Questions about the Unified Extensible Firmware Interface (UEFI), the software interface aiming to replace typical BIOSes. This tag may also be used for questions related to UEFI partitions and systems.

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2
votes
1answer
25 views

What is the proper way to use ISOLINUX with UEFI?

I've been trying to add UEFI support in the 64-bit version of Minimal Linux Live for quite some time, unfortunately without much success. As you can see from the below image, I get critical error each ...
0
votes
1answer
18 views

How to change grub boot menu on a (formerly) live linux system?

So I converted a usb live linux install (Tails) from USB to virtualbox using VBoxManage convertfromraw. For it to boot in virtualbox, I need to remove one thing from the boot commandline ...
0
votes
1answer
13 views

Alert! Root Drive Does Not Exist After Elementary Installation

recently I installed Elementary OS with no problems. When I started up the new OS I received this error message Alert! /dev/disk/by-uuid/....../ does not exist. Dropping to the shell Afterwards I ...
1
vote
1answer
32 views

Android-x86_64 installer does not boot in QEMU/KVM - EFI Shell appears instead

I downloaded Android x86_64 5.1-rc1 as bootable img installation image. I want to install it to a virtual machine running on Ubuntu 16.04 64 bit with UEFI using QEMU/KVM and virt-manager as graphical ...
0
votes
1answer
38 views

How to make bootable pendrive for Kali Linux in UEFI system?

I tried making a bootable pendrive for Kali Linux in order to dual boot Kali Linux with Windows using Rufus on my laptop. I am using GPT drive and UEFI system. But Rufus gives the error that the ISO ...
0
votes
1answer
28 views

Warning : configuration file not found

I just made a bootable usb drive with kali linux 2016.1 (rolling) with dd command. After booting in the usb drive it gives me this thing : Warning : configuration file not found. I can select ...
0
votes
1answer
34 views

Is grub.conf read by GRUBX64.EFI from SYSTEMD-BOOTX64.EFI?

Does the following mean that SYSTEMD-BOOTX64.EFI executes first, then GRUBX64.EFI, which then reads grub.conf? #> efibootmgr -v BootCurrent: 0001 Timeout: 1 seconds BootOrder: ...
1
vote
1answer
137 views

Installing Fedora 23 alongside Windows 10; EFI partition “not valid”

I have successfully installed Windows 10 on a 3-disk (hardware) RAID 0 setup, in a 150GB NTFS partition. As part of that, and because I booted my installation media in UEFI mode, the Windows installer ...
0
votes
1answer
43 views

Stuck installing Arch Linux. How should I proceed?

I am following a tutorial here. I'm on step 2.2. I'm supposed to find out if I have a uefi motherboard by sending the command efivar -l. But I don't get the expected output. Instead I get efivar: ...
2
votes
0answers
32 views

How to escape a BIOS failure?

While attempting to install deepin linux onto my new netbook, I worked myself into a corner that I do not know how to escape. 1) I loaded the deepin installer onto my USB stick as per instructions, ...
0
votes
0answers
40 views

Trouble Boot repair

I had a problem with my grub, it didn't recognize my OS, I have installed windows, ubuntu and kali. I tried to use Boot repair in a ubuntu live cd as sudo chroot "/mnt/boot-sav/sda10" apt-get purge ...
0
votes
0answers
19 views

Accidental deletion Windows 10 partition and now cannot boot Arch Linux

I inadvertently deleted my Windows 10 partitions on /dev/sda, and as /dev/sda2 was my UEFI partition I can no longer boot Arch Linux (which I was booting using systemd-boot). I cannot figure out how ...
1
vote
0answers
59 views

Fedora 23 no longer bootable (GRUB: Minimal BASH-like line editing is supported.)

I have a dual boot on my laptop with Windows 10 and Fedora 23. Both were installed in EFI mode. It's been working fine, but I had to set the boot order to prioritize BOOTX64.EFI for it to start ...
0
votes
1answer
29 views

Can the EFI System Partition be a logical partition on MBR disks?

I'm finding a lot of information concerning the ESP inside GPT disks, but none about them being inside an MBR based disk as a logical partition. The thing is, I don't want to convert my disk to GPT ...
3
votes
1answer
34 views

Is it possible to use Grub to run an EFI binary?

On an efi system it it possible to run arbitrary efi binaries. Especially I can use the efi shell (one efi binary) to run grub (another efi binary). Is it also possible to use grub to run for ...
1
vote
0answers
128 views

building a uefi-secure boot debian-USB

I assume that there already is something where exactly my problem was discussed years ago, but after spending too much time searching I try my luck here, I hope you can help me or atleast show me the ...
1
vote
1answer
57 views

Can I install grub2 on a flash drive to boot both BIOS and UEFI

Well, obviously I can, because all of the Linux distros are delivered as hybrid ISOs that can boot both BIOS and UEFI. The question is how? I had thought I could run grub-install twice: grub-install ...
1
vote
4answers
96 views

Dual-boot windows/debian, no boot menu?

I just installed (actually I did so three times today) debian on a separate partition in my Win10 laptop (Asus K46CB), but though the installation went smoothly, no OS selection menu comes up upon ...
0
votes
0answers
16 views

Convert Windows BIOS based instrallation to UEFI from Cent OS live cd

I have a BIOS based Windows Server 2008R2 installation, I need to migrate this to a UEFI based installation. I was able to achieve this from a WIN PE live cd and following this link I am working on ...
6
votes
2answers
69 views

Is there a way to enable secure boot in Linux?

Just like Windows has secure boot that prevents any external OS Loader code from running at boot, does Linux have any similar option for itself? I have looked around, but when I search, the only ...
0
votes
1answer
111 views

How do I get UEFI to automatically boot the Linux Boot Manager (managed by systemd-boot) instead of the OS Boot Manager, of Windows 10?

I would like to set my laptop with UEFI firmware and a Windows 10 / Arch Linux dual boot to use the Linux Boot Manager (managed by systemd-boot) by default on startup, instead of the OS Boot Manager ...
1
vote
2answers
94 views

How do I get GRUB2 to correctly start under UEFI?

I have installed GRUB on my Arch Linux installation on /dev/sdb1. /dev/sdb is my second internal hard drive on which I installed Arch Linux, /dev/sda is my first internal hard drive and has Windows 10 ...
0
votes
0answers
16 views

How to create a UEFI boot menu entry like Ubuntu ISO?

I create a UEFI bootable USB drive, and it works fine. But I have manually creat the UEFI boot entry every time I boot it on a new computer. The Ubuntu ISO image however could create the boot entry ...
0
votes
0answers
78 views

Installing Fedora on a 32 bit EFI device (Dell Venue 10 Pro)

I recently won a Dell Venu 10 Pro in a hackathon and have been trying desperately to install any sort of Linux distribution onto it. Apparently, these tablets have 64 bit processors, but they only ...
0
votes
2answers
61 views

Do I need boot partition on UEFI & Luks?

I'm trying to install Gentoo on LUKS partition (simple layout - single root partition, without underlying LVM). Right now it works, but I doubt if I done it properly. I've got such a partitions: ...
1
vote
0answers
205 views

Grub2 can't detect Windows 10, Dual boot on two harddrive, UEFI/GPT system

I have two ssd which there is Windows 10 on the /dev/sda1 and OpenSuse on /dev/sda3 (/dev/sda2 is for a storage hdd). I have been installed Ubuntu on my /dev/sda3 couple months ago. But because of ...
2
votes
0answers
155 views

Install CentOS on RAID (manually) on UEFI system

I'm struggling with the manual configuration of a RAID1 + RAID10. I'm trying the procedure on a VM (VirtualBox 5.0.14 r105127) on OSX 11.10.3. The strategy I took is: The complete set of commands I ...
1
vote
0answers
55 views

Why is uEFI firmware unable to access a software RAID 1 /boot/efi partition?

BIOS firmware can boot a BIOS formatted /boot partition installed on a software RAID 1 pair no problem. It can even boot from a /boot installed on LVM volume that lives on a software RAID 1 pair. But ...
0
votes
0answers
21 views

Are UEFI firmwares for different devices with same chipset and UEFI manufacturer compatible?

There are a few 2014-2015 devices with Intel Atom Z3745 chipset. Some of them run 32-bit Windows others run Android. The Windows ones have 32-bit UEFI. The Android ones have 64-bit UEFI. Is it ...
0
votes
0answers
92 views

EFI boot entry disappears

I have a problem, the Fedora 23 EFI boot entry keeps disappearing. Set-up is Asus Z170-deluxe motherboard, i7-6700k CPU and 2x16GB DDR4. BIOS is the latest 1602. Disk is NVME Samsung 950 Pro 512GB. ...
0
votes
1answer
55 views

Fedora UEFI grub theme not being properly set

What I do to apply the grub theme is: Add the following to /etc/default/grub: GRUB_THEME="/boot/grub2/themes/system/theme.txt" Then run the following command to regenerate config file: ...
1
vote
0answers
91 views

How to install and boot 32-bit Ubuntu on 64-bit UEFI device with no legacy boot option

Is there any way to install 64-bit UEFI Grub and use it to boot into a 32-bit Ubuntu install? How should the installation process take place? Switching to Legacy BIOS mode is not an option.
0
votes
0answers
154 views

Linux Mint 17.3 doesn't load on Asus K501UX from USB

I tried to boot from Live USB with Linux Mint 17.3 on my Asus K501UX. To create a USB drive I used tool called Rufus. I created GPT partition. I disabled Secure Boot and Fast Boot and enabled CSM ...
0
votes
1answer
165 views

Ubuntu 14.04 software RAID with LVM install won't boot on bare metal

If I setup a VirtualBox guest with two 30 GB virtual hard disks and follow the following steps, the result will be a fully functional, booting operating system: Boot Ubuntu 14.04 Server install CD ...
0
votes
2answers
49 views

Installed on whole hard drive of UEFI enabled PC. Now can't boot

I installed Ubuntu 14.04 on an Asus PC (specs below) direct from a live USB, over the existing Windows install with a custom partition scheme and now the hard drive is no longer recognised. On ...
0
votes
0answers
36 views

Where is GPT bootloader located?

According to GUID specification: First sector of hard drive is reserved (MBR compatibility) and not touched, sector 1-34 contain entries which contain partitions. Sector 35 is the 1st sector of 1st ...
0
votes
0answers
10 views

Computer beeps trying to boot from a portable setup

I installed openSUSE on an external drive, with the intention of taking my workspace with me and use it across different computers. All went fine, except one computer that won't boot. To be more ...
0
votes
1answer
51 views

Fix grub on UEFI system

I have windows 10 installed and am seeking to dual boot with Ubuntu Studio. Alright so I was installing Ubuntu Studio on an Asus F555L type laptop. At the end of the installation it said "grub failed ...
0
votes
0answers
33 views

Install Multiple Versions of Slackware in separate UEFI Tables

I have a Slackware 14.1 distro on /dev/sda13, and I've just installed Slackware current on /dev/sdb2. Unfortunately, I can no longer access my /dev/sda13 Slackware 14.1 version, as the installation of ...
0
votes
0answers
65 views

Debian live USB has no EFI boot driver and cannot be installed on an Acer laptop

I have created two live USBs in two separate pendrives: The first one has an ISO image of Debian. The second one has an ISO image of Fedora. Equal conditions My laptop: Aspire V11 Touch (aka ...
0
votes
1answer
260 views

Create a UEFI bootable USB stick from an ISO image with GParted

I am aware that the issue of creating a UEFI-bootable USBs has been covered far and wide. However, from the first round of research I ended up feeling that the information gained is either ...
2
votes
1answer
40 views

Verify integrity of EFI file before chainloading

Can I, in GRUB, configure it to verify if the EFI file it is going to chainload being signed (using the Secure Boot database) and refuse to boot if not signed? I had to disable secure boot for GRUB to ...
0
votes
0answers
112 views

Fedora LiveUSB/Installer : trying to boot with UEFI yields the message : “Use the”

I'm trying to install Fedora 23, I made a LiveUSB using Rufus (image USB). Problem is that when I try to boot using UEFI I have a black UEFI screen and in the bottom left there is the message : "Use ...
0
votes
0answers
24 views

Fedora custom uefi install

I would like to install Fedora workstation into a multi-boot system. I have Windows and Ubuntu dual booting. In the Fedora installation dialog, I am selecting the existing ubuntu /boot/efi (/dev/sde) ...
2
votes
1answer
160 views

How does grub2 find its configuration file in EFI boot?

There are bazillions of grub2/EFI threads on the net, but I found it difficult to find an answer to the question above. We have been told that in grub2 the configuration file is /boot/grub/grub.cfg. ...
0
votes
1answer
60 views

Does the the Thinkpads still gets bricked when installing linux?

I am thinking about buying a Thinkpad for college work, specifically the Thinkpad t540p. (The touchpad seems bad, but I heard it has amazing performance and amazing build quality). I saw a post ...
1
vote
1answer
341 views

Debian 8 Jessie CD-image-based liveUSB/installer won't boot in UEFI mode with 32-bit UEFI firmware

I want to install Debian 8 in UEFI mode alongside pre-installed Windows 8.1 on my Acer laptop. I created a liveusb on Debian 7 machine by copying Debian 8 ISO directly to the flash drive device ...
1
vote
0answers
304 views

(32bit or 64bit) Linux distro with !32bit! (U)EFI support?

Is there a Linux distribution that supports 32bit-(U)EFI? If so, which one and where do I find a bootable ISO? I'd like to find a Linux distro for my HP Envy X2 which has an Intel Atom CPU and ...
0
votes
0answers
47 views

Boot script issue after formatting computer

I am new to Linux, currently using Linux Mint. I enjoyed it so much that I decided to ditch Windows altogether. So I formatted my entire hard disk and installed Linux Mint. I got a warning during the ...
0
votes
0answers
268 views

Kali Linux is not booting from USB drive

I downloaded Kali Linux 2.0 from the official site(https://www.kali.org/downloads/). I burned the ISO on my USB Drive using this program: (http://www.linuxliveusb.com/). I have also tried using ...