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.

learn more… | top users | synonyms

0
votes
0answers
15 views

Cinnamon 17.3 Grub Failure on Re-Installation

How can I force Mint 17.3 Cinnamon to ignore a grub error to complete the installation? Or how can I fix the grub lock? I am attempting to reinstall Mint Cinnamon 17.3 on a Microsoft Surface 2 Pro ...
1
vote
0answers
26 views

Create a UEFI bootable persistent USB Livesystem

After a copple of tries with Ubuntu that failed to be persistent, and the hint to create a fresh question form the community to find I easier. I am try a new attemp. My Goal: A USB stick live ...
-1
votes
0answers
15 views

How to boot tablet from usb [migrated]

I need to boot my tablet from usb stick where my windows 10 install files are stored. There are no boot settings, I can access only UEFI shell see: That usb is blk0 and blk1 (when i unplug they ...
0
votes
1answer
8 views

Booting FreeBSD using grub2 on uefi machine

I just installed FreeBSD 10.3 on an HP 450-a114. The install went smoothly with no issues. The machine has Windows 10, Linux Mint, and an LFS distro. In the past (on the older BIOS-only machines), all ...
0
votes
0answers
24 views

Custom centos6.7 iso does not boot in uefi

I have created a custom CentOS 6.7 iso and in BIOS it boots and installs my application successfully. When I configured my VMware to boot in UEFI I get this error: -EFI Virtusl disk (0.0)... ...
1
vote
1answer
34 views

UEFI firmware resetting bootorder

I am trying to boot Fedora 23 that I have just installed on a laptop, replacing Windows. I just can't boot it. I kept the UEFI boot partition but replaced all the other partitions with Linux ones. The ...
2
votes
1answer
31 views

how to create a bootable flash that can boot as both BIOS and UEFI?

I'm creating a bootable recovery flash and I was wondering how to create it so it can boot on both UEFI and BIOS systems? I'm experimenting with GRUB but I'm open to any other bootloader. ...
1
vote
3answers
27 views

Dual boot installation has no effect (no GRUB), Boot-Repair doesn't help

With a fresh Windows 10 machine (Lenovo H50-55) I did a dual-boot install with Fedora 23. The installation seemed to go fine, but when I rebooted it went straight to Windows as if there was no GRUB. ...
0
votes
0answers
15 views

resize partition to get some space from EFI partition

I realized that I gave lot more space than required for EFI partition. Is it possible to get some space( 9G ) out of EFI partition into /dev/sda3? This is my current partition: [root@archpc ~]# ...
2
votes
1answer
40 views

Arch Linux on UEFI won't boot

I've followed the Beginners Guide to installing Arch Linux on my laptop. When I boot, I get the EFI boot menu, but when I select Arch Linux I get this error: Kernal panic - not syncing: VFS: Unable ...
1
vote
0answers
54 views

BusyBox on persistent USB Livesystem

I fiddled a bit with creating a Live USB stick for creating a LFS system on my new computer. To make this easier I wanted to store some persistent data on it as well (settings, GCC, make and such ...
3
votes
1answer
52 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
30 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 (live-media=...
1
vote
1answer
22 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 ...
2
votes
1answer
83 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
86 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
34 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
55 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: 0003,0001,000B,0005,...
1
vote
1answer
281 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
58 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
35 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
49 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
20 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
90 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
35 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
45 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
184 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
89 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
105 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
17 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
79 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
140 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
155 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
19 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
95 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
72 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
305 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
211 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
60 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
22 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
127 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
69 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: grub2-...
1
vote
0answers
107 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
177 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
215 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
56 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
39 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
12 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
58 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
41 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 ...