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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13 answers
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How can I reinstall GRUB to the EFI partition?

I want to reinstall GRUB 2 and I found these instructions: How to Repair, Restore, or Reinstall Grub 2 with a Ubuntu Live CD or USB. In my case, the boot loader is installed in the EFI partition. If I ...
0 votes
1 answer
61 views

Ultrawide GRUB slowness

I'm using 22.04 with a Dell 34 inch ultrawide monitor (S3424DWC) connected to an NVIDIA 3080 by HDMI. Here are all my installed GRUB versions (although probably unnecessary as they are all from the ...
-1 votes
1 answer
64 views

Unable to install Unbuntu 22.04.3 LTS with Windows 11 pre-installed on SSD

Installed successfully Ubuntu 22.04.3 LTS with Windows 11 pre-installed on mini computer. When trying to install Ubuntu 22.04.3 LTS on another mini-computer: same hardware, Secure Boot disabled, Fast ...
0 votes
1 answer
213 views

Ubuntu 23.10 does not start after running CHKDSK from Windows in a unused partition

In my system I have two SDDs: with Ubuntu 23.10 and Windows 11 two main partitions: one ext4 for /home and one NTFS for generic storage in Windows Until few weeks ago I was able to mount the "...
0 votes
0 answers
68 views

Kernel panic - not synching: Attempted to kill init

After updating vscode, glibc and stdlibc++ was asked to be updated, however when I am trying to take this operation, an error occurred: no matter which command I use(e.g. ls, pwd), I get the same ...
0 votes
1 answer
68 views

_[SOLVED]_ grub doesn't show the option for encrypted partition

I installed ubuntu 22.04 LTS with the root partition encrypted. Now grub only allows me to boot my old (non-encrypted) ubuntu installation. how can I re-install grub so that it allows me to boot my ...
0 votes
0 answers
32 views

Grub failure after removal of second system

I installed Ubuntu Server 23.10 on the computer with Kubuntu 23.10 on the second disk. After some time I deleted the second system, just formatted the disk and on Kubuntu I did update-grub. After ...
-2 votes
1 answer
158 views

How do I roll back to Ubuntu 22.04 from Ubuntu Noble Numbat? [closed]

I am new to Ubuntu and I was using jammy Ubuntu 22.04 and I tried to update Grub 2.6 to 2.12 in the process it got updated to OS Nobula Ubuntu 24.04 E: Conflicting values set for option Signed-By ...
0 votes
0 answers
80 views

After booting I have many letters missing in Ubuntu, especially the file manager, the folders and login page

After booting today, the letters are mostly not appearing. This affects among others the file manager, taskline and related menus, and the login-page. Folders are lacking their names or the names are ...
1 vote
0 answers
6k views

Ubuntu does not load from USB

I have saved an image of ubuntu 20.04.1 LTS in a USB drive using rufus as explained here My computer is Iiyama desktop I have modified the drive sequence so that it boots from the USB however instead ...
0 votes
0 answers
42 views

Unable to access ubuntu partition - GRUB issue

I have huge problems in accessing Ubuntu. I have dual-boot and recently reinstalled windows. This caused a problem to grub boot-loader, in the sense that Ubuntu is completeley inaccessible. The first ...
0 votes
0 answers
97 views

Installing Ubuntu on Macbook pro intel (2016) failed, GRUB recovery not available

I tried to install ubuntu on my old macbookpro (2016). The first bit of flashing the .iso file onto a usb using BalenaEtcher was fine. I managed to open the EFI Boot. Note: I used Disk Utility to ...
3 votes
3 answers
25k views

How do I change the boot partition from one drives partition to a different drives partition?

I have two hard drives each with one primary partition, each with their own Ubuntu 18.04 install sda1 40gb sdb1 512gb The only purpose of sdb1 is to hold compressed backups of sda1 Normally the ...
0 votes
2 answers
4k views

"Error: initrd too big" no boot in Ubuntu

After a reboot of the remote server, the error started to appear just after the grub console and Ubuntu don't boot. Ubuntu version 16.04. Server with 64 gb of RAM. I'm a newbie in this topics, any ...
4 votes
2 answers
3k views

Secure Boot dbx Configuration Update 77 - 371 Ubuntu 23.10

I've a message starting popping up after the upgrade to 23.10 from 23.04, that I've got some updates. Turned out that this is that in the sub. Tried to update and it fails. This is what I've got ...
0 votes
1 answer
11k views

How do I get GRUB_HIDDEN_TIMEOUT=0 behavior when GRUB_DISABLE_OS_PROBER=false?

I have a question about the grub2 implantation in Ubuntu 12.04. I have a dual boot system with windows 7, Ubuntu as the primary OS. When I have #GRUB_DISABLE_OS_PROBER=true in my /etc/default file,...
-1 votes
2 answers
99 views

Error when switching from Windows 11 to Ubuntu

I have Windows and Ubuntu installed. Both systems work properly. Switching from Ubuntu to Windows has no problems. But when switching from Windows to Ubuntu the computer hangs up showing error message ...
1 vote
2 answers
5k views

USB boot option on Grub Customizer?

I want to add a boot option on Grub Customizer that boots to a USB flash drive? For reference: Grub Customizer.
0 votes
2 answers
4k views

Dual boot with2 SSDs, where do I install the bootloader?

I'm setting up a dual boot system on a brand new Windows 10 gaming laptop. It has 2 x 500GB SSDs (C: & D:), so I'll be installing Ubuntu on drive D:, which is empty. Where should I install the ...
0 votes
0 answers
166 views

Blackscreen after splashscreen ubuntu 23.10 nvidia graphicscard

Black screen after Spashscreen on boot Every time i start or reboot my PC i et runs through the boot process and after the splash screen the screen goes black. It should have shown the login screen ...
0 votes
2 answers
274 views

Undetected external monitor, refresh rate stuck with single resolution

Freshly installed Lunar on my Legion 5i Pro Gen 7 (16" Intel) (12700h + 3070ti) laptop. Plugged external monitor is not even showing in the settings. Resolution choice is stuck on 2560 * 1600 ...
0 votes
0 answers
43 views

Ubuntu dual boot: Windows boots in recovery mode

I have a HP Elitebook Bang&Olufsen laptop installed with a corporate Windows OS distribution. I recently decided to make it into a dual boot with Ubuntu 22.xx LTS. Steps: Go into the only Windows ...
1 vote
1 answer
176 views

Change keyboard layout for full disk encryption login

My work recently installed Ubuntu 22.04.3 LTS on a laptop of mine with full disk encryption using cryptsetup (I would have preferred to install it myself, but I wasn't given the choice...). The ...
0 votes
0 answers
58 views

How to restore a timeshift snapshot made from an Unreachable Operating System

I successfully created a full user data and system snapshot with timeshift in rsync mode. A while back I thought this method of data backup will be recoverable on a new and same system installation (...
1 vote
1 answer
2k views

/usr/sbin/grub-mkconfig: 11: /etc/default/grub: : Permission denied

I ve a problem while updating my system. I figured out that there is a problem by updating grub during the "sudo apt upgrade". Removing linux-image-5.4.0-42-generic (5.4.0-42.46) ... /etc/...
-1 votes
1 answer
26 views

sata drive not updating to current kernel. nvme drive has 3 choices for kernel

my computer has a sata drive sda that it boots from but the system runs on a nvme drive which is selected by the grub on the sata. the nvme is regularly updated and I watch the logwatch files for any ...
3 votes
2 answers
4k views

18.04, Slow boot and black screen on boot before reaching login splash

Xubuntu 18.04, 4.15.0-24-generic, ThinkPad T430. Uses Intel HD iGPU graphics (nvidia dGPU disabled in BIOS). Recently started having this issue with a slow boot, where the boot process hangs on a ...
1 vote
2 answers
11k views

How do I use GRUB rescue?

So when I was starting my computer, I pressed F8 and then it said there was no such partition and now it only shows GRUB rescue. How do I fix GRUB to run normally again?
0 votes
0 answers
69 views

Ubuntu 20.04 Stuck at /dev/sda5 clean ... files blocks after motherboard change

I upgraded from i5 6500 to i3 12100 and changed mobo and ram also. Currently i have only one drive in it. Previously i was stuck at the gnu grub menu and i had to run: set prefix=, set root=, insmod ...
1 vote
2 answers
6k views

How to remove BURG and restore GRUB?

I installed the BURG bootloader today in order to give my boot up screen some style. However, when I choose Ubuntu from the list it freezes on a screen with a bunch of code. Thankfully, I am still ...
1 vote
3 answers
991 views

Windows installed Windows Boot Manager on Linux SSD. Linux doesn't boot blue Windows screen

I have 2 SSD: one had Kubuntu installed and the second one I tried to install Windows on. I didn't disconnect the Linux SSD before doing that and Windows installed its Boot Manager on the Linux SSD. ...
2 votes
6 answers
19k views

Ubuntu installer crashes with grub-install /dev/sda failed fatal error

I'm trying to install Ubuntu 20.04.1 in a machine for dual boot with Windows 7, via a bootable flash drive. I've made the memory partitions for swap, esp, home etc. But, the installation failed for ...
0 votes
0 answers
79 views

fresh dual boot used mrchromebox and chrx. attempting linux boot and presented with "/syslinux/vmlinuz" not found

using mrchromebox and chrx, i successfully partitioned and used chrx -d xubuntu modifier to install linux rather than USB. booting into grub, it shows error:file /syslinux/cmlinuz.A not found, press ...
0 votes
1 answer
2k views

update-grub: Generating grub configuration file ... error: failed to get canonical path...No path or device is specified

I'm on Ubuntu 22.04 on a dual boot system with Windows 11. Everything works smoothly, but when I'm trying to install the Heroku CLI using the recommended script, I'm seeing the following error:- curl ...
0 votes
0 answers
120 views

Unable to install Ubuntu 22.04. Hangs in random stop during installation

Linux noob here. I have installed Ubuntu on several different computer (Mac & PC) without problem. I'm having a installation problem with an old Acer Laptop Acer Aspire ES-15 ES1-533-c9D0 256G ...
0 votes
1 answer
39 views

Linux Ubuntu problem: recovery menu and choice

I tried to install a new version of R on a conda environment. The terminal then warned me that I did not have sufficient memory on my disk and I therefore canceled the installation. After working for ...
0 votes
3 answers
13k views

how can I fix error: hd0 out of disk?

I am running Ubuntu 12.04 on a netbook - Acer AS 1410. After a download session, I restarted the computer and it said: error: hd0 out of disk. Press any key to continue... I pressed everything, ...
0 votes
2 answers
104 views

Dual booting problems with ubuntu and windows 10

So basicly i dual booted ubuntu and windows on my laptop but the problem is windows is gone after I dual booted it This is basicly what I did: 1 downloaded unetbootin on my windows 2 downloaded the ...
0 votes
0 answers
56 views

Stuck on GNU GRUB Version 2.04

I downloaded and dual booted Ubuntu with IOS (Catalina) for a project and to learn Linux. I put it on a separate partition from my Catalina container and only used about 10% of my drive. I didn’t need ...
0 votes
0 answers
216 views

After installing newest NVIDIA driver, Ubuntu 22.04 will not boot ("Finished: wait until snapd is fully seeded")

I own a Dell XPS 8960, which comes with a NVIDIA RTX 4070. The XPS came with Windows, but I used a Bootable USB to wipe Windows and install Ubuntu 22.04 instead. Tonight, I wanted to install CUDA. ...
0 votes
0 answers
316 views

How can I boot after receiving the error code: [drm:vmw_host_printf [vmwgfx]] *ERROR* Failed to send host message.?

I'm running Linux ubuntu-22.04 on VirtualBox (64-bit) on an HP laptop. I'm using multiple software's with ubuntu such as MATLAB and sTAMPS. I've started up ubuntu many times before, and one day when I ...
0 votes
1 answer
255 views

Ubuntu 22.04 Software Updater Error: E: Sub-process /usr/bin/dpkg returned an error code (1)

I recently installed Ubuntu 22.04 , at some point when using the software updater I got a software index error message. After trying "continue" using sudo ap-get install -f in terminal to ...
1 vote
2 answers
4k views

Dual boot windows 10 and Ubuntu 18.04.1 on separate hard drives

This is my system: Asus N552VW (my bios mode is Legacy): 128GB SSD: my windows 10 is installed on it 2 TB HDD (partitioned to two 1000 GB): 250 GB shrinked for Ubuntu My question is: looking at ...
0 votes
1 answer
11k views

How to dual boot with win 10 on Motherboard with UEFI

I am kind of new to Linux. I just built a desktop using ASUS Prime Z370-A motherboard with 256GB NVME hard drive, and installed windows 10 Pro (Demo version, as I have not entered the key for it). I ...
2 votes
1 answer
5k views

How to remove Grub2 or Windows bootloader?

I was using Windows 10. Then I installed Ubuntu 18.04 LTS as multiboot. Grub2 replaced Windows bootloader. I wanted Windows bootloader. So I installed EasyBCD 2.3 on my Windows 10. Created a new ...
0 votes
0 answers
81 views

How to solve the screen resulution and booting problem of Ubuntu Linux system?

Last night I switched off my computer, everything as usual, nothing special. The next day I start the computer via the button, it starts booting, BIOS starts, the Ubuntu boot window pops up, then a ...
1 vote
2 answers
2k views

how to permanently change the grub default boot path

I was trying to dual boot Ubuntu and Windows (windows was preinstalled). Then I screwed up by overwriting the boot path of windows with GRUB. So now every time I start the computer it will go into the ...
3 votes
1 answer
4k views

Grub won't detect Windows 10 on NVME SSD

Installed Ubuntu 18.04 alongside Windows 10 a month or 2 ago, but had issues installing and after it installed Grub would never show up at all and I had to choose whether to boot Windows or Ubuntu by ...
3 votes
1 answer
8k views

How do I stop eth0 being renamed ens3

I am working with Digital Ocean and their help team is unable after over a dozen emails to help me register the network on a VPS spun up from their backup image. Their instructions to try to change ...
1 vote
5 answers
12k views

Cannot permanently remove boot entry using efibootmgr

My notebook is Lenovo G50-45. I have two dual boot systems Windows 10 and Ubuntu 16.04. I also had Phoenix OS with separate dual boot with Windows 10 (I suppose there is second Grub). I deleted unused ...