Questions tagged [bootloader]

A bootloader is a small program that gets executed at startup time. The bootloader loads data and other startup process into RAM where they can be executed.

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Black screen after installing

i tried installing ubunto on my old optiplex 755 After installation computer froze and restarted after that dell logo screen just stayed black with a white underscore at the top left
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Install Ubuntu alongside windows, but use windows boot manager

Is there a scenario, where I install Ubuntu without Grub and am able to run it manually.(I know Grub is responsible for booting, but I have to ask anyway, may be there is a way). I ask this because, ...
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End Kernel Panic not syncing: Attempted to kill init! exitcode=0x00000100 - Ubuntu 22.04

So, after my laptop froze when rebooting on a new installation of Ubuntu 22.04 (dual boot with W11), every time I need to boot I end up with this message (cannot attach picture of the output for ...
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No setup menu for BIOS, no GRUB, no bootloader and order

I dual booted Elementary OS a month ago, and GRUB took over the BIOS. I formatted Elementary OS partitions and upgraded my BIOS of G480 Lenovo laptop to 62CN97WW(1.151). My BIOS is back. Additionally, ...
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Cannot install 22.04 on older laptop. Operating System Not found

Install goes fine but no matter what option I chose after install it says "Operating System Not Found". Hardware is a XPS 13 L321X Intel Core i5-2467M (10 plus years old) running Ubuntu 22....
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Will Ubuntu Core on Raspberry Pi ever have USB boot support?

I've looked all over and have yet to find anything of use regarding USB booting on Ubuntu Core for the Raspberry Pi. Using the SD card on the Raspberry Pi 4 platform is way too slow for the ...
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After upgrade to 22.04 from 20.04 can not boot into Ubuntu

Actually, I was having a very similar problem before I upgraded, so 99.9% sure it is not that 22.04 is not fully bug-free [what Ubuntu ever is!?]. Before, the problem was that I had cloned the drive ...
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How to install Ubuntu 22.04 LTS on old Acer Aspire 5720 ICL50 [duplicate]

This old Acer 5720 ICL50 already runs Ubuntu 20.04 Bionic Beaver and Linux Mint 20.3Una on 2 separate partitions. Both work fine and I update monthly. The machine is only used a reference machine, ...
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blk_update_request: I/O error, dev mmcblk1, - it is possible skip or disable disk ubuntu 21.10?

I have problem with my device with drive eMMC, disk is corrupted and when I install Ubuntu on SD Card i see below problem when system starts. blk_update_request: I/O error, dev mmcblk1, sector ********...
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My keyboard no longer turns on when I try boot into GNU GRUB

Whenever I turn it on, I enter GNU GRUB but my keyboard no longer turns on and I can’t boot from drive or go in my bios until it loads up Ubuntu. But I need to go into windows. Please help! I tried 3 ...
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Can't boot into kubuntu after replacing Manjaro on second drive [Dual-Boot Setup with Windows on first drive]

I have trouble fixing my dual boot setup (Windows on the first, Kubuntu on the second drive). I had previously installed Manjaro on the second drive and the installation of Kubuntu (overwriting ...
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Bootloader installation failed

I was trying to install Ubuntu Studio 21.10 as my second OS. Cleaned the hard drive, created bootable USB disk. Booted it up and began to install Ubuntu. At the end the installation program said this: ...
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GRUB Bootloader Messed Up on Ubuntu 16.04

I have an issue where the GRUB bootloader on Ubuntu 16.04 became... corrupted? Since I cannot take screenshots outside of the OS, I am going to use images taken from the "Grub Customizer" ...
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Stuck at grub Command Line. Initrd file not found

Steps followed image Unable to boot Ubuntu. Grub screen appears on startup by default. Tried many approaches and one of the approach I used is ls (hd0,gpt2)/ //it displayed home partition ...
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Windows bootloader error: thread exception not handled (dual booted laptop)

The problem I'm new to ubuntu and linux in general (aside from android). I dual booted my laptop that was originaly windows 10. The laptop has grub and windows bootloaders that I use for booting ...
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Default embedded modules in bootx64.efi, grubx64.efi and mmx64.efi

In the default bootx64.efi file present in an Ubuntu image, what are the modules embedded? I would like to replicate the original bootx64.efi file using the command: grub-mkimage -o bootx64.efi -O ...
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Ubuntu black screen, can not get to grub menu with esc or shift

Ubuntu 20.04. I was previously using an Nvidia Quadro 4000 2gb. Just installed a nvidia Quadro k4000 3gb. Now I boot to the black screen and I can not get to grub menu with shift or esc. My computer ...
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"Invalid magic number" error when booting in kernel 5.4.0.104

Hello everybody out there using Ubuntu, My Lenovo X230 Tablet with Ubuntu 18.04 installed to a Samsung 4 SSD only booted into a minimal bash today. This looked to me like a problem with GRUB or the ...
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Ubuntu laptop boots in EFI Shell instead of OS

starting up my laptop this morning running Ubuntu goes directly into EFI shell. Not sure what this failure might be. I have reset a few times and gone into the Boot Manager to see anything unusual in ...
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Ubuntu ZFS - /boot/efi/grub mounted at /boot/grub in fstab - normal?

I'm noticing a "new" line in fstab I've never noticed before, and I'm wondering if it has to do with this installation being on ZFS AFAICR /boot/grub has always existed independent of the ...
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USB ports dissabled at Ubuntu kernal (works at Grub menu) 4 tries with 20.xx and 21.xx version. help please

I have install Ubuntu on 3 computers, 2 were fine, one failed with Dummy Device for sound. I tried all versions of repair found online - none worked. So I reinstalled. Sound seem to be fixed during ...
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A GRUB EFI boot-option has been enabled automatically

I was using Ubuntu in a flash drive in my Dell Inspiron 14 5415 laptop (Windows 11) and everything was going really well until today when I had to restore the Ubuntu from the Timeshift image. When I ...
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How to remove Windows 11 bootloader from ubuntu 20.04? [duplicate]

As I installed Ubuntu on my laptop as main OS, I wanted to remove Windows 11 completely. I deleted the windows files from gparted. I tried to remove the windows bootloader using Grub Customizer tool. ...
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Unable to Boot into SSD

For the longest time, I was running a dual-boot on a PC I bought several years ago. It came with a 1tb HDD w/ Windows 10 on it. I installed a M.2 SSD on it and ran Ubuntu on it for the longest time. ...
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ubuntu 20.04 boot into tty1 instead my desktop after updates

ubuntu 20.04 boot into tty1 instead my desktop after updates as the title say. when i try boot into ubuntu it take very long time and after that i cant get into my desktop but it boot into the ...
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Boot hangs at GRUB prompt instead of GRUB menu

I installed Ubuntu 21.10 on a new machine. Then I needed to dual boot Windows 10, so I booted to a live USB and shrunk the Ubuntu partition. Windows installed fine, but apparently squashed GRUB. I ...
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Grub2 bootloader doesn't displays correctly when using a system password in BIOS

i have a Dell Inspiron 5447 with GRUB 2.04 installed as my bootloader, it works fine when not using a system password in BIOS, but when i activate it, the grub options disappears and i get a black ...
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Grub bootloader

I have just switched to Linux and made a clean install of Ubuntu 20.04 over Windows 10 (no dual boot). I want to skip the grub bootloader screen which appears at the startup. I have already gone ...
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Blank screen with no grub menu

I tried to customize Ubuntu and broke my installation. I tried reinstalling Ubuntu without a USB or DVD by using grml-rescueboot to boot to a live environment. The installer failed. I suspect it ...
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Create a new bootloader on another disk for an already installed Ubuntu

So here is my scenario: I have a ssd with Ubuntu installed (lets call it SSD_A) which one I installed its bootloader on another ssd with Windows (lets call this windows ssd as SSD_B). But now I have ...
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Put old SSD with Win10 Installed into laptop with Linux and boot Windows?

I have an old laptop with Win10 installed in it from factory. I have a new laptop with Ubuntu 21.04 installed from factory (with systemd-boot bootloader installed in UEFI mode). Can I put the SSD from ...
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How do I achieve dual boot after a custom Ubuntu install on a Windows 11 machine?

I am trying to add Ubuntu to a new Windows machine. It has a 1 TB SSD with Windows 11 on it. I have shrunk the Windows partition and freed up 500 GB of space for Linux. When I install Ubuntu there's ...
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Ubuntu crashed now Windows 10 doesn't boot

Ubuntu crashed causing my computer to reboot. Computer no longer starts Windows 10 but instead boots into GRUB. Before I begin I must state that I am not a computer nerd. I use computers solely to ...
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How to install ubuntu without overwriting windows bootloader

I have windows installed machine. I want to install ubuntu which should be installed and uninstalled at any time(permanent os is windows). I have an ubuntu USB. I have no windows USB to re-install ...
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How can I Re-Install 'EFI Partition System' & 'Partition table entries are not in disk order' warning

I use Ubuntu 20.04. I have overwritten my EFI partition system. Then I deleted it. After I deleted it, the space became unallocated. (I opened and finalized another question for this issue question ...
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How to recover bootloaders?

I have a dual-boot setup: Windows 10 + Ubuntu 20.04. I have 2 SSDs (both are Samsumg 860 EVO 1TB, in case it matters), but since I bought them at different times I made my partitions a bit weird: SSD-...
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How to fix a corrupt or missing GRUB2 bootloader on a Usb bootable drive?

i have Ubuntu 18.04 on USB bootable drive. It has always been running smooth until one day it stopped to boot. The USB is not recognized anymore on both Unbuntu and Windows (it run but doesn't appear ...
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2 votes
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Help on booting ubuntu?

I was trying to copy an old SSD to a new SSD and used "dd" to copy over, but I decided to stick to the old SSD and when I booted it didn't boot but I saw the grub console. At that time if I ...
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Dual boot Win 10 & Kubuntu 20.04.3 - default bootloader stays Windows

I am trying to get GRUB to be the default bootloader at boot time. I have a Samsung 500 GB SSD and a Crucial m.2 500 GB drive. Windows 10 is on the Samsung SSD. I have installed Kubuntu on the m.2 ...
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Ubuntu booting problem ( Not booting)

I am using a Dell laptop, Inspiron 15 series (inspiron 15-3565) with Ubuntu 20.04 Today I suddenly removed my laptop battery when it was in use. After that, whenever I tried pressing power button it'...
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Ubuntu 20.04 Purple Boot Screen with "Ubuntu 20.04" and White and Orange dots

I powered on my computer when I was getting ready to use it, and as soon as I turn my monitor on, I had a loading purple screen that says "Ubuntu 20.04" and it has a White and Orange dots, ...
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What is “Secure Boot chain-loading bootloader (Microsoft-signed binary)" and why is Ubuntu 20.04 trying to install it on my system?

It seems to be part of the shim-signed package. (Credit: @neikas) That package description says: "Its purpose is to allow a small, infrequently-changing binary to be signed by the UEFI CA, ...
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4 votes
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How to remove "Secure Boot chain-loading bootloader (Microsoft-signed binary) "?

During Ubuntu 20.04 software update I was notified that "Secure Boot chain-loading bootloader (Microsoft-signed binary)" is about to be installed/updated. I don't want to allow any Microsoft ...
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How to solve you are in emergency mode issue with sda2?

I am new to Ubuntu. 18.04. I installed Kali Linux in virtual box. And when I rebooted my Ubuntu it shows like this: Then when I select Ubuntu: Then again loading screen will show up and then this ...
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'Moving' ubuntu installation to HDD drive causes grub loading issues

I have a laptop setup with 256 SSD/ 1TB HDD. I had a working dual boot Windows 10 / Ubuntu 18.04 on the SSD drive, but now I want to remove the Ubuntu installation from the SSD and install it again on ...
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Grub disappears after booting into Windows 10

Grub disappears and is replaced by the Windows bootloader after booting into Windows 10 (Windows 10 and Ubuntu 20.04 dual boot) I installed ubuntu 20.04 alongside windows 10 from the ubuntu ...
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Unable to update “Dell Inc. System Firmware”: missing signed bootloader for secure boot: /usr/libexec/Fwupd/efi/- Fwupdx64.efi.signed cannot be found

I have a Dell XPS 13 7390 BTX, running Ubuntu 20.04. I've noticed this error when updating my programs, specifically "Dell System Firmware 1.5.1 > 1.9.0". The closest to a solution I ...
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Is making a bootable hard disk without unetbooting possible? [duplicate]

I'm asking this because unetbootin not working. (i dont have a usb disc)
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"Gave up waiting for root file system; Alert! UUID= ... does not exist! Dropping to a shell." Previous Thread Solutions have not Worked

I am running on VMware Workstation with Ubuntu 18.04.5. Whenever I try to boot my own Linux 5.4.0 Kernel, which so far is just fork of the original repo, I get this Error Message. Here are some images ...
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How to check if u-boot exists in a linux device

I am trying to remove u-boot on an embedded device to reduce boot time. The platform I am working on is jetson Nano B01 I have followed the instructions to flash without u-boot but I don't know how to ...
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