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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Thinkpad broke, I removed drive and trying to boot from the enclosed external drive using other computer

so my lenovo thinkpad broke and I removed the drive. I have one 500gb drive, partinioned 50/50 with windows storage and bootable Ubuntu which I would switch from the other installed m2 drive that was ...
Mohsen Jahanshahi's user avatar
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How do I get my laptop keyboard to work again?

Hardware: Toshiba Satellite L870-18v For a few weeks now my laptop keyboard has not worked and I was wondering if there was some way to get it working again. At the moment, I have to use a usb ...
Stuart's user avatar
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Windows 10 boot problem after removing dual boot option for startup

My laptop had a Windows and Ubuntu dual boot. I realized I'm not using Ubuntu anymore, so I decided to uninstall Ubuntu and delete the particular partition which had Ubuntu installed, but in the ...
Himanshu Chauhan's user avatar
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Problems booting Ubuntu USB

I have a (with Ubuntu,) bootable USB. But, if I boot to it, its automaticly boot to GRUB with no errors. It says; Loading GRUB... Welcome To GRUB! Entering rescue mode... grub rescue> I`m created ...
Çınar İlkay Alakay's user avatar
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Stuck at GRUB menu on boot Ubuntu 22.04

Picture of the GRUB output after looking into partition (hd2,gpt5): So as you can see in the picture, I'm stuck in GRUB. I know where the Ubuntu system is, it's in (hd2,gpt5), and the root / file is ...
John Miller's user avatar
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Diskless Booting - grub.cfg & NFS

I have used guide:-https://ubuntu.com/server/docs/install/netboot-amd64 to build PXE server and currently it is working. I plan to build upon this and make an environment where diskless client is ...
Mubeen's user avatar
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can't get to grub (even with right key). (recovering journal)

I'm on a single boot. I can't get to the grub and if I can I can't move using the arrow keys. I'm Kinda confused on how I got to the grub in the first place. I have used 2 diffrent keyboards one ...
a sped kid's user avatar
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apt shim package

I noticed in the APT repo there is both shim and shim-signed. I'm wondering what the purpose of the shim package is? Can it be used to insert a db certificate into the boot process? I'm looking for an ...
Simon's user avatar
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How to resolve grub-probe error: disk lvmid/xxx not found

I encounter an error stating "lvmid not found" when running the grub-probe command. # grub-probe --target=fs_uuid / grub-probe: error: disk `lvmid/R9xUrf-ONd8-wCXx-qfxt-m5Ox-JwKG-LrcAZI/...
teityura's user avatar
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Ubuntu Dual boot feature for creating Windows-10 + Windows-11 dual boot

I recall that I have been able to easily build a dual boot Windows-Ubuntu system by: Installing windows-10 Booting Ubuntu from USB and installing alongside existing windows. The second step includes ...
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grubx64.efi made with grub-mkstandalone fails to start under SecureBoot

Using Ubuntu 20.4 with GRUB2 2.04, Shim 15.7 (I think) I've been following the Simon Ruderich guide to "Secure Boot with GRUB 2 and signed Linux images and initrds" When booting with the ...
Simon's user avatar
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Cloud-init: how to get kernel parameters into the grub config files during autoinstall on 22.04?

I proceed struggling my way through the cloud-init and it's documentation. One of my current challenges is getting the cgroups flags for the kernel into the grub configs. The ultimate goal is to get ...
Boris's user avatar
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Bootloop after installing dualboot kubuntu

when installing kubuntu, the system tell an error (but i didnt notice it because it says restart my laptop). after restarting my laptop it bootlooping. blinking twice in lenovo logo (my laptop is ...
Kirito Odomoru's user avatar
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Try to setup autoinstall in Ubuntu 22.04 LTS booting through iso and use https://x.x.x.x./user-data to install unattended in VM not working

Autoinstall skips after searching for cloud-init and drops back to manual install interactive menu. Why is it not picking up the user-data file? Ubuntu 22.04 LTS I am trying to boot by editing grub: ...
Sudhakar Sankaranarayanan's user avatar
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Grub2 config & nvidia driver updates

I have a few issue with my Ubuntu 22.04.3 configuration. Every few months I am prompted to update my nvidia drivers, and without fail it will black screen after the install. I go through removing the ...
deposition's user avatar
2 votes
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920 views

ACPI Errors cannot be hidden

after the installation of 22.04 (kernel 6.2.0-33-generic) on a new PC (MB: Asus TUF GAMING B760M-PLUS, CPU: i5-13600k, GPU: Nvidia RTX 3060) I get quite a long list of ACPI Errors. They don't seem to ...
werefkin's user avatar
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How do I integrate an existing Ventoy Disk into Grub?

I use Grub to boot Ubuntu and Windows. Added now an additional SSD that was set up with Ventoy (latest version). I spent hours today trying to find instructions on how to include Ventoy in my Grub ...
Hardy Thiergart's user avatar
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Create Custom Ubuntu ISO Installation Medium

Modifications of the Ubuntu ISO would be great in offline installations for my purpose. There is Cubic, but for what I've been doing it has only attempted to create Live CD type setups. What I am ...
DaFuze's user avatar
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Grub dual boot results in windows error code 0x000428

For some reason I am getting an error when trying to boot into windows boot manager. The error code is 0x000428 Windows cannot verify digital signature. I know it is not an issue with the windows boot ...
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How can I check whether Memtest86+ has frozen or is irresponsive due to running a test?

Due to the comment on my question Why low swappiness (10) leads to system crashes? I decided to run memory test. When It starts automatically with the default "Fail-Safe" option, the screen ...
abukaj's user avatar
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Dual-Boot(Ubuntu/ArchLinux ): configure Ubuntu's GRUB2 to boot both OS

I have ArchLinux installed with NON-UEFI (since last edit its UEFI now) on /dev/sda4 partitioned with LVM2 containing two logical volumes (/vgarch/arch_root & /vgarch/arch_home) , since i have ...
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SSD M.2 cannot read after removing invalid GPT partition

My laptop has intel CORE i7 8th Gen processor. I had Ubuntu Mate 22.04 on 256GB M.2 drive, and Windows 10 on another HDD drive. I got a new 512GB NVMe and I wanted to clone my Ubuntu to it to use the ...
Eihab Ahmad's user avatar
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Ubuntu efi not mounted in correct partition but opens in ro mode

I recently got a new PC, and grafted my old SSD into it. I worked with a dual boot, and set up the windows end first. This wiped the previous windows, but kept its boot files (including an efi), while ...
QuantumFeelsTheory's user avatar
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Cannot log-in to any user accounts

Our IT department has experienced rather high turnover in recent months. We have one computer running only ubuntu, we believe it's to manage the phones but to be honest we're not sure. I can only ...
Trevor 's user avatar
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When I first install Ubuntu22, the CPU has been disabled by the guest operating system. Power off or reset the virtual machine

I'm sure that i had opened the relative settings in Bios,for I can use the Ubuntu 22 on VMWARE.I've done a lot of experiments,but it's difficult to solve. I doubt that my Ubuntu init has some ...
lily sweety's user avatar
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3k views

UEFI Secure Boot:- bad shim signature

Before proceeding I don't want to disable the Secure Boot option. I need a solution, not a workaround. I have a humble setup using dnsmasq and the dnsmasq built-in tftp to give me a PXE server. I am ...
Mubeen's user avatar
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How to disable this grub menu while boot on ubuntu 22.4 LTS?

I have installed fresh Ubuntu 22.4 LTS and noticed a grub menu when booting. I don't need this and i want to disable this. I have tried grub timeout 10 to 0 and many grub editing but this still ...
Mesba Khan's user avatar
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Why doesn't open (K)Ubuntu boot when my 2nd NVMe is attached? (Not dual boot)

My laptop: Acer Predator Helios 300 PH512-52 My setup: 2 M2 NVMes, 1 is 256 GB and the other is 1 TB. Yesterday, I have decided that I want to keep remove windows completely and continue with Linux. ...
Mahmoud Amr's user avatar
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123 views

Can't boot on clean install Desktop 22.04.3 or 23.04 versions

Have to preface that I'm quite new to Ubuntu and Linux as a whole, so I'm very confused on how to update parameters in the installed files. In essence I need some ELI5. I'll take it from the top. I ...
Onyvox's user avatar
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Booting Ubuntu 20.04 DVD on Athlon 64 results in Grub unknown filesystem error

dug up an old PC (Athlon 64 x2 4400+) I built many years ago and want to see if it runs a "recent" version of Linux ideally Ubuntu. However booting from DVD I get Grub unknown filesystem ...
Trev's user avatar
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726 views

Ubuntu installation creating /boot/efi on the same partition as Windows Boot Manager?

So I'm installing Ubuntu 23.04 alongside with my Windows 11 (on the same drive). The Ubuntu installation forces /boot/efi to be on the same partitions as Windows' (that famous 100mb one). I've read ...
Paulo Presa Evangelista's user avatar
1 vote
2 answers
356 views

grub menu not showing ,only boots to ubuntu 23.04 instanteously in dual boot with windows11

now i upgraded from 22.04 LTS to ubuntu 23.04 stable .after that ubuntu only boots.no grub menu displayed.No way to boot into windows.how to restore grub menu?
alagiri's user avatar
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-1 votes
1 answer
412 views

Dual-boot with or without Grub?

I need to install Ubuntu alongside my Windows system. Since it is going to be on a separate disk, I am not sure if I should go for dual-boot with Grub or simply install Ubuntu totally separately on ...
tokintmash's user avatar
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272 views

Ubuntu 23.04 Black screen with a solid cursor after boot

I've been facing an issue with my Lenovo Thinkpad P14s where I see a blank screen after booting into ubuntu 23.04. After boot I don't even see the login screen instead I just see a blank screen with a ...
Saif's user avatar
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75 views

grub not showing after I deleted efi partition on HDD even though ubuntu is installed on SSD

I used to have 2 OS: windows 11 and ubuntu, windows was installed on my SSD and I replaced it with ubuntu, but after replacing grub was working just fine, but I tried to clean my hard drives so I ...
Muhammad Aldriny's user avatar
2 votes
1 answer
162 views

Dual boot on separate disks and esps: grub not launching and seeing windows

I had a Windows installation on nvme ssd with efi partition and a clean ssd to install Ubuntu 22.04 on. I did everything as suggested in here i.e. turned off boot and esp flags on windows efi ...
Arzybek's user avatar
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Do I still need to turn off some flags while installing Ubuntu with Windows?

I remember that when I was installing older versions of Ubuntu I needed to turn off some flags in Windows efi partition just so Ubuntu doesn't install in that partition. Right now it's a version 22 ...
Arzybek's user avatar
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1 answer
610 views

Ubuntu 22.04 desktop computer would not boot due to mount issue

Regards, I misplaced the USB backup drive, I guess due to a dependent binding mount point, it would not boot. A message did appear.... ( 13.098039) EXT4-fs (sdc1): VFS: Can't find ext4 filesystem ( ...
Nishnabe's user avatar
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24 views

Dual boot option not showing Instead showing GRUB

I dual booted one of my friends laptop with ubuntu and windows 10. When i first restarted, it was restarted successfully and there was boot options and i choose linux as my OS. But after a while when ...
Asfaq Mahmud Saif's user avatar
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Dual boot for two drives (the second drive for Windows data and Linux file system)

I have dual boot for Windows 10 and Ubuntu 22.04.3. The specific of my parts is that the first drive is fully for Windows, and the second drive is parted for both Windows files (no boot part) and for ...
Jr_vv's user avatar
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1 vote
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How to boot to a Ubuntu Live USB, in “Try Ubuntu” mode while Ubuntu is installed in my Laptop?

I want to assign unallocated space to Ubuntu partition and following this. I installed Ubuntu by USB, and now I cannot find Try Ubuntu mode, when start my laptop, with USB containing Ubuntu I ...
Thành An's user avatar
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1 answer
163 views

Discovery kernel update 5.15.0-83_lowlatency won't work with Nvidia 470, How can I revert to 5.15.0-52?

I made a error with Discover update with my Ubuntu 22.04 system. Updated it from linux 5.15.0-52-lowlatency working with 470 nvidia driver to linux 5.15.0-83-lowlatency and it used the nouveau open ...
Nishnabe's user avatar
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1 vote
1 answer
311 views

How to run kexec with currently running kernel and initrd

I'm currently login as "root", I want to use kexec to load a new kernel from the currently running kernel and then login as "normal_user" when booting the kexec kernel. Here is an ...
stackbiz's user avatar
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2 votes
0 answers
127 views

grub error on installing ubuntu on dual boot with windows

I have tried to install Ubuntu latest version on my computer hp pavilion dv6 using rufus i have copied Ubuntu iso image on my flash drive and restart my pc , on bootloader option i chose my flash to ...
Eiman Maghfouri's user avatar
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70 views

Black screen before grub after nvidia driver update

Yesterday I updated the NVIDIA driver on my computer to the 535 version (the old driver is the open source xorg). My graphic card is Geforce MX150. That was probably a wrong driver install. But then I ...
Nhật Khôi's user avatar
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311 views

Batocera to bootloader

I have installed Kubuntu and windows on same disk. My system also have a secondary drive (M.2) with batocera on it. I want to add the batocera line into the grub to have the ability to start from ...
Jaime A Becerra's user avatar
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45 views

Unable to enter password in terminal

Ubuntu is not working correctly. Keyboard up and down arrow behave wrong. In terminal i am giving correct password but it says sorry try again. And if i press down arrow in keyboard it's makes unusual ...
Izaz Ahmed's user avatar
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40 views

Grub not populate my windows ssd

I have Ubuntu 22.04.3 LTS installed on one ssd and windows 10 installed on another ssd. My issues are as follows: My grub does not automatically show when i boot up computer; I have to hit the esc ...
relentlessguy's user avatar
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6k views

Minimal BASH-like line editing is supported... Error(too many Huffman tables)

Today, I encountered the following error upon booting Grub: GNU GRUB version 2.06 Minimal BASH like line editing is supported.For the first word,TAB lists possible device or file completion.Anywhere ...
Blue's user avatar
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101 views

Acces hidden GRUB2 Boot Menu in boot proccess

I want to hide GRUB2 boot menu in Ubuntu 23.04, but it can open from booting proccess as I want. I try to add GRUB_TIMEOUT = -1, but it can't hidden and still showing. My /etc/default/grub file as it :...
Moh. Anif Yuliansyah's user avatar

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