Questions tagged [boot-loader]

A boot loader (aka bootstrap loader) is the program that loads up the operating system kernel (or another boot-loader), e.g., GNU GRUB, LILO, SYSLINUX, or rEFInd. Use this tag for questions about installing, configuring or trouble-shooting software that is used to load Unix-like operating systems. Questions about boot loaders on Android or iOS devices are generally off-topic and are better asked on android.stackexchange.com or apple.stackexchange.com.

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arch installed without bootloader - how to fix without using GRUB

Followed the installation guide https://wiki.archlinux.org/index.php/installation_guide At the point it directs to install a boot loader I saw on this page https://wiki.archlinux.org/index.php/...
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Mac ubuntu EFI won't boot

So I made a bootable flash drive containing Ubuntu image using unetboot and restarted my Mac, pressed option, the options shown were Mac HD and EFI so I choose EFI but the Mac logo comes back again ...
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Is it possible to share the same Windows installation on two systems, a VM(Qemu/Libvirt) and the host. One using Legacy BIOS and the other UEFI

I want to use a single Windows installation on a VM(Qemu + Libvirt) and on my host. My VM can only use Legacy BIOS boot mode, because I'm passing through my Intel iGPU, which is currently only ...
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Slackware: elilo doesn't boot unless I insert the installation media

I've just installed slackware on a new SSD on dual boot with windows. I installed it using a botable flash drive. Without it Elilo keeps stuck on the loading screen prompting: Loading kernel vmlinuz .....
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Ubuntu 20.04 stucked at grub-rescue [duplicate]

When I started the system, computer automatically opened grub-rescue. I use command: ls: (proc) (hd0) (hd1) (hd1,gpt2) (hd1,gpt1) System installed on (hd1,gpt1) and it contains: (hd1,gpt1)/efi -> ...
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u-boot stuck at Starting Kernel

My Target Setup: SOC: STM32H743 (Cortex m7 single core) Internal Flash: 2MB Board: Waveshare CoreH7XXI On-board DRAM: 8MB, Start_Address: 0xd0000000, Size_in_bytes: 0x7A1200 SDCARD: 1GB Bootloader: ...
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How should I edit the .cfg files in Tails 4.10 in order to successfully boot automatically from a Micro SD card?

I used Etcher to flash an .img of Tails 4.10 onto a Kingston 64GB Micro SD card. I am using it on a Dell XPS 13 9365. At first it failed to boot and returned the error message "Unable to find a ...
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EFI boot error: Please append a correct device “root=” boot option

I try to start the system (Kubuntu 20.04) without a Bootloader direct from the EFI/BIOS for faster boot. I compiled the Linux-kernel-5.8.5, copied and renamed the /usr/src/linux-5.8.5/arch/x86/boot/...
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Windows 10 don't appear on KDE neon bootloader

I installed KDE neon today, i had an error telling me that the installation couldn't be finished, so i left KDE neon by click on shutdown option and just power on my pc to boot on Windows, but my pc ...
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Save environment from SPL u-boot?

I am working on uboot v2018.07 on beagleboneblack. For my implementation, I have to read boot device on startup as it can be booted from emmc or sd card. While loading the environment in env_load(void)...
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Problems with dual boot in an old pc (pentium 4) without UEFI

I write all of you because I have expended two weks trying to solve this problem, I have seen a lot of youtube videos and read a lot of forums but I cannot fix this. I want to clarify that I'm only a ...
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arch linux systemd boot: missing /vmzlinuz-linux and /initramfs-linux.img

I am arch linux. One day it stopped showing in systemd boot menu. So I booted live arch via usb, mounted bootloader partition and ran bootctl list --esp-path="/mnt". This is output: title: ...
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Build shim requires missing file efi.mk

I'm trying to build shim on debian (buster), sources from git. It's missing the file called efi.mk which is necessary from include/defaults.mk, line 81. The package gnu-efi 3.0.9-1 does not contain ...
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Windows not showing in grub

Short Story: I deleted the first partition and then created a new fat32 partition from it. Then installed manjaro. Now, I cant access Windows 10. Question: How do I fix this, and get the windows 10 in ...
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Why uboot x86_64 can not boot alpine vmlinuz-virt, reset after boot

qemu-x86_64 uboot.rom with Alpine's virt get vmlinux wget https://mirrors.aliyun.com/alpine/v3.12/releases/x86_64/netboot/{vmlinuz,initramfs}-virt now boot qemu qemu-system-x86_64 -m 1024 -smp 2 -...
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What's a boot loader for UEFI?

I know MBR bootloaders, the MBR bootloader must switch a computer to the protected mode (as rule) and pass the control to OS kernel, for example here. But what's UEFI bootloader? As I've read UEFI is ...
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Restoring EFI boot partition

I've been getting back into Linux and am in need of some help. I have had a few unsucessful attempts at installing Arch as a dual boot along with my Win 10 installation. I think I have finally got it ...
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617 views

How to remove grub bootloader from windows 10?

I used to have ubuntu installed in pc hard disk but for other purposes, I can have only windows installed. Now I have uninstalled all partitions having ext4 fs, so only ntfs and bootable fs (vfat32 I ...
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1answer
37 views

Installing Linux alongside Windows without boot managers

Can I install Linux alongside Windows on another drive and choose what OS to boot just through UEFI? I have two disks: SSD and HDD. And so I want to install Linux OS on a partition on HDD while being ...
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How to make grub.cfg file for debian installation?

I am following this tutorial: https://www.pcsuggest.com/create-a-multiboot-usb-drive-with-grub-in-linux/. My purpose is to make my pen drive to boot from, as well as make there a partition for root ...
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grub-install: error: cannot find EFI directory — for live usb

I am trying to make my usb pen drive bootable according to this: https://www.pcsuggest.com/create-a-multiboot-usb-drive-with-grub-in-linux/, what I have done: # fdisk /dev/sdb #made new partition /...
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How to add Windows 10 from another NVME drive to systemd-boot loader entries?

I have tried updating the systemd-boot configuration according to this: https://wiki.archlinux.org/index.php/systemd-boot I am trying to add Windows 10 to my boot menu. Here are my drives: ...
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Multi-boot on mac, Installation trouble shooting ( boot loaders, drivers, etc.)

I am a Linux newbie. I tried to do this but instead of Ubuntu, I installed Kali: https://tradahacking.vn/quick-guide-to-dual-boot-windows-10-and-ubuntu-on-a-macbook-from-external-usb-a5a8d9cfdfca So I ...
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Fully encrypted Linux Mint install over multiple drives

I want to fully encrypt a fresh install of Linux Mint Cinnamon 19.X, including the boot-loader. I need a fully secure system. My current setup is as follows, which is pretty much how I'd like the ...
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1answer
116 views

Deleted system reserved partition, EFI partition, and can't boot Ubuntu now

I had dual OS running on my system (the default was Windows 10, then I installed Ubuntu alongside Windows). With the intention of deleting Windows and keeping only Ubuntu, I logged in to my Ubuntu (...
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539 views

Pop!_OS after install missing windows 10 efi file `/boot/efi/EFI/Microsoft`

After install Pop!_OS, I can't boot to windows 10, the efibootmgr -v output is BootCurrent: 0005 Timeout: 0 seconds BootOrder: 0005,0006,9999,0000,0001 Boot0000 ubuntu HD(1,GPT,ab8f019d-3b03-42b0-...
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Secure Boot - how does Linux revoke/blacklist vulnerable boot loaders/boot managers/kernel/modules signed with shim's built-in key?

Background Shim can have a certificate built into it during compilation (see "Shim keys" paragraph here). The corresponding private key can then be used to sign the boot loader/manager and ...
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does Barebox bootloader works on cortex m4?

I want to boot uCLinux on the stm32f4 but I don't have enough knowledge about Barebox. is it possible to port Barebox for cortex m4? if yes, how?
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Why does the 2ndbootloader binary file of an Android image is increasing in size by 6724 bytes on incremental builds of the source code?

I have built the source code of Android five times and on every build of the source code, I am getting image file size increasing at constant rate. 2ndbootloader binary file is increasing as well as ...
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How to repair Windows Bootmanager after formatting boot-loader partition during Linux Installation?

Due to a GPU upgrade, today I reinstalled my Linux (Pop_!OS with nvidia driver) on my dual boot configuration alongside Windows 10. It is a GPT style NVMe disk. Doing so, I think that I accidentally ...
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GRUB boot loader breaks after apt-get upgrade

So unlike a lot of the other posts that I've seen I'm running into a problem with my Debian dual boot installation after I tried to upgrade. Background: dual boot has been working for years with grub ...
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manually adjust grub settings to be able to use an older boot option

I upgraded (from within) Fedora 26 to Fedora 28 and upon re-boot I get blank screen after UEFI, and the boot does not seem to work (machine does not show up on the network). I used USB drive to try ...
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1answer
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Can I require binary X to be booted only by a bootloader signed with key Y?

If I include Microsoft's keys in my secure boot setup, then any malware which has a Microsoft key can boot my Linux binary. Can I restrict my Linux binary to be booted only by a bootloader signed with ...
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1answer
120 views

Grub2 starts in commanline after restart and can't find /boot or /grub

Note: read question before marking it as duplicate. It is different. I would't find answer to the question anywhere. I have windows 10 preloaded and dual booted it with ubuntu 18.04. I needed to ...
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grub2-mkconfig not finding any operating system

I'm trying to re-generate the grub2 config files so that entries for all operating systems in this machine are added to Grub2 menu. This is a UEFI system with Fedora 32 as main OS and FreeBSD as a ...
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Alpine Linux: how best to safely change kernel boot order after installing virt kernel?

Is it best to uninstall -vanilla kernel or leave and modify boot setup somehow - and if so, what's the best method which isn't lost when the OS updates the extlinux.cfg file? A while ago I deployed ...
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Black Screen when Booting with EFI Boot Stub

I can successfully boot my system using systemd-boot but using an unnecessary boot loader always bothers me when UEFI should theoretically be able to do it on its own. In practice, though, using UEFI ...
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1answer
453 views

Grub Error: Minimal bash like line editing is supported and no bootable os

I have a very old 2012 model of dell inspiron pc with 2 gb ram running windows 10. Today I installed Android x86 (dual boot with windows 10). I installed the grub bootlader in Windows directory. And ...
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Boot loader error trying to install Kubuntu as dual boot with Linux Mint

I'm having a hard time trying to install Kubuntu 20.04 as dual-boot with Linux Mint 19.3. This is my setup: I have a 500gb SSD in /dev/sda and a 256gb M.2 SSD in /dev/sdb on a ThinkPad X250. This is ...
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Initramfs cannot find /sys on /root/sys and /proc on /root/proc

I left my laptop running in sleep mode but im pretty sure it ran out of battery while still in sleep mode. Initramfs cannot find /sys on /root/sys, /proc on /root/proc and line 373 cant open /root/...
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Notebook booting for installing linux

Hi I don't know if this is the correct place to ask this. My problem is that I have set the boot order in order to boot my dvd unit first, in order to install lunix, but my Notebooks just start with ...
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Can I soft-link root in order to boot?

I have dual boot debian/ubuntu, the question is, in OS1 I have the /home/ as mount point to / of OS2. In OS1, I have mkdir oldroot there and now, I would like to symlink the /home/oldroot to / to be ...
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Bootloader vs boot manager

It seems that "bootloader" and "boot manager" are commonly interchanged. I know that rEFInd is a boot manager and not a bootloader. I know that grub2 is a bootloader and I think that it's a boot ...
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This GPT partition label contains no BIOS boot partition

I am to a dead end with a bricked laptop. Yesterday after a boosted fan madness and unresponsive desktop, the laptop would not start again properly; dpkg does not repair anything nor it is recognized ...
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1answer
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How to get password for Linux [closed]

Good day I think my friend is running li**nux on my home PC and Android Samsung S7 phone. Is it possible? How can I check if its running? Can I get access to the account on the PC or Phone ...
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142 views

Decent boot-repair tutorial in dual drive boot - Linux Solus 4.1 and Windows 10

I have 2 SSD drives, one dedicated to Solus 4.1 and the other for Windows 10. I had to format linux because of an unrecoverable error, and mistakenly ( and n00bly ) erased the entire disk, yes, ...
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1answer
21 views

How to add entry for a new kernel in the bootloader config file?

I am using Manjaro Linux. For a project, I had to reconfigure a new kernel and compile it. I used this guide: https://wiki.archlinux.org/index.php/Kernel/Traditional_compilation . I am done all steps ...
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39 views

Boot Linux Ubuntu using Windows Boot Manager in Legacy mode, is this possible?

It might sound a noob question from the title, but I'm pretty new into operating systems. I have a laptop and I would like to run Ubuntu alongside Windows 7. Windows 7 is the default OS, and the ...
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113 views

Load EFI file from foreign volume with systemd-boot

I have two efi partitions on two different drives (one for windows, one for the rest). I'm aware that it normally should be unified, but there may be some applications where you'd want to preserve ...
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1answer
77 views

Changes made to /etc/extlinux/extlinux.conf are not loaded after reboot

I have some trouble with usb autosuspend and found that with extlinux you can change the config file to disable it. So I added usbcore.autosuspend=-1 to the APPEND line APPEND ${cbootargs} usbcore....

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