Questions tagged [grub2]

Grub2 is Grub version 2, a multiboot bootloader from the GNU project.

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GRUB2 boot broken after Fedora 34

I just upgraded my HP zBook to Fedora 34. After the upgrade, Grub booting failed. The machine now just boots into a plain Grub prompt grub2> I can't see any error message during boot, maybe ...
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Increasing screen resolution of linux terminal using GRUB2

I need to change the screen size of Linux terminal, particularly increase the resolution and thus increase the space for output. Target environment: V.Platform : Oracle VirtualBox 6.1 Guest OS ...
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Can Windows Bootmgr load Ubuntu without needing a second reboot?

I have Windows 10 on an SSD in a DVD caddy (/dev/sdb) and Ubuntu mate on an HDD (/dev/sda). Both are Legacy BIOS/MBR on a Dell Laptop. I made a dual boot set up and tested putting GRUB on the Linux ...
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grub2-install boot loader on the GPT formated disk

I have a problem with hdd that is formatted to GPT with linux Fedora 28 on it, with working EFI boot. I had to move it to an old MB which doesn't support EFI. I can't or don't want to reformat to ...
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How to Remount EFI Partiton of Already Installed debian OS?

I earlier installed ubuntu, kali, mx Linux. Then due to disk space requirement deleted ubuntu and kali from windows. Also deleted efi partition for these Debian OS'es. Now i reinstalled ubuntu. From ...
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Making an API call in a GRUB script to select OS to boot

I have a computer with multiple operating systems and GRUB installed. The system is often woken up over LAN using a magic packet, but without someone being physically present, it's not possible to ...
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Bootable partition is not shown in the boot picker or the BIOS

So i couldn’t find my USB drive anywhere, and i thought i’d install Linux from my internal hard drive. Created a new partition, formatted as FAT32, and dd-ed the image onto it. I rebooted, and the ...
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Grub Shell: Boot without graphics drivers

At boot, instead of the usual Menu, I am greeted with the Grub Shell. I know how to set the linux kernel and inintrd image, but using the boot command also apparently loads the GPU drivers (my ...
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Booting Windows Installer on separate Partition via Grub2

I have the following (dumb) Problem: I have set a BIOS Supervisor password on my Laptop and forgot it. Because I have a modern ThinkPad a BIOS password reset is not possible without desoldering chips ...
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grub-install: error: embedding is not possible, but this is required for RAID and LVM install

On a Debian 10 (buster) system I've just tried to install the recent grub-pc update and for the first time I received this error: Installing for i386-pc platform. grub-install: warning: your core.img ...
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Trying to boot ESXi from USB using grub on another USB

I’ve installed ESXi to an G7 HP Server which doesn’t boot that ESX from USB Thumbdrive’s. So I created another thumbdrive with grub and try to boot from there… But all I see are the BIOS drive’s! ...
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Not able to boot in fedora after dual booting with Windows 10?

So, I have two disk on laptop(200 gb SDD, 1tb HDD) . On one disk, windows is there and other one has some applications files for the application on my windows OS. So, I decided to install fedora on ...
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Windows 10 replacing Grub for fedora? [duplicate]

So, I installed fedora on my system but the grub menu does not show up. I saw this post but it was for Manjaro. How do I do it for fedora?
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how to remove an entry in Thinkpad Boot Menu

So, about a year or so ago, I installed ubuntu on my thinkpad for the purpose of a hardware course. After the course was over, I used gparted to delete the ubuntu partition and then reclaimed that ...
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re-mounting a HDD after grub failed

I have a SCSI hdd caddy (that replaces my cd drive in my laptp) in my computer that is running manjaro with grub2 as the bootloader and this stack of software refuses to connect or mount the /dev/sdX ...
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Edit a RHEL/CentOS kickstart file prior to booting?

I have a CentOS 7 installation boot disk that has been modified with a custom Kickstart file. The intent is to use this disk for unattended installations of the OS. I've found that on a particular ...
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Fedora stuck in grub command line

My pc not starting and asks for selections: list After entering command line, i could not find proper boot and grub folder. These are my file system folders: folder folders So, how can set proper boot ...
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Hide Plymouth message “cryptsetup: luks-…: set up successfully” at boot

I am using Debian 10. I encrypted partitions (root and boot) and added the luks-keys to the initramfs so that the decryption happens automatically. When the system booting, the message "...
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Windows 7 - Windows Boot Manager Asks To Choose Between Windows 7 And Grub 2 For Windows

OK, So I Installed Kali Linux In Dual Boot With Windows 7 A Few Months Ago. To Place Windows As The Default Option In the boot sequence for GRUB, I installed this program called Grub2Win. It Didn't ...
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Full Install of Kali to usb - grub-install returns error

I have tried to install Kali Linux on an USB drive according to this article. I'm stuck at the 5th step. When I run this command: grub-install --target=x86_64-efi --efi-directory=/boot/efi --...
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Ubuntu boots, Windows doesn't on New PC with old SSD

I installed a new motherboard, cpu and ram but unfortunately my Windows won't boot. I have dual boot - Elementary OS and Windows 10. Elementary works just fine, but when I select Windows in the boot ...
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How to properly add GRUB to load from Windows Boot Loader?

I have a windows installation with BitLocker, it asks me to enter recovery code each time when I load it from grub, but if I press ESC and choose Windows boot loader at UEFI - it works properly. I am ...
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Unexpected EFI system partition ID on MBR disk

(Originally posted on stackoverflow, closed as off topic. Closing message recommended I ask on superuser instead.) I've been reading about the Linux boot process, and tried to orient myself by ...
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35 views

GRUB: Reboot PC after typing wrong password to decrypt OS partition

I have encrypted with LUKS the OS and swap partition on my laptop. When I boot if I type the wrong password it stops at the first attempt. This seems strange, but it's all right for me. The trouble is ...
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Can't access Linux (Manjaro) after Windows update

My Windows decided to update today. After it finished I couldn't get anymore into my Manjaro. I can't access the GRUB Bootloader OR the System Setup Menu (F2). Simply put, when I restart my PC (Asus ...
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Messed up my grub install. Can I fix it?

I had a dual-boot EFI-based Windows/Linux system, with grub2 pointing to an Ubuntu 18.04 /root partition in /dev/sda6. I tried installing Ubuntu 20.04 in /dev/sda5, which was a spare partition. This ...
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EFI partition deleted, GRUB reinstalled, but now can't see Windows

I recently messed up with my dual boot. I had 3 os: Kubuntu, with / partition on ssd and /home partition on HDD Kali, all on HDD Windows 10, with C on SSD and Data on HDD I was trying to install ...
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Beep on on boot

At boot, but before the start of the Kali Linux Live [2020.4] bootloader, two consecutive beeps occur with the text welcome to grub; I tried removing the ^G from menu.cfg, but it didn't work, and I ...
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grub2 does on actually boot LUbuntu + detailed explanation of grub2 cfg & installation

I have installed LUbuntu using LVM on a machine can only boot using EFI. It already had /dev/sda1 as EFI partition. LUbuntu installer used the rest HDD to create LVM Physical Volume with one single ...
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Restore Grub2 Menu after using Macrium to restore Debian 10

I have a BIOS System (Not an EFI) Dual boot with windows 10 and restored Debian 10 (Buster) image from Macrium. Problem is the Grub2 Boot Menu is not loading now as it did previously. I used Macrium ...
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Encrypted Ubuntu install fails to see bootable media

I'm running Ubuntu 20.04.1 LTS on a Lenovo Thinkpad X1 Tablet. I chose the encryption option when I installed. I'm now trying to live-boot from the Ubuntu install disk so I can re-size my Ubuntu ...
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Bootloader can't detect Deepin OS

I installed Deepin OS using Deepin boot maker and it installed successfully. After installation there was Reboot Now option. I pressed on this but bootloader didn't detect Deepin OS. But I could boot ...
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GRUB boot detection failed

I updated my image to ubuntu 20.04 from 16.04 and as a part of it upgraded grub to grub2. From the syslog, I am observing the following errors: Oct 19 10:30:10 host-1 systemd[1]: Starting GRUB failed ...
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Dualboot: Ubuntu not booting at all. Windows booting goes through GRUB command line

I installed Ubuntu in addition to my existing Windows 10 using a pendrive.But unable to boot into Ubuntu. Initially (before try 4), only Windows Boot Manager and the hard disks were visible in BIOS ...
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161 views

Potentially corrupt file system, unable to boot back into linux partition

I've had this issue for a while and not found any solutions on all the other grub related posts. I think this may have been caused by some windows 10 update that killed my grub config. When I boot I ...
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Restart dont work on linux

I have very weird problem i cant restart my computer on linux but i can on windows this happeing on all linux os i dont why i can anyone help me i dont want always shut dows to boot in windows. If you ...
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Multiboot: Windows + Ubuntu 18.04 + 20.04

I had already installation of DualBoot : Win10 + Kubuntu 18.04, It was 2 years ago, so I don't exactly remember how was it, but probably first was Windows and then Ubuntu created grub bootloader, ( ...
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grub-install issues on OSX

I downloaded and build the elf tools as well as objconv and grub using this info - https://wiki.osdev.org/GRUB_2#Installing_GRUB_2_on_OS_X I get an error when I try to install grub. sudo ./grub-...
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Cannot install Ubuntu 20.04 on Acer Travel Mate mmc card (grub install fatal error)

I have a Acer "acer travelmate spin b118-rn" with 64 GB emmc card. I have burned Ubuntu 20.04 into USB disk with GPT configured by Rufus. Booting from USB and try Ubuntu, then install, it ...
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Change bootloader of Window 10 with UBUNTU

I have Windows 10 Build 2004 and Ubuntu 20.04 Desktop installed on my System with BIOS Mode: Legacy. Both the OS running fine but When it comes to Dual Boot Selection Menu, by default Windows ...
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Unremovable Grub2Win Boot Manager. Windows 10 No Uninstall Button

I installed debian and other debian distro. But debian's bootloader couldn't list the other debian based OS. So i installed Grub2Win on my old 2011 32Bit laptop. There isnt a uninstall button and even ...
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Cant run kernel and also ubuntu

I was reboot my Ubuntu by using shutdown -r now in terminal. Than it run grub2 without run kernel. Just grub. After that in bios I click on Ubuntu to run but nothing change. Now I have a grub screen.
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371 views

Return to efi setup from grub commandline

EFI allows you to return to the EFI shell/setup when exiting a bootloader, thus it should be possible with grub(2), but I can't figure it out. What commands do you need to run? Of course you can run ...
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Why booting from .iso on HDD is stuck?

I download linux mint 20, also I try mint 19. I put them on btrfs partition. ( I also tried fat32 $ df -h Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev ...
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No direct Windows boot loader after Ubuntu installation alongside Windows 10 on HP Envy x360 UEFI Firmware

This might be a question with a lot of details required and I would try to provide all of them. I recently bought a new laptop HP Envy x360 15.6" Touchscreen 2-in-1 Laptop - AMD Ryzen 5 4500U - ...
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Ubuntu minimal bash like line editing grub2 error after installing Ubuntu

After installing Ubuntu I am having error at grub, bash like line editing. I am using uefi boot because legacy boot is also not working After some research I was able to login with some manual command ...
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977 views

Error : no such partition, entering in grub rescue mode

I am using Windows 10 and Ubuntu in my laptop. My windows was getting updated and during that process it was restarting several times. While restarting 2nd/3 rd time grub ran into problem. I am ...
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287 views

GRUB unable to boot into nvme

I have the following EFI partitions (from blkid): /dev/nvme0n1p1: UUID="1EED-77FD" BLOCK_SIZE="512" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="...
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Black Screen while trying to boot Windows in Dual Boot with Linux Mint

i just installed Windows on my Macbook today. Everything went fine. I wanted to create a dual boot to be able to use the adobe creative suite, to design on windows and to code on my prefered os (linux ...
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Custom linux kernel not booting w/ nVidia GT710

I've been using Gentoo for over 15 years now and decided to replace one of my machines with a brand new AMD Ryzen machine. But: I can't get it to boot with a custom kernel, whilst the standard ...

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