Questions tagged [grub-efi]
Questions about using grub on EFI/UEFI systems relating to configuring, installing or removing grub from EFI/UEFI partitions.
314
questions with no upvoted or accepted answers
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Ubuntu EFI booting fails after Mac OS X booting
I have installed Ubuntu on a Macbook pro (early 2011), from Ubuntu live on USB.
After the install, Ubuntu boots and reboots automatically after restart.
Mac OS El Capitan also boots after pressing ...
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0
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40
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Change GRUB active - Cambiar GRUB activo
On a UEFI-GPT system I have installed Windows 10, KDE Neon 5.18, Ubuntu 20.04 and Kubuntu 20.04. Of course, the Grub that predominates is that of the latest installed Linux distribution. My question ...
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Unable to update any packages after upgrading from Ubuntu 16.04 to Ubuntu 18.04
I upgraded my OS from 16.04 to 18.04 yesterday. While upgrading for 6 packages (namely grub-efi-amd64, gdm3, grub-efi-amd64-signed, cups-pk-helper, ubuntu-desktop, gnome-initial-setup ) installation ...
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2
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How do I add UEFI Windows 10 to Ubuntu 18.04.4 LTS legacy boot grub?
Pretty self-explanatory. I recently dual booted my system and I am able to choose which to boot into at bios. I would like to be able to choose which OS to boot into through the ubuntu grub, but it ...
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2
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I am stuck with GNU GRUB on my MacOS after removing Ubuntu
I installed ubuntu 19 on my mac os sometime ago. However, I decided to remove it using gparted after live booting ubuntu using a flash drive. Thereafter, I loaded in MacOS and download the latest "...
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Install grub from LiveUSB: Can't find efi directory
I installed Ubuntu on my laptop. But grub can't install due to multiple mount errors. I tried to install it from a LiveUSB, but sudo chroot /mnt fails with
#grub-install /dev/sda
Installing for ...
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0
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2k
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Two GRUB menus from Hyper-V
I have Ubuntu running on Hyper-V on Windows 10
I created the VM using the HYPER-V Quick Create and selected the Ubuntu 19.04
I have found that the grub boot menu does not get updated when i edited ...
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Trouble fixing missing GRUB menu, windows 10 dual boot
I am running Windows 10 home on a Lenovo laptop with a 1 TB Samsung SSD and a 128 GB Toshiba NVMe SSD. About five months ago I installed dual boot Ubuntu onto the Toshiba - there is nothing else on ...
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what modules are embeded in the grubx64.efi and mmx64.efi?
Is there anyway to find out what modules are embedded? Is there any way to ask grub-install to embed additionally modules?
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Fail to initiate Ubuntu 19.04 install
I'm trying to install Ubuntu 19.04 on Hyper V but I'm failing right after selecting install option in GRUB, lots of failed system components are being printed and that's it:
installation log, failed ...
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1
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My laptop's SSD can't be detected by the Ubuntu installer
I had a dual boot installation with Win10 and Ubuntu running side by side on a 255GB NVMe SSD, but my laptop would occasionally not boot into the SSD, but would after one or two reboots, randomly ...
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Getting ACPI BIOS error on booting Ubuntu 18.04
My laptop is dual booted with Windows 10 and Ubuntu 18.04. I was installing Wine on Ubuntu 18.04, but I was getting some error related to read-only file partition. I did sudo apt update, but I'm still ...
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70
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System Bootloader not found
I have preinstalled Windows 10 in my HP Probook 450 G4. Then I installed Ubuntu with manual partition, where it shows that EFI system partition is needed. So, I created it. My partition for Ubuntu was ...
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New version of configuration file /etc/default/grub is available, but the version installed currently has been locally modified
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt-get update
sudo apt update
sudo apt upgrade
then this screen appeared and it says
A new version (/tmp/grub.5gRinQVE9u) of configuration ...
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1
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GRUB is ignoring settings in /etc/default/grub - single boot system
How can I get GRUB to boot straight into Ubuntu without showing a menu for 30 seconds?
I installed a brand new installation of Ubuntu 18.04.3 on a brand new machine today.
The manufacturers had ...
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91
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Windows 10 will not boot after Ubuntu installation on MacBook Air
Sick of macOS therefore I wanted to install dual boot of
Win 10 and Ubuntu 16.04 on a MacBook Air mid 2013 model.
Windows is installed and configured to boot via UEFI.
Ubuntu is installed and ...
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116
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impossible to access grub from usb install stick
I am not sure this has been asked.. but i did not find
I have ubuntu on a usb flash drive
i can boot a dell xps 9560 with it but i need to edit the boot to disable the nouveau driver by setting ...
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1
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236
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Missing Operating System-Laptop dual boot with Windows
I can't boot to Ubuntu or Windows. When my computer starts, it shows the 'Missing operating system' error. I tried to use boot repair, but it didn't work. Here is the report: paste.ubuntu.com/...
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49
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Attempting install of 18x or 16x on old Mac Pro results in bizarre glitchy screen
I’ve tried the network, desktop, and server install images for 18.10, 18.04, and 16.04. All of them display the grub menu correctly, but display a flashing screen of random characters when any option ...
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764
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Generating customized efi.img file from GRUB SOURCE
I have booted my system with Ubuntu 18.04 ISO Image. The system is up and running fine.
Towards changing the GRUB bootloader, I have followed below steps:
Mounted the 18.04 ISO image on the Ubutu ...
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2
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781
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Dell XPS 13 fails to boot; grub-install installed grubx64.efi instead of shimx64.efi
I have a Dell XPS 13 running Ubuntu 18.04. The system will not boot the signed EFI bootloader grubx64.efi. The system only boots shimx64.efi.
Every time grub packages are updated, it triggers grub-...
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66
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Recent update error grub-efi-amd64-signed update
I just ran sudo apt update && sudo apt upgrade
here is the screen shot-
Please help. Thanks
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2
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271
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How do I get my Ubuntu install (in dual boot) to boot using UEFI?
I installed Xubuntu on my PC to set up a Windows VM with gpu pass-through for games. I checked to see if my PC is using uefi with /sys/firmware/efi.
The folder is missing so I tried to use
sudo apt ...
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174
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Ubuntu 18.04 LTS Crashing on shutdown
I'm new to Ubuntu and after installing it on an laptop of mine I've been fault finding my way through a few errors. Apologies if these aren't articulated properly, if not please tell me where, I'm ...
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218
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Dual-boots directly into Ubuntu without GRUB screen showing and the screen keeps flickering
I installed Ubuntu 18.04 to dual boot with Windows10 on Asus A555L laptop day before yesterday and it worked fine for 2 days.
However now when I boot my laptop, it directly goes to Ubuntu without ...
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647
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Surface Pro 3 - unable to select OS to boot. Touchscreen not working in grub. No keyboard
Like the title says I'm not able to select what OS to boot from when I don't have my keyboard connected.
The volume keys do not work as a selection device.
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Fix Minimal BASH like line editing is supported GRUB Error In Linux
Followed this tutorial but got no success- https://itsfoss.com/fix-minimal-bash-line-editing-supported-grub-error-linux/
Here is a link to pastebin - http://paste.ubuntu.com/p/H6CJ5CPPBH/
I've dual ...
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3
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404
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How to get rid of GRUB teminal (dual boot)?
I have tried to solve this using boot-repair but it did nothing. I can still stop the boot sequence and get into choosing the Windows10/Ubuntu. But doing a regular startup i always get stuck in grub-...
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363
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Black screen/end kernel panic while trying to boot live from USB
I'm trying to install a dual-boot setup of Ubuntu/Windows 10 on my current Windows laptop
Laptop: Inspiron 5577 (Dell)
OS: Windows 10 64-bit
BIOS: 1.0.5
Processor: Intel i5-7300HQ
RAM: 8192 MB
GPU: ...
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1
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Manually install GRUB on EFI partition
I know that there are plenty of topics already and I've tried to follow them, but I'm still stuck and can't install the GRUB. I've tried to follow the steps from the accepted answer in this post.
I ...
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sudo grub reboot results in blackscreen
I followed this guide:
http://www.webupd8.org/2010/10/how-to-reboot-in-windows-from-ubuntu.html
basically enabled grub reboot, updated grub, set to reboot to index 2 (3rd entry) and rebooted.
At ...
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413
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How to install ubuntu from USB with GRUB pre-installed
I am trying to install Ubuntu on a system with a NVIDIA graphics card, which doesn't seem to like the nouveau drivers very much. Because of that, to run the installer, I have to use nomodeset, which I ...
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Difference between "GRUB2 for EFI" and "GRUB2" in bootloader
I am making a software to customize GRUB and Bootloader and I have a similar built-in software in Linux which changes some configuration of Bootloader. There are two options and I want to know the ...
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Modify GRUB permanently
I used to have Ubuntu as my only OS until I decided to get a new SSD and installed CentOS there. Now upon starting my computer I can't start Ubuntu without modifying the entry for Ubuntu first. I know ...
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Ubuntu 16.04 Boot-repair error Locked-ESP detected
I am using boot-repair from a live ubuntu session to recover my OS and getting the error-
Locked-ESP detected. You may want to retry after creating a /boot/efi partition (FAT32, 100MB~250MB, start ...
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MacBook Pro and Ubuntu 17.04 on USB Drive
I've been searching around for a while and have not really found an answer to this question other than install rEFInd...which I want to reserve as a last resort. If that's the only answer, then it's ...
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317
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The package grub-common needs to be reinstalled
i got this error "E: The package grub-common needs to be reinstalled, but I can't find an archive for it." This error is the reason why i can't install updates and applications from ubuntu software. ...
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983
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Grub UEFI PXE boot Parted Magic 2013
I have setup an Ubuntu Xenial server with dnsmasq. I am using grubnetx64.efi.signed as the boot image, and have a few things working already. I can pretty much boot any debian based system with boot=...
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Boot directly to Windows instead of Windows Boot Manager
I have installed Ubuntu 16.10 alongside Windows 10, both systems on one physical SSD. Grub has detected both systems, but the problem is, Windows is not booted directly.
I have to choose "Windows ...
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GRUB mk-standalone usage
I've managed to generate some custom version of GRUB using mk-standalone, with different module availability and the final efi files are in fact different in size, but when I check the memdisk content ...
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635
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failed to open \EFI\ubuntu\grubx64.efi
I fresh installed Kubuntu 16.10 and now it doesn't seem to want to boot. I get 2 messages when trying to boot.
failed to open \EFI\ubuntu\grubx64.efi - device error
failed to load image \EFI\ubuntu\...
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995
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GRUB shell appears after rebooting ubuntu, no problem after rebooting windows
I have a Asus E402SA with the following disk layout:
30GB Internal MMC
250GB SSD
I installed Windows 10 on the MMC and Ubuntu 16.04 on the SSD (both partitioned with GPT scheme). The EFI partition ...
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grub-probe run as root regulary
I have a problem.
I see that this command is launch by the system regularly and my PC become very very slow (because of lot of disk access)
Why have I this command running? How to fix that?
grub-...
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Automatically boot Grub into OSX
Is there a way to boot automatically into OSX, bypassing the GRUB menu in Ubuntu 16? Currently when I boot up, the screen looks something like
Boot into Ubuntu 16.04
Boot into Mac OSX El Capitan
...
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1
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(U)EFI boot failure after migration from Hyper-V
My company has recently started migrating virtual machines from Microsoft Hyper-V to Proxmox VE. We have migrated one of our Generation 2 machines (Ubuntu Server 16.04 LTS) using Clonezilla Live.
...
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Installed Xenial on Mac Mini mid-2011. No options in EFI boot menu
The install went well. I've had to download b43updated.zip with firmware for the wireless network card, otherwise it's fine except for one other issue:
Ubuntu boots
Alt during boot doesn't show ...
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Installing in encrypted partition under EFI boot
I've been googleing for a bit and can not find an answer yet
Im from a FreeBSD background, so you will have to forgive me a little
I am trying to dual boot FreeBSD and Ubuntu
I want to set up a ...
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291
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GPT, grub and mdadm. sda drive replaced, raid rebuilt in recovery mode, but now server won't boot
This is how partition table loooks like:
(parted) print
Model: ATA TOSHIBA DT01ACA2 (scsi)
Disk /dev/sda: 2000GB
Sector size (logical/...
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Dual-Boot Problem with Pre-Installed Windows 8.1 & Ubuntu 14.04
I do understand similar questions already exist. Yet mine seems to be a problem that despite trying hard to address, I haven't been able to solve. Despite having a working Ubuntu LTs 14.04 ...
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671
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Can't boot into Ubuntu 15.10 without 'idle
I'm using Ubuntu 15.10(EFI 64bit) on MSI GS40 laptop, which has Intel Skylake processor and Nvidia's dedicated GPU.
I couldn't boot to Ubuntu's installation stage without giving GRUB's boot option '...