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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Boot option menu for Ubuntu and windows with ESPs on different drives Not Showing

I've recently set up a dual boot system with Ubuntu 22.04.3 and Windows 11, installed on two separate disks. Each operating system has its own EFI System Partition (ESP) on seperate disks. However, I'...
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Dual Boot Woes: Resolving Boot Loader Conflicts between Ubuntu and Windows

Hello Stack Overflow community, I've recently set up a dual-boot system with Ubuntu and Windows on my machine, but I'm encountering issues with the boot loader. Specifically, I'm facing conflicts ...
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Grub failed to install to /dev/md0 on Ubuntu 18 to 20 upgrade

I ran do-release-upgrade on an Ubuntu 18.04 LTS server. It looked like the upgrade to 20.04 LTS was successful, but then at what I'm assuming is the end of the upgrade, I am presented with this ...
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Ubuntu 23.10 installation failing

I'm attempting to get a dual boot setup. I created 200gb of free space before starting. The 23.10.1 install disk boots fine although there are a few errors on the black screen that disappear to be ...
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Stuck in grub while trying to reboot after deleting the Windows partition

I removed my Windows partition since I haven't been using Windows for several months. I extended the Linux root to utilize the freed up space, following steps from two YouTube videos(https://youtu.be/...
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Boot Device Not Found... HP probook 4530s

I installed the last version of Ubuntu on my hard drive by suppressing all data previously on the hard drive... Everything went fine, but when I turn on my PC, there is a BOOT DEVICE NOT found, Hard ...
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Help determining which Grub instance is in use

I just put together a new machine where Linux is not supported directly by the motherboard manufacturer (a Gigabyte AORUS Elite X WiFi 7). I initially installed Kubuntu 22.04 LTS, and it was not a ...
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Inserted USB-Stick prevents Ubuntu from Booting

I run Ubuntu 22.04.03 LTS on a Lenovo L13 Yoga. When my USB drive is inserted before boot, it gets stuck after the end of the boot sequence. When I remove the USB drive at that point, it shows the ...
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Custom 22.04 Server iso results in "unable to find a medium containing a live file system"

I was trying to make a custom 22.04 iso that would auto install with cloud init. However after getting past grub the initramfs would not be able to find the filesystem. I thought to remove my ...
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Unable to change the screen brightness after installation of Ubuntu 22.04

My system configurations are: Lenevo IdeaPad gaming with AMD Ryzen 5000 series, Nvidia GeForce GTX. I have referred to one of the articles and updated the grub configuration mentioned below. Default ...
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Kernel Panic - no working init found

I can't copy paste the error message so here is a picture A couple months ago, I set up a dual boot with Ubuntu and Windows on my HP laptop for the first time. It worked fine for about one and a half ...
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Recover Data from unmounted nvme

To give a context: Since ~10 months I used to start my Ubuntu by going inside grub and write as follow: set root=(hd0,gpt3) linux /boot/vmlinuz-5.19.1-051901-generic root=/dev/nvme0n1p3 initrd /boot/...
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Grub Customizer Messed Up Grub - How Reinstall Grub Properly?

Grub Customizer messed up my Grub. I regret ever installing it. I purged Grub Customizer, but how do I reinstall Grub? Here is my story: I had a dual-boot system, combining Windows 11 and Ubuntu 22....
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Ubuntu 22.04 won't reboot

Upgraded Ubuntu 20.04 to 22.04 - everything worked fine. Then I tried activating unattended-upgrades and let it install a new kernel and reboot. Machine never recovered. Grub has the following kernels ...
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Removing Ubuntu partition using flash drive (live ubuntu) and install windows

I was using ubuntu 22.04 on ssd and I had removed the ssd and use another ssd with windows installed on it to install gpu drivers. When I have tried to install amd gpu driver but the installation ...
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Grub-installl command doesn't work inside chroot

While restoring grub after installing windows, after mounting everything(bin, proc, run, dev, dev, dev/pts), and after chroot /mnt/ command, I don't have Grub-installl command, Any suggestions?
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Dual boot with Windows without grub bootloader

I have Windows 11 installed and I want to dual boot with Ubuntu 22.04 LTS. I have had some experience with some Linux Distros, but not that much. I know after installation, I will be prompted with the ...
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My VM Webserver won't boot after a power outage, how can I fix it?

I run a webserver on a VM of Ubuntu Server that is on a Windows Server. Recently there was a power outage and now the Ubuntu won't boot and I get error messages. The VM is managed by an IT company but ...
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Why does "i8042.dumbkbd" fix the issue where my keyboard doesn't respond after logging in, and is there a way to fix it some other way?

I am using Ubuntu 22.04.3 on an LG gram 2-in-1 laptop. My computer used to have a problem where the keyboard would be unresponsive for a few minutes after I turned it on, but I was able to easily find ...
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A Unique Problem! - D6 Motherboard Error only when Monitor is connected by Display Port

System Specs: Motherboard: ASUS Rampage V Edition 10 GPU: Nvidia Geforce GTX 1080 TI Monitor(Problem) - Asus VG1A 144 Hz 28" OS Environment - Dual Boot [Windows 10 & Ubuntu 22.04 (or latest)]...
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While booting it shows error: file '/boot/grub/i386-pc/normal.mod' not found. Entering rescue mode... How to tackle this problem?

I'll be honest I'm a noob in coding and all such things related to it. Please be as specific as possible My device is a 64-bit device and I've never encrypted anything as such.
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I can't install ubuntu 20.04 through USB stick

I am trying to install ubuntu 20.04 through a USB stick (using UEFI). My current setup is using Intel NUC8i7BEH. I am currently using Intel Iris Graphics 655 in the NUC. The Ubuntu iso file I am using ...
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Ubuntu dualboot grub problem

I used to install ubutun on a dualboot with windows. On this time I installed it with windows 11 on hp laptop. When I install and configure boot-repair to fix the boot anomaly, the grub works fine ...
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Cannot get Microsoft Surface to boot Ubuntu

Okay, I have previously been able to boot from a USB drive without issue. Then 2 days ago something changed and I can only boot to Grub off of USB. I have essentially tried everything. I have tried ...
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Windows 10 won't boot after Ubuntu dual boot install. GRUB menu goes to black screen

I downloaded ubuntu on my computer that has windows 10 installed. However, after installing ubuntu I can not longer get back to windows. I can not get Grub to launch, holding shift does nothing and ...
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Install OK but how can I make Ubuntu start without pressing F9?

No problems during clean installation of Ubuntu 23.10 on a HP elitebook folio 9470m. But then at restart, no operating system is found. After Pressing ESCF9 I can select 3 boot options: Selecting ...
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Ubuntu 22.04 cannot boot - stuck in emergency mode

Ubuntu does not boot. First timed happened after a freeze that required a hard shutdown. You are in emergency mode. After logging in, type "journalctl -xb" to view system logs, "...
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External ubuntu does not boot on one machine

I installed Ubuntu 22.04.03 onto an external m.2. It boots up fine on the machine it was created on and on another machine, but not on a third machine. On the third machine it starts booting, then the ...
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Can´t reinstall grub after deleting it with boot repair

I installed boot repair to repair the grub4dos screen I used a live usb stick.I deleted grub using boot repair but now I can´t reinstall it this is what it showsthe image Edit:I retried it again and ...
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Grub4dos shows up while trying to boot Ubuntu 22.04 in dual boot

I dual booted Windows 10 and Ubuntu 22.04.3 LTS. I used EasyBCD to make an OS Selection with grub2. I select Ubuntu 22.04.3 LTS, but it shows up a grub4dos and says something like Bash Minimal-line. I ...
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ata1: COMRESET failed (errno= -16) primary disk, but device is not broken

Summary: I have a principal SSD with 2 partitions, one with Ubuntu 20 and the other one with Windows. Yesterday, I tried to boot linux but it fails. Windows fails too. I recently updated Windows, but ...
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Uninstalled ubuntu and want to install it again

As a new Linux user, I encountered a problem during the customization of my dual-boot Windows 11 and Ubuntu system. After restoring a snapshot using Timeshift, my Ubuntu installation became unstable. ...
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Ubuntu 22.04 refuses to boot

I observed my IntelliJ wasn't opening, so I opened my terminal (see below image), and ran ‘apt-get update’. But still, InteliJ still refused to open. So, I rebooted and Ubuntu refused to boot — ...
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Ubuntu 22.04 is stuck at boot screen

My system got stuck at the following screen when trying to boot into kernel image linux 5.15.0-88-generic: I tried booting the previous version of the image (5.15.0-87-generic) and got to this screen:...
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Minimal BASH , grub error

"Minimal BASH like line editing is supported. For the first word, TAB lists possible command completions. anywhere else TAB lists possible device or file completions." grub> I've been ...
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Ethernet disconnected trying to fix brightness slider on Ubuntu 20.04

Running an ROG G15 laptop. I recently installed Ubuntu 20.04 in a dual boot setup with Windows 10 as the other OS. One thing I noticed was that my brightness slider wasn't working, so I looked it up ...
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No dual boot after UEFI lock of the hard drive

I have an account here, but the password is on my ubuntu which I can't access ^^. I have an old windows 10 computer and I had a dual boot with ubuntu 22.04. Ok so I tried several things on my ubuntu ...
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Old Atom d945gclf2 with 10TB no boot device found

I installed Ubuntu about 7 times now trying to set the BIOS up other ways. This BIOS don't see the SATA drive as a 10TB. All seems to go very good installing till time to reboot and it all ways says ...
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fdisk and UEFI boot menu showing different locations for Ubuntu EFI partition?

Noob here. Just coming back to Linux after being away for ages. Wondering if anyone can explain something possibly very basic for me. Basically my UEFI environment and fdisk seem to be pointing to ...
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Upgraded my Ubuntu 22.03.4 LTS system from a 1.0TB Hard Disk to a 2.0 TB SSD, Windows 10 in partition 1 works, but I can't access Ubuntu

I have cloned the new SSD using Acronis, I can boot Windows with an old "GRUB" disk, but I cannot get into Ubuntu to edit the settings. The Command Line is not accessible. I downloaded the ...
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HP Pavilion 15 Notebook won't install UBUNTU

I have been trying to install the latest Ubuntu on my hp pavilion 15 notebook and it will not let it install. I keep getting the error message about turning off RST and I have tried literally ...
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I can't use the Ubuntu and can't dualboot

I have 2 questions. This is the story: I wanted to dualboot Windows 11 and Ubuntu 23.10. I booted with a usb-stick in the installer and set ubuntu up as install alongside windows. After I did that it ...
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Ubuntu 22.04.3 LTS Dual Boot Install with Windows 11 fails

I am trying to install a dual boot windows linux system. I have a fresh install of windows 11 on a 300GB partition and then I run the Ubuntu 22.04.3 LTS install after that on another 180GB partition. ...
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Can't boot ubuntu form usb anymore after breaking current installation

I had Ubuntu running on my Microsoft Surface, but hat some issues with the touch screen and wanted to reinstall the Surface Kernel. Unfortunately I forgot to update Grub and I assume that broke my ...
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(X)ubuntu 22.04 boots to flashing cursor after PSU failure - unless Recovery Mode is selected

This PC is Ubuntu Studio but with Xfce installed. Recently the PSU blew, causing power to arc across the room. But having replaced this part I'm able to log in normally - provided I go into Recovery ...
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"Error Removing Linux Kernel Package - GRUB Update Script Issue"

I'm encountering an issue when trying to remove a specific Linux kernel package on my Ubuntu system. The error seems to be related to a post-removal script that updates the GRUB bootloader ...
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Laptop Stuck on screen with displayed GRUB

Long story short: I had Ubuntu 22.04 on my laptop. I could boot different operation systems and successfully install them. I wanted to try out Debian 12. Everything works cool but I didn't like it. ...
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update-grub error: failed to find canonical path of cow/

Just before someone publicly lynches me for asking this - I searched online for many fixes and neither of them worked. I tried chrooting, using commands, even using the boot repair tool - all to no ...
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Cannot find grub in ubuntu 23.10 image for editing it

I was editing Ubuntu 23.04 live CD image to change grub.cfg so that it does not show try and install option. In Ubuntu 23.10 it is not seen anywhere and I cannot edit the live CD. How and where can I ...
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uuid=xxxx does not exist

I have installed ubuntu22.04 and window11 double systems on my ROG zephyrus 16. Two systems work quite well previously but today when I switched from window to ubuntu, I found that it gave me an error....
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