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Questions tagged [grub2]

GRUB 2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB 2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Setting a Single User Password on Ubuntu 20.04 EC2 Image

I have an AWS EC2 FIPS compliant 20.04 instance, I have applied the DISA STIGS to this instance, except for one. Every time I set the password for Single User mode I am no longer able to boot the ...
Michael Hatch's user avatar
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Unable to boot into kernel 5.15.0-107-generic in Ubuntu 22.04 LTS

I trust you are well. I am unable to boot into kernel 5.15.0-107-generic in Ubuntu 22.04 LTS. Secure boot is disabled. When the BIOS mode is set to LEGACY, both 5.15.0-105-generic and 5.15.0-107-...
Wade John Beckett's user avatar
-1 votes
1 answer
24 views

Ubuntu doesn't power off completely

I am running ubuntu 24.04 and when I click the poweroff button top right corner, it doesn't fully shutdown. The screen goes off but the power light is still on and it seems to be still running because ...
stackcen's user avatar
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Grub2 does not load grub.cfg in $fw_path automatically (ubuntu 24.04)

Ubuntu 24.04 Grub Version: 2.12 Setup - customized image with grub as bootloader that loads an iso file. The same steps were previously working fine when using ubuntu 22.04. The issue happens only on ...
seeker's user avatar
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Kernel panic for normal booting, but boots ok if chosen after pressing F11, or add nosmp=1 in kernel param

[updated: May 19, 2024] I just encountered an extremely strange problem - one of my Ubuntu rack server gives me a kernel panic error when booting the OS on the installed NVME drive (/dev/nvme0n1) as ...
FangQ's user avatar
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kernel configs are missing when we create ISO with new grub Packages

when we are updating our grub packages , we have created an ISO using those packages, after booting that ISO , we found that some files are missing in boot folder
Linux Developer's user avatar
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Grub rescue mode after formatting Linux Mint partition

I wanted to remove Linux Mint and replace the space left after by extending Ubuntu into it, and so I did through Windows 10. I believe that lead me to mess up big time as I can't edit Linux partitions ...
Al...isti's user avatar
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Xubuntu on MacBook2,1 2007 boots to grub tty

I’m trying to install xubuntu 22.04 LTS on my MacBook2,1 from 2007. I followed these steps to get the usb booting: Installing ubuntu 20.04 on MacBook 2,1 (2007) (couldn’t do step 3 and so on because ...
BlueWolf's user avatar
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Ubuntu won't boot when plugged in

I installed Ubuntu (currently Ubuntu 22.04.3 LTS) a few months ago on my Dell Precision 5570. When the power cord is disconnected, either the USB C that came with the laptop or a docking station, the ...
Marcus's user avatar
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Booting from encrypted disk image on USB drive

I'd like to make a USB drive on which I can store a number of liveCDs (ubuntu installer for example). So far, I'm able to select an ISO in Grub, and boot from it. What I'd like to do is either: A) ...
hex4def6's user avatar
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ZFS System update-grub not detecting updated kernel images in /boot Ubuntu 20.04

I have a server running Ubuntu 20.04 and every time I do an apt upgrade with a new kernel version, and reboot the system, I seem to be stuck on kernel version 5.4.0-137. The system is two drives, with ...
Peter Van Doren's user avatar
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0 answers
31 views

How to remove GRUB after uninstalling ubuntu without using repair disk? [duplicate]

I had recently dual booted my windows 11 system with ubuntu, but later realized that I no longer needed ubuntu, so I cleared up the partition disk but as a common problem the GRUB remains. So, every ...
Soham Vhadadi's user avatar
1 vote
0 answers
40 views

The option to dual boot Ubuntu with Windows 11 during instalation has disapeared

The first time I tried to install Ubuntu I was told I needed to turn off Bitlocker. I did that an tried to install again, but the only two options on the install menu were erase drive or manual ...
Waffle boy's user avatar
-2 votes
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18 views

How to change grub configuration in Ubuntu LXLE 20.04 [closed]

I have a HP pavilion dv4 with Ubuntu LXLE 20.04 installed. I want to change the grub splash image. I will appreciate any help with this.
ajbg96r's user avatar
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"Reset System" when dual booting Ubuntu 24.04 LTS with TPM on

hope you're all well! I have a Lenovo Thinkpad E15 Gen4 with 2 SSDs (let's name them Primary and Secondary). On Primary I have a Windows 11 that came preinstalled with the laptop, the Secondary was ...
hymx's user avatar
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Ubuntu 20.04 P2V Vmconverter

I am facing the below issue during P2V conversion using vmconverter. --> description = "GrubInstaller::InstallGrub: /usr/lib/vmware-converter/installGrub.sh failed with return code: 127, and ...
AqeelNawazDBA's user avatar
2 votes
0 answers
56 views

Move /boot/efi and /boot to a separate disk

I would like to encrypt my root partition with the help of luks. For that I am thinking to move my boot partition to a smaller disk. My current layout of the disk is: $ lsblk -f /dev/sdc |-/dev/sdc1 |-...
Oleksa's user avatar
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0 answers
22 views

Grub does not see LinuxMint when dual boot Fedora 40 and LinuxMint 24 on external SSD [migrated]

So I installed on my external SSD both LinuxMint 24 and Fedora 40. Here is how: Partition table of SSD: GPT and split my SSD in 500GB Ext4 and 500GB empty First installed LinuxMint on empty with ...
Boq7's user avatar
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How to delete /dev/nvme0n1p1 where my Ubuntu install using terminal. Because I stuck the gnu grab version 2.12, how can I fixed it

Gnu gurb version 2.12 displayed. After clicking the *Ubuntu, I will shown error: Failed to start gdm.service - gdm Display Manager and other error will to shown. How can I fixed this. Please 🥺 help ...
Suryansh Gamerz's user avatar
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58 views

Ubuntu: cannot boot with USB

I had Ubuntu installed on a separate disk from my Windows. The disk had both the Ubuntu and the grub. I deleted it directly from the Windows disk manager because I wanted to re-install Ubuntu. But ...
Alejandro Martinez's user avatar
-1 votes
0 answers
39 views

Having problems with EFI boot [closed]

Long story short, I have a GPT formatted disk with several operating systems installed on it. There are 6 partitions: EFI, Windows 10, Mint, data, Centos, Debian. It used to be a usable setup before, ...
vik56's user avatar
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2 votes
1 answer
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How to Load Custom Fonts in a GRUB Theme?

Background: I am trying to create a custom theme for the GRUB bootloader using a specific font that I've generated myself. However, I'm encountering issues loading the font file. Steps: I generated ...
banankontakt's user avatar
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17 views

Back screen on boot before login screen

I have been having problems with my machine for along time. When ever i boot it always shows a blackscreen, where the backlight is on. The only way i can get out of it is to change to text tty and ...
Neobonde's user avatar
1 vote
0 answers
39 views

os-prober will not detect windows at all

I have a computer with ubuntu22 and windows 10 installed in seperate ssd disks, and I have used dual boot feature for a while. However after reinstalling the ubuntu 22, I have lost ability to boot to ...
Can Altineller's user avatar
-1 votes
0 answers
37 views

memory test Ununtu 24.04 Lenovo ideapad

I am not able to get into the Grub menu. I used the Shift, F10, F9, F2 keys after rebooting, but only normal booting occurred. What to do?
Péter Kaboldy's user avatar
0 votes
1 answer
34 views

How to update Grub to 2.12 in Lunar Lobster

I have an issue upgrading an old install of Lunar Lobster. See also here: https://serverfault.com/questions/1159167/how-to-upgrade-ubuntu-23-04-to-23-10-when-do-release-upgrade-blocks-due-to-grub Due ...
Eloque's user avatar
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0 answers
20 views

Boot iso from android Data partition

I want to install Ubuntu, but my device does not have any ports. It is a x86 Android tablet (Lenovo Yoga tablet 2), It has 16GB of SSD and an Intel Atom (baytrail?) Z3745 processor. Usually to install ...
Nick P's user avatar
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0 answers
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Ubuntu won't boot (dual boot with Windows on laptop)

So basically, yesterday I dual booted Windows 11 and Ubuntu. Everything worked fine, untill this morning when Ubuntu decided that it was time to stop booting. No error, no nothing... Just a black ...
YanBouw's user avatar
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1 answer
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Booting from live disk stuck on "EFI stub: Loaded initrd from LLINUX_EFI_INITRD_MEDIA_GUID device path"

I want to experiment with Ubuntu on a Lenovo laptop which has Manjaro installed (and nothing else, no Windows). I downloaded Ubuntu-24.04-desktop-amd64.iso on a Windows machine and burned it to a USB ...
michael-k-c's user avatar
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0 answers
21 views

Create USB bootloader to boot Ubunto 23.10.1 from PCIe NVMe on old non-efi PC

I have a 2010 PC that I want to use for a Ubuntu 23.10.1 server. The SATA ports have a couple other HDDs that I use ESXi, plus they're only 3 GB/s not 6 GB/s. The BIOS (no EFI) doesn't see it but ...
SDMark's user avatar
  • 19
-1 votes
0 answers
14 views

Lg notebook after installing ubuntu i restarted but failed to find boot manager

15ud780-px50k, it is my notebooks serial number. I installed Ubuntu through USB and I restarted manually but failed to boot. Default Boot Device Missing or Boot Failed When installing usb, grub has ...
Alstud0809 Wjs's user avatar
-1 votes
0 answers
41 views

Booting seems to be corrupted, disk is not detected

Sorry for a bad title but that was the most specific that I can think about as I am clueless about my next steps. I have Ubuntu 22.04 installed. While I was working, the laptop stuck so I restarted it....
Soham Jobanputra's user avatar
1 vote
0 answers
56 views

Installing Ubuntu on an x86 Android tablet (Lenovo Yoga tablet 2)

Yes, as the title suggests, TWRP is in Teamwin recovery project. I dug out my old x86 tablet (a Lenovo Yoga Tablet 2) the other day and wondered if Ubuntu could be installed on it. It has 16GB of SSD ...
Nick P's user avatar
  • 19
2 votes
1 answer
45 views

Options for dual-booting 2+ Ubuntu-based distros/flavours installed on the same disk

On a standard UEFI/GPT system, there is normally only one EFI system partition (ESP) per disk and OS installers put their bootloaders there. Ubuntu-based distros/flavours (Ubuntu, Kubuntu, Xubuntu, ...
at54321's user avatar
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0 votes
1 answer
106 views

Why is my BIOS not detecting the hard drive where is Ubuntu installed?

I have an acer travel mate laptop with windows and I wanted to also have Ubuntu, so I downloaded the 22.04.3 image and used rufus to make a booteable USB. Then I proceed with the instalation in one of ...
Ardust's user avatar
  • 19
0 votes
1 answer
131 views

GRUB_TIMEOUT=3 # Ignored?

Newly installed Ubuntu 24.04, I'm in the process of adapting it to my liking... One thing is to delay minimally at the grub menu, though always show it. Hope the info below can tell what might be ...
Hannu's user avatar
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0 votes
0 answers
39 views

Windows 11 Fails to Boot After Installing Ubuntu Using autoinstall.yaml

Hello Stack Overflow Community, I'm encountering a recurring problem where Windows 11 becomes unbootable after I install Ubuntu alongside it using a custom autoinstall.yaml file. Despite careful ...
Igor Bobko's user avatar
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0 answers
30 views

Ubuntu persistently boots into error with blinking character. Ctrl+Alt+F(1-6) works only sometimes

About a week ago I installed a new SSD Ubuntu 22.04. While also dual booting it with another SSD containing Windows 11. Shortly after I began having issues at boot with an error and blinking character....
Gradavity's user avatar
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0 answers
57 views

Boot problem: black screen after grub menu

When i switch on the pc I have automatically the Grub menu. If i click on "Advanced options" I can use Linux 6.4.0-28 and 6.4.0.34. if i boot with the first one it doesn't give me problems, ...
Elios's user avatar
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0 answers
30 views

How to remove “error: failure writing sector … to hd0” warning when booting Ubuntu 22.04.3 read-only using overlayroot on write-protected hardware?

I am trying to boot Ubuntu 22.04.3 read-only using overlayroot on write-protected hardware such as Kanguru Solutions WP-KFT3-32G flash drives. I do following to make sure disk is read-only (meaning ...
sunknudsen's user avatar
0 votes
0 answers
146 views

Ubuntu 24.04 server, GRUB seems to ignore gfxmode and gfxpayload

Installed 24.04 in a virtual machine (VirtualBox 6.1, 16MB Video Mem, VGSVGA controller). In /etc/default/grub: etc_default_grub During boot Grub shows the menu in 800x600 resolution, this is what I ...
Jacq's user avatar
  • 1
0 votes
0 answers
844 views

issues Ubuntu 24.04 on my laptop

After attempting to install Ubuntu 24.04 on my laptop, I encountered issues with booting the system. Now, even after installation, I cannot access my computer. The screen stays black and not even USB ...
Marcelo de Sousa's user avatar
0 votes
0 answers
595 views

Black screen on boot: can I use 24.04 without permanent "nomodeset"

I have a HP 17-cp1147ng notebook from the end of 2022. I've just installed Kubuntu 24.04 on it. I get a black screen after the HP logo on starting up (first time). I followed this advice (section &...
Edgar Müller's user avatar
0 votes
0 answers
131 views

When I start my PC then GRUB 2.12 is showing. How can I fix it?

When I start my PC then GRUB 2.12 is showing. How can I fix it ? GNU GRUB version 2.12
Md Mojahid's user avatar
0 votes
1 answer
60 views

dpkg: error processing package (--purge) + (--remove) [duplicate]

I have error when I'm trying to update and upgrade my ubuntu OS UPDATE : Ubuntu 22.04.4 LTS I've tried to purge the linux image but I get these errors anyway. Here are the terminal errors: UPDATE : ...
Meeaad's user avatar
  • 21
0 votes
0 answers
52 views

Create autoinstaller for Lubuntu doesn't work

am trying to create an autoinstaller for Lubuntu iso. i have created the below files: xfile.preseed adjusted the grub.cfg file accordingly . here is my preseed file: +++++++++++++++++++++++++++++++++...
mohammed adbelhadi's user avatar
-1 votes
0 answers
33 views

Colored dots in screen while booting

Ubuntu get rgb dots in screen while booting then nothing appears. Login screen doesn't appear. It was working fine before updates. I tried to reinstall Ubuntu but i face the same problem as i can't ...
Mohamed Nafea's user avatar
0 votes
1 answer
123 views

How to fix boot issues after sudo apt upgrade

I have been working on a laptop and after the hard drive stopped working, I made an installation of Ubuntu 22.04 on an external 3TB HDD drive. The drive had about 500GB of data and I couldn't move it. ...
JustG's user avatar
  • 1
-1 votes
0 answers
40 views

Reinstall Grub while using LVM

I have an old PC that I use as a media server with Ubuntu Server 22.04.4 LTS, this old PC does not have UEFI. Recently got a "new" PC that has UEFI and it has the option to enable legacy OS ...
Rehan Ratnaweera's user avatar
0 votes
0 answers
56 views

ACPI Error: AE_AML_OPERAND_TYPE

This is displayed after I turn on the PC and there are two more ACPI errors. How can I solve this issue without using intremap=off as was suggested by AI? ACPI Error: AE_AML_OPERAND_TYPE, While ...
Ahmed Faraz Shah's user avatar

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