GRUB (GRand Unified Bootloader) is a multiboot bootloader from the GNU project. This tag is for questions relating to the legacy version of GRUB. Use the GRUB2 tag for questions dealing with GRUB2, a rewritten version.

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How do I migrate Windows 10 and Grub to a new Hard Drive?

I have two drives: C:, which contains a Grub bootloader and Windows 10, and D: which contains an NTFS partition and also all my Ubuntu partitions. I would like to replace my C: drive with a new (...
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41 views

Shift key doesn't work for GRUB boot loader

I have absolutely no idea on how to get to the GRUB loader. I have an iMac with Ubuntu single-installed(if that affects anything). I tried using shift and right-shift on bootup, and I get an infinite ...
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18 views

Need explicit steps on how to prevent “GRUB RESCUE” issue when installing dual-boot Ubuntu

Now, there are many questions on how to fix this.My question is how to prevent it from happening. Currently, I have 2 hard disks. The first one has only Windows 7 Home Premium partition C: while the ...
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46 views

Where to find docs about multiboot2 cmd in grub2?

GNU docs almost nothing about multiboot2 command (although I could find linux, boot commands in the 14.3 The list of command-line and menu entry commands section), and enter link description here ...
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Grub not booting correct Windows

I recently installed a SSD and cloned my C: onto it. When I select the SSD Windows boot (sde1) in the grub bootloader, it still boots up the old Windows boot on sdc2.
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dd'ed the partition my debian was running on, now I get 'unknown file system'. how to make the (surviving) files accessible again?

details: Wanted to create linux boot stick with dd command (1,1 GB iso) Copy paste mistake led to dd'ing this iso to the partition running my debian jessie (sda1) After reboot I get 'unknown file ...
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57 views

Vboot vs open source grub?

I'm trying to use vboot from vmlite to boot my computer from a vhd and there are two downloads available the trial version of vboot and the open source grub used in vboot. What is the difference ...
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46 views

Linux Mint startx won't load after update

i recently updated my linuxmint. I do not remember which version i was using and to which i updated, most probably it was updated to the latest. After finishing the update, i rebooted my PC and it ...
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16 views

How can restore Windows 8.1 after installing KALI Linux?

I've installed Kali Linux over Windows 8.1. Following listing presents my disk layout. fdisk -l -u output Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors Units: sectors of 1 * ...
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122 views

After Windows 10 upgrade + grub fix Windows takes too long to boot. (elementary os dual boot)

I had Windows 8.1 installed (+ elementary os) and boot time was normal. Then I upgraded to Windows 10 and grub disappeared. I fixed it by using this command: "bcdedit /set {bootmgr} path \EFI\ubuntu\...
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Setting up GRUB on another disk with configuration file

Suppose I have an external hard drive. This hard drive has one partition starting at sector 2048. This partition's file system is ext4. Now suppose that I wish to install GRUB 2 to this external hard ...
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38 views

Grub2 with BIOS and EFI support

I am trying to create a multiboot usb. I want it to be as universal as possible which means it should be able to at least be able to boot from EFI and legacy BIOS computers. So far I have installed ...
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7 views

Windows 7 appeared on Grub without partitioning

I recently noticed that in Grub, I have the option to load into windows 7 (with the path /dev/sdb1. This is strange because I haven't partitioned my disk or installed windows 7. If I select the option ...
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143 views

Remove Old Grub Loader From Second Drive Without Linux (Windows 7)

I have two drives. One small SSD which windows 7 is installed on. One terrabyte hard drive from ages ago. It has all my data and steam games. I just got a new motherboard and CPU so I reinstalled ...
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63 views

Getting Grub to display the boot menu before attempting to decrypt

I wasn't able to find a guide on this anywhere online - I'm dual-booting with Windows and an encrypted Arch system (following the guide found on the Arch wiki), both show up fine in my GRUB boot menu, ...
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20 views

Can initramfs chainload another boot partition?

Is it possible to use an initramfs to boot another disk / partition? I'm looking for functionality similar to GRUBs chainloader. I need to boot a disk, do some stuff, mount a second disk, boot the ...
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452 views

Is it possible to install Linux and Windows on a M2 SSD and setup a dual boot with grub or other?

My goal is to be able to switch between linux and windows very fast so I'd like to make two partitions on a M2 SSD (Samsung SM951 512GB), one for linux and one for windows. Then I would like to be ...
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116 views

GPT Windows 10 and Linux Mint 64 bootloader error

I have recently upgraded (via clean install) to Windows 10 Professional 64bit and installed it as my main OS. For the purpose of my thesis I have also installed Linux Mint 17 64bit. Both of them are ...
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64 views

Dual booting Windows 10 with existing Arch install

My PC has Arch Linux installed already, how will I dual boot W10 ? Will it replace grub with Windows boot loader ? Will it erase arch altogether ? Thanks !
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49 views

How do i boot a file system read only?

Need to tune2fs for a flash based root-fs and it's asking me to do it in 'ro' mode. deathstar> tune2fs -O '^has_journal' /dev/sdc1 tune2fs 1.42.12 (29-Aug-2014) The has_journal feature may only be ...
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58 views

Asus Zenbook UX32VD cant start Linux after dualboot

I have such laptop : Asus Zenbook UX32VD Installed there ubuntu by this tutorial http://www.everydaylinuxuser.com/2014/05/install-ubuntu-1404-alongside-windows.html alongside with windows 8.1 Now I ...
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78 views

Lenovo W540 w/ Dualboot Win7/Ubuntu 15.04 restarts 3 seconds after Grub

I have a Lenovo W540 which is almost 3 years old and has served me well so far. 2 weeks ago I finally got around to reinstall Ubuntu on it and I went with 15.04 (previously I had an old version on it ...
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35 views

I have 2 GRUBs on different HDD. How to make one common?

So, I had dual boot system : Window 8 and Arch (both on the /dev/sda, but different partition). As far as I know, grub was installed on the partition with Arch, because I added windows boot loader ...
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70 views

No GRUB menu on boot - PC directly boots to Windows

I have ubuntuGNOME 14.04 alongside windows 8.1. I've been using it for about a year now. Earlier today, I noticed that GRUB OS selection menu doesn't appear anymore. In order to rectify the issue I ...
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168 views

Volume group holding /root not found on boot

I've just installed Debian 8 on a flash drive: here is how I have partitionned it: iago-lito@opak$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 ...
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119 views

How to make keyboard working in GRUB 2?

I'm using Windows 10 Home parallel with Ubuntu 14.04 on Lenovo ideapad S400. Every time grub bootloader appears I'm not able to select operating system, because keyboard is not working, so it always ...
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275 views

Kernel panic on MacBook Pro with Mac OS X 10.10 (Yosemite), and also with Ubuntu 15.04 (64-bit)

I had a kernel panic on my MacBook Pro, which led me to erase everything from it, and install Ubuntu 15.04 (64-bit) on it, from the mini iso, with the choice of erasing everything on the hard drive. ...
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7 views

GRUB not listing extended partitons

So I just installed Arch Linux on a external drive. I created a extended partition and created swap and root partition inside. There is another partition with old files. The problem is GRUB doesn’t ...
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30 views

KaliLinux only boots from flash drive

I've finally "successfully" installed Kali Linux onto an older HPG60 that originally ran Win7, from a mulitboot flash drive. Now after I downloaded all the packages I needed, and restarted the PC it ...
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526 views

Can't boot into windows months after install Kali on a partition

A few months ago I installed Kali and GRUB using this tutorial, http://docs.kali.org/installation/dual-boot-kali-with-windows and it's been great, but recently after about two weeks of not using ...
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26 views

corrupted filesystem in Ubuntu

I was using Ubuntu 15.04 in a Vmware virtual machine. In the last three shutdown processes, they spent extremely long time, therefore, I forced the VM to shutdown by pressing the shutdown button in ...
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98 views

QEMU using GRUB not responding to keyboard input

My operating system is Windows 7, but I am running QEMU inside VirtualBox because for several reasons that do not need to be listed here. Let it be known that I have run QEMU using the UEFI OVMF as ...
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11 views

Error while trying to ./configure (installing bootloader manager)

I'm having a problem with my bootloader - I have installed android along my other OS and if I install grub ( which comes with it ) my boot menu disappears and I can only access android through its ...
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40 views

Install Linux /boot to Custom Directory Within A Partition?

I have 3 Linux variants I would like to install (Kali, Fedora, and ArchBang). My laptop has 2 internal HDDs. My partitioning style is BIOS/MBR. The first drive currently has Windows 7, an empty ...
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51 views

Ubuntu, unable to boot from CD, option missing in BIOS and grub

some time ago I switch from windows to ubuntu and at that time, I formated my hdd and created new partitions. NAME FSTYPE SIZE MOUNTPOINT LABEL sda 698,7G ...
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75 views

GRUB and Windows on a Revodrive 3

I came across an interesting problem: My Windows 10 installation is on an OCZ Revodrive 3 (EOL). To detect the Revodrive during installation a driver is necessary. I recently started using Linux (...
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104 views

GRUB2 not seeing hard drives after reboot

I have three hard drives installed: /dev/sda1: LABEL="Wiederherstellung" UUID="044AE97A4AE9693E" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="549b8c2d-7c9a-45b4-8de2-e4177da085ea" ...
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47 views

Missing /grub/stage1 file

My situation goes like this. I have a SW-RAID1 setup on the server. Unforunately, it is only able to boot from device sda, without it. The server will not be able to boot up using device sdb. So after ...
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13 views

Add variant with other options to default entry in GRUB

There are several tutorials around how to add a new static menu entry to GRUB. However, I like to add a variant of the default entry (eg. booting the most recent linux kernel) with some other kernel ...
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182 views

GRUB multibootloader issues, Kali Linux

I am having a massive amount of trouble getting GRUB to setup multi-boot on my computer, I have 3 seperate drives, one with Windows 8.1, one with Kali Linux and one with OS X Install which is '...
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74 views

GRUB2 load other Truecrypt disk with rescue disk

I am trying to automaticly load my Windows encrypted partition with a keyfile from my GRUB2 but my Windows is on another disk. My layout at the moment looks like this NAME MAJ:MIN RM ...
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92 views

Fedora 22, Boot Order

I cannot get Fedora (22) to boot from a USB. It has Ubuntu on it and I've decided do most of my dev stuff on there to avoid compatibility issues between my desktop (Windows) and my laptop (Fedora). I ...
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77 views

Move Linux EFI to SSD

I have a Linux Mint 17.1 EFI installed on 500GB HDD. I would like to move it to new 120GB SSD. I resized partitions to fit 120GB SSD and did "ddrescue -v --force /dev/sda /dev/sdb" from LiveUSB but ...
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28 views

Why can't grub boot Windows directly?

According to Wikipedia, LILO used to be the default boot loader for most Linux installs, and could boot Windows. Grub, however, can't boot windows directly, but rather calls the Windows boot loader, ...
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37 views

Prevent grub2 after resuming from hibernation

I have a dual boot setup with Windows 10 and Ubuntu 14 LTS. Windows 10 was installed after Ubuntu so Grub2 was overwritten, so I reinstalled it. Now after I turn my PC on after hibernation it loads ...
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185 views

Boot Windows from GRUB via virtual hard disk

Building on Is there a Linux equivalent for VHD from which it can boot? Is there any way to boot Windows from GRUB such that it is running from a virtual hard disk but everything else is on bare ...
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64 views

grub2 not booting linux

My computer has Internal SATA HDD (/dev/sda) that has linuxmint-13 on it. /dev/sda1 = linuxmint-13 /dev/sda2 = extended partition /dev/sda5 = swap External USB HDD (/dev/sdb) that has linuxmint-17 ...
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62 views

Enabling FIPS for openSSH causes freetds to not work

I have two CentOS 6.7 machines (server A and B). Same package versions are installed on each system. Last week I enabled the openSSH FIPS 140-2 module on Server A, and that system works flawlessly (...
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65 views

Fedora Live Boot 'loopback' not found

I am trying to boot Fedora ISO from Harddrive. I have placed kernel, iso and initrd at the root of the file. And placed the loopback.mod at /EFI/BOOT/i386-efi/loopback.mod. My grub.cfg, the menu ...
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34 views

After adding RAM to laptop Windows not loaded from GRUB loader, but Linux works fine

I have a laptop which had 8 GB DDR3, and I've added 8 GB more. I also have Linux installed (12.4) and Windows 7 Professional working via GRUB loader. So Linux works fine and sees all 16 GB ram, ...