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EFI stands for Extensible Firmware Interface, and is an updated version of BIOS. It sits between firmware and the operating system in the software stack.

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Where does the BIOS get the boot options from and how do I remove them?

My question in short: My BIOS gives me boot options to old Linux distros that dosen't exist anymore. How can I remove them? The longer version: I'm running a UEFI multiboot PC with the following ...
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Restoring EFI folder/boot without reinstall

After a recent disaster while attempting to dual boot Ubuntu and Windows 10 (Grub did not completely install and my BIOS constantly tried to boot from the D: drive rather than the C: drive), I used ...
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Recover windows bootloader boot files [duplicate]

I accidentally deleted the windows bootloader files from the EFI partition using Cygwin, now the pc is not booting. I'm hoping I can boot a live linux distro and simply copy the boot files into the ...
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Keyboard layout et al [closed]

I would have two questions, but the answers are hard to find. Can I change the keyboard layout in EFI shell? and Can I access from EFI shell to Secure boot or CSM mode? I specify: can I enable one or ...
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Script before OS starting

I need to run a script before the operating system starts. The script reads a text file (on file-system FAT32), if the result is "A", then launch OS1, elseif the result is "B", then launches OS2 (...
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What is this 32GB partition named “HFS” which windows 7 installed?

I have an existing UEFI/GPT linux install and wanted to dual boot windows 7, which doesn't normally like UEFI/GPT. I had to install Windows 7 SP1 with the bios set to UEFI+CSM (mixed mode, allowing ...
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EFI partition appearing after factory mode

When I reset my Windows 10 to factory mode, a new partition showed up; it's an EFI partition. It's my new laptop and I am concerned about whether that could cause any problem. delete files in the ...
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Stuck in Efi Shell

Okay so I’ve gotten myself into a bit of a predicament. I recently was attempting to download windows onto my Chromebook, and i found a guide that told me to try the Mr. Chromebook download, which i ...
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Original Windows 7 installation disk on EFI computer

I have an original Windows 7 64-bit installation disc, but with my new computer (Cloud Project AIR-X1 based upon Intel Atom Z3735) I can't boot from it. It's because the CD is not EFI-compatible. My ...
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595 views

Create EFI partition before installing Windows 10

I'm currently using a dual boot setup on my laptop, with Windows 10 and Fedora and I'm planning to replace my HDD with an SSD for obvious reasons. I'll make a clean installation of both OS, but I've ...
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recovery and efi system partitions on secondary hard

i have two drives the ssd which have windows 10 on it and another 1tb hdd one that gonna contain only data but because i installed windows on it previously it has two partition recovery and efi system ...
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Mount EFI partition on a removable media in Windows 10

There are these similar questions like mine already: How do I mount the EFI partition on Windows 8.1 so that it is readable and writeable? But, my trouble is that these methods are not working for ...
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Grub doesn't seem to find grub.cfg automatically?

Whenever I start my Linux machine I get greeted by the Minimal Bash like editing... screen and I always have to specify the grub.cfg file manually. I tried the command update-grub2 but the next time I ...
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Stuck at EFI Shell version 2.31 [5.8]

A friend gave me a pc the other day saying that it can't boot. All i got is that the machine is a vulcan laptop model no VNB11602IS. I tried running some live distros using a USB drive but no luck. ...
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Add EFI capability to GRUB2 on hybrid dual boot MBR type eHDD

I am trying to create a universal (BIOS/EFI) bootable USB HDD that can provide me with portable 32-bit & 64-bit ‘Windows To Go’ environments, together with a 64-bit Ubuntu-based distro and 64-bit ...

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