with same EFI and kexts.

When trying to boot from hard drive it goes to Apple logo but not progress bar. I'm stumped. Can anyone help please? I have attached my EFI folder. Thank you in advance for any assistance

EFI.zipFetching info...

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The UEFI drivers in your file are a mess, the dates are all different. You shouldn't have AptioMemoryFix.efi and OsxAptioFix3Drv.efi.

One or the other, not both.

Replace the EFI files with this, just keep Kext/ACPI and Config.plist 

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