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Questions tagged [uefi]

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.

0
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1answer
24 views

Clonezilla clone linux partition MBR based and restore to UEFI based system

I have a xubuntu partition on my actual laptop with MBR and grub for dual boot windows and Linux. I'm trying to clone the xubuntu partition and restore into a new laptop that is UEFI based. In the ...
1
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0answers
31 views

Is it necessary to encyrpt the EFI parition [closed]

I am used to building systems with LUKS on LVM and encrypting the boot parition containing GRUB2. Since moving to newer machines I am using UEFI. Is it necessary to encrypt the EFI partition in the ...
4
votes
0answers
24 views

uefi bootloaders for distributions

I have stared reading about uefi recently and got to know that SYSLINUX and GRUB2 have their own uefi bootloader. i have few confusions specially in terms of pxe boot. 1) Are distributions use their ...
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votes
1answer
62 views

Debian 9 and UEFI

I have installed Debian Stretch (9.6) on UEFI-based platform Everything went fine, but I cannot... boot to the system. After the GRUB2 starts the image all I get is: Loading Linux 4.9.0-8-amd64 ...
1
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1answer
71 views

GRUB does not load in Windows10+Linux with UEFI

I have a new computer that comes with UEFI but I'm unable to use Windows 10 and Linux in dual boot, after installation of Linux+GRUB and reboot it loads Windows without showing GRUB, notice that first ...
1
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0answers
64 views

Can't boot on Win10 with dual-boot Fedora 29 + Win10 (both encrypted partitions)

Did install Fedora 29 on a different partition than Win10, usual dual boot configuration that I already used a good number of times. The new parameter is that I use encryption on Windows system (...
1
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1answer
21 views

Multiple Linux Installation - managing shared ESP and Bootable options

I have installed Manjaro alongside BlackArch. BlackArch has its bootloader in /boot which is a separate partition. Manjaro has three partitions, one for root(/), one for /boot, and one for /boot/efi. ...
3
votes
1answer
49 views

Dual boot ignores EFI devices

My pc does not boot anymore in EFI/UEFI mode. I had grub installed and was able to boot on both Windows 10 and Ubuntu Linux (14.04 LTS). I recently tried to install Fedora Workstation 29 '...
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0answers
54 views

boot/grub/efi.img invalid image size

I am attempting to create a custom Ubuntu 16.04 LTS Server installation media and have been following the instruction here https://help.ubuntu.com/community/InstallCDCustomization When I attempt to ...
0
votes
1answer
36 views

grub2 no such device (Win10 / Fedora)

I have Win10 installed on a nvme drive. I have installed Fedora 29 on another ssd with LVM. When grub boots, it shows Fedora & Windows 10 on the list, as it should. But starting with Windows ...
0
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0answers
78 views

Deepin Installer won't start - stuck on black screen with single dash

I have just bought an Asus Zenbook UX433FA, on which I want to install Deepin 15.8 as my only OS. I have followed the installation guide on the Deepin website, therefore creating a bootable USB device ...
3
votes
1answer
42 views

Clone Debian installation

I want to clone an existing Debian installation and restore on a new machine with a hard drive of different size. The partioning is very easy - /dev/sda1 for EFI, /dev/sda2 for Linux and /dev/sda3 ...
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2answers
95 views

No boot option after Linux Mint installation (dual boot)

I recently installed Linux Mint 19 onto my Dell XPS 15 laptop with Windows 10 pre-installed. The initial install of Mint seemed to go fine. I booted off of a live USB and installed Mint onto a ...
-1
votes
1answer
54 views

How can I mount a partition before the OS has booted?

In the instructions for configuring an EFI system partition in Arch Linux, it reads as follows: mount ESP to /boot. This is the preferred method when directly booting a EFISTUB kernel from UEFI. ...
3
votes
0answers
49 views

FreeBSD 11.2: how to resize the boot options menu on a UEFI/GPT/ZFS machine?

Is there a way to resize the boot options menu in Freebsd 11.2 on a UEFI/GPT/ZFS machine (zfs-on-root)? On multiple machines, the installation resulted in the boot options menu being rendered in a ...
0
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0answers
28 views

UEFI Stub booting not working

I am trying to boot Arch Linux via an EFI Stub. I created an EFI partition (formatted as FAT32), a swap partition and a main partition on which I installed the Arch Linux core package group. I then ...
0
votes
1answer
23 views

Swapping hard drives results in being unable to boot

I have a laptop that I installed Arch on, so far so good. After getting things set up just the way I wanted them and using it for a few days, I decided to experiment a little and install SteamOS. ...
0
votes
1answer
136 views

What is causing my EFI partition to become corrupt when booting CentOS after installation?

I am attempting to install the latest CentOS 7.5 x64 on small form factor PC ASUS Eee Box EB1037. It is an Intel Celeron J1900 (Bay Trail) with an onboard NVIDIA GeForce GT 820M. The installtion media ...
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0answers
42 views

KVM/QEMU UEFI guest display resolution

On my KVM/QEMU server I'm able to set the video resolution for the guests running UEFI-bios at boot pressing F2 (see screendump) Is there a way to set this using qemu, virsh or any other tool? I ...
0
votes
2answers
174 views

Can't install Fedora 29 on Thinkpad W550s due to GPT

I have a Lenovo Thinkpad W550s that already has Windows 7 on it. I would like to install Fedora 29 Workstation alongside Windows 7, but I have run into some problems. The hard drive was formatted ...
-1
votes
0answers
32 views

Broken installation

Currently I would like to install Linux Mint 18.3 Cinnamon 64 bit and am stuck here in GUI installer: Whether I click on "Continue" or "Go Back" nothing happens. The window can't be even closed. ...
5
votes
3answers
537 views

GPU passthrough works with UEFI firmware but not Windows iso

I am trying to set up a virtual machine with passthrough graphics. I am able to get the passthrough working for the UEFI shell, but not the official Windows installer. I can get the Windows installer ...
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votes
0answers
59 views

Stuck in Grub CLI after Arch installation

I installed Arch Linux alongside Windows 10. The installation was flawless and also installed Grub and os-prober. I rebooted the system and it greeted me with a grub-rescue screen. I was able to get ...
0
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0answers
35 views

OVMF.fd file not working: Is it my system, the file, or me totally misunderstanding?

I was trying to boot a KVM installation of Clear Linux, and getting the "no bootable device" error. I thought that this might be because of problems with UEFI based on problems I had when trying to ...
0
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1answer
72 views

Accessing UEFI hardware info from Linux

I want to get info about hardware through UEFI. I know, I can get the efi variables and make dump using fwts tool in Linux. Also, I know about "device" command for EFI shell, which will show me all ...
0
votes
1answer
16 views

Two separate disks, no grub displayed but boots straight to Windows

I have a laptop that contains two SSD disks. Legacy mode is completely disabled in BIOS, so I'm most likely using UEFI only. The bigger disk was used to install a fresh copy of Windows. I then used ...
0
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0answers
48 views

Arch on Macbook

I'm trying to install Arch Linux on a MBP early 2011 (Macbook 8,1). Presently I'm using Ubuntu and OS X on dual boot with Refind. I tried to boot Arch live on a USB pendrive using Refind, but as soon ...
0
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2answers
294 views

GRUB disappeared from Boot Menu after UEFI (BIOS) upgrade on Thinkpad X1 Carbon gen5

I have dual boot system with Windows 10 and Arch linux (with grub) installed on Thinkpad X1 Carbon gen5. I've updated BIOS from version 1.22 to 1.34. Before Update I had several options in Boot Menu ...
0
votes
1answer
78 views

How to install Ubuntu on ASUS F556U, JournalError error? [closed]

I'm trying to install Ubuntu 18.04 on my ASUS F556U laptop without success. I already asked other questions on the subject, thinking that the problems were by UEFI mode. Well surpassed that, I already ...
0
votes
2answers
540 views

Debian UEFI Boot with DELL Latitude 7490 “No bootable devices found”

I have tried to install Debian 9.5 on a DELL Latitude 7490 with UEFI, but when I try to boot the machine I get the infamous "No bootable devices found". EFI partition has been created, and I can see ...
1
vote
1answer
1k views

Timed out waiting for device dev-disk-by\x2duuid-C829\x2dC4C1.device

I had formatted efi partition and installed windows again. I have dual boot Windows and Linux, then I installed the grub bootloader again from a live usb using these commands: mount /dev/sda* /mnt ...
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votes
2answers
265 views

new kali installation (EFI), I can't start on kali OS without the “super grub 2” usb key

I got a new computer. This computer works before with a multi boot (ubuntu OS, kali OS and windows OS). I wanted to erase all datas for install only a Kali linux OS (no multi boot, just only Kali). ...
0
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2answers
146 views

UEFI cannot boot Debian install on external USB without nvram entry

I have installed Debian Stretch onto an external USB drive that I plan to use as a portable installation that I can use on multiple computers, so I need to be able to boot it from the USB directly ...
0
votes
1answer
46 views

Change UEFI boot order from busybox

After generate a new efi boot entry with efibootmgr: # efibootmgr -c -g -L "Debian (EFI stub)" -l '\EFI\debian\vmlinuz' -u "root=UUID=955548bd-9c77-4893-8633-3a5e7966dfc9 ro quiet rootfstype=ext4 ...
1
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0answers
117 views

GRUB Change EFI to BIOS legacy boot mode

I need to change the boot mode of an UNIX system from EFI to BIOS. This system (Fedora Atomic Host) uses GRUB as a default bootloader. I need to change the bootloader to BIOS, because I want to ...
0
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0answers
176 views

Deepin & Elementary OS boot problem / keep loading after login

I recently purchased a new laptop with Windows 10 on it. I tried to install Elementary OS 0.4.1 in dual-boot with Windows 10 with UEFI. The installation was a success, but when I login, the desktop ...
1
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0answers
398 views

Solus OS broken boot

I had a perfectly fine and running Solus OS installation on a 100gb of 1tb hard drive. When I created a partition on the remaining 900gb, boot just vanished. I tried all the things from the internet, ...
1
vote
1answer
75 views

Shim only works in non-Secure Boot mode

I'm trying to get my dual boot (Arch+Win10) to work with Secure Boot. I followed the Arch Wiki, with the following steps. sudo mount /dev/sda1 /boot/efi sudo mv /boot/efi/EFI/Boot/bootx64.efi /boot/...
-1
votes
1answer
336 views

Manjaro: SSD not recognized in BIOS after installation

I've installed Manjaro 17.11.1 on my ASUS UX31A. Before there was ElementaryOS running on it without a problem. When I startup the system after installation the laptop enters BIOS directly. There's ...
0
votes
0answers
16 views

How to get Linux install on USB to show in Mac Startup Manager?

I started off by installing the full version Kali Linux on a USB drive. I went through the graphical installer and repartitioned the USB with /home and swap partitions so this isn't a Live USB, just ...
0
votes
0answers
44 views

Can`t stop Ubuntu suspending

I have Ubuntu 16.04 using UEFI and Unity. My problem is that I can't stop the screen from seemingly suspend. It happens every time I close the lid or lock the screen, in which case it takes about 10s ...
0
votes
1answer
315 views

Dual boot Windows and Linux on separate HDDs - error: no such device

I followed online tutorials to install Windows 10 alongside Linux (Arch) on separate HDDs. This involved physically disconnecting each HDD while installing the OS on the other. The only thread I ...
0
votes
2answers
71 views

Can I trust initramfs and vmlinuz images?

I am running an Arch Linux installation on my laptop with the following partition scheme: /dev/sda1 is my /boot partition, which is also my ESP /dev/sda2 is my LUKS encrypted root partition I use ...
1
vote
1answer
258 views

Convert a Ubuntu BIOS install to EFI/UEFI in USB stick

I have a linux installation (full installation not live) in a USB stick. When I set it up it uses BIOS to boot but now I need to change it to UEFI because some newer machines only boot in UEFI. I ...
0
votes
1answer
60 views

Bootable NixOS ISOs not working (18.03.132847)

After following the NixOS' Installation Guide, I'm failing to create a bootable Installation ISO. I created an issue for this on NixOS/nixpkgs. But I wanted to see if there was any knowledge here. ...
0
votes
1answer
114 views

How to install GRUB with dualboot in Legacy mode?

I have a problem with my laptop, I have Windows 10 and Parrot Home OS (a Debian based OS) in other partition, yesterday when I installed Parrot, the installer noticed me that the only thing that ...
1
vote
1answer
232 views

Build Archiso with proper UEFI SecureBoot signing

I'm building an Archiso live USB. My goal is to make it SecureBoot compatible (users with SecureBoot enabled should be able to boot it). It seems like this has been asked before (How to boot Arch ...
2
votes
1answer
501 views

systemd-boot skips boot menu and ignores settings in /loader/loader.conf

Recently, after I've done something to my multiboot system, when I boot NixOS with systemd-boot, boot menu does not show up anymore even though the timeout is still set to 2 seconds in /loader/loader....
0
votes
1answer
43 views

Two drives with their own ESP

I'm having a problem about how I boot to Linux. I tried and successfully boot if there is only one drive and one ESP. but my goal is to have two different drives with their own ESP. the first drive ...
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votes
0answers
28 views

Linux on SOC, bypass Bios or Boot Menu, is there anyway?

I have 40 SOC PC's as follows: and has setup (bios) as follows: This SOC has android and win 8.1 OS. I want to install a Linux on this PC. When I write ISO of 3 different Linux on Flash using Rufus ...