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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.zip

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Unfortunately that didn't work. No matter what I try to boot from that hard drive (internal drive or USB) nothing boots. I just get Apple logo, but progress bar never appears. Almost like a boot up fil is missing. Here is latest EFI folder. Thanks for your patience and help. 

EFI.zip

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