Questions tagged [efi]
Extensible Firmware Interface is a specification that defines a software interface between an operating system and platform firmware
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Make a bootable Mac USB (NOT AN INSTALLER) on a Late 2020 M1 Mac
I am wondering if you can make an USB bootable without using a Bootable MacOS Monterey, Ventura, etc. I am asking you guys, if I have to add some special EFI partition with files in the USB or if I ...
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How to fix script which requires EFI System Partition (ESP) to be disk0s1 in macOS?
I see a post which is 12 years old: How to fix broken EFI partition?
System: Macbook Pro 2019 with Intel & T2, upgraded to Sonoma.
Objective: Dual boot with T2Linux Fedora using https://t2linux....
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How to completely remove MacOS (Ventura) from Macbook Pro 2019 with T2, and install Linux? [closed]
System: Macbook Pro 2019, Intel, T2, 16 GB RAM, No USB port (Using VIVA USB hub), Ventura 13.6.5
Issues: (1) Hash Volume Mismatch (2) Not re-installing MacOS (3) Bootable USB Drive is NOT showing up
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Change EFI label for external volume
I am booting a retrogaming system (Recalbox, linux-based) on my Macbook Pro 2009 (Intel, El Capitan) from an SD card (FAT format).
The SD card is currently displayed as "EFI boot" upon boot ...
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Mac OS X EFI and installing rEFInd on SD card with Linux OS
I have a MacBook Pro (2013) running Sierra on the internal SSD.
I’ve installed Debian12 onto an SD card. Upon boot (by holding down the Alt key) it doesn’t show an option of EFI Boot.
But having ...
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Is there any efibootmgr command-line equivalent in MacOS to see bootable targets?
I found this text in a book (on linux) and i was wondering if there is an equivalent in MacOS.
"To determine if your system uses a BIOS or UEFI, run efibootmgr. If
you get a list of boot targets,...
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Macbook Pro x86_64 Triple-Boot: How can I fix EFI boot and Startup Manager
Summary
I successfully created a triple-boot on my 2015 MBP with macOS (Big Sur), Ubuntu 22.0.1, and Windows 10. I can boot into any of the 3 successfully, however, the Startup Manager does not show ...
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Restore partitions table
Just tried to install Windows on an external SSD, but mistakenly deleted partitions on a Mac SSD from the Windows installer. I had 2 partitions:
Macintosh HD (APFS)
MacData (ExFat, ~108 GB)
So I ...
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Are there keyboardless options to enter macOS Recovery Mode? (possible broken by bad Windows EFI purge)
I acquired a 2009 iMac that had a Windows partition which was apparently erased during formatting to be sold. The computer now tries to boot, via EFI, the missing Windows partition as default. I can ...
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Can a Mac "boot" from the internet if the recovery partition is absent/corrupted?
This is something that has never been clear to me, and I can't find a clear and definite answer by searching the web (rather contradictory information).
Can a Mac "boot" from the internet (...
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M1 MacBook Pro EFI Lock system PIN unlock situation on Monterey OS update
My M1 MacBook suddenly rebooted and locked asking for 6 digit system pin. I think it happened during macOS Monterey update on a public WiFi. Apple store didn't help as they couldn't confirm the ...
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No BOOT folder found in EFI partition
Excuse me if this already have answers elsewhere.
My problem is that I cannot find the BOOT folder in EFI partition, the only thing exists is the APPLE folder. This is quite strange as I see in almost ...
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Startup key combinations don't work after disk swap, cannot boot into live installation media
I recently replaced my old iMac's HDD with an SSD. The SSD had a Linux distribution installed in it, but I didn't bother formatting it because I knew it would be formatted during OS installation.
I ...
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Let's try to fix the "Sleep Wake failure in EFI -- Failure code:: 0xffffffff 0x0000001f"
I have had this well-known issue for a way too long time...
Now it got unbearable and I'm hoping to find help here.
The issue
For those unfamiliar with it, here's the general description:
Starting ...
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Can I reset my firmware password manually or using third party tools? [duplicate]
i forgot my firmware password on my macbook air 2013,i was tempting to replace my .efi file, but online articles says its too risks my machine can be corrupted forever. any idea on how i can solve ...
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