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detudoemcd

Lenovo Ideapad S400 Boot Problem

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detudoemcd

I have problems installing mojave on the lenovo ideapad s400, I do not have the option to disable security boot in the bios and I cannot boot from the Mojave installation pendrive, help me!!!   this the error message "EFI USB Device has been blocked by the current security policies"

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hjed
On 11/1/2019 at 7:00 AM, detudoemcd said:

I have problems installing mojave on the lenovo ideapad s400, I do not have the option to disable security boot in the bios and I cannot boot from the Mojave installation pendrive, help me!!!   this the error message "EFI USB Device has been blocked by the current security policies"

I don't have this notebook but if you can share BIOS screenshots, maybe we can figure it out :)

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detudoemcd

I managed to disable the secure boot and started the installation of mojave but the following error message appeared. Image

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hjed

check your USB installer, upon reaching that screen, there are choices something like,

install mac OS...

Utilities - click this and format your drive accordingly...

 

Format: macOS Extended (Journaled)

Scheme: GUID Partition Map

 

 

 

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