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

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Booting USB with LiveCD GRUB

Under VMWare Player, I cannot boot directly Ubuntu 14 from an USB drive, so I would like to start with the LiveCD and boot from GRUB, issuing a custom command. Is that possible? What should be the ...
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78 views

Any problems on multi-boot in case of free upgrade from Windows 7 to Windows 10?

I use Windows 7 on a multiple-boot machine (beside Win7, I have different Linuxes, using Grub). I want to freely upgrade Windows 7 to Windows 10. Will the procedure have some impact on the ...
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Boot from mass storage in GRUB2 error

So I want to install a new system using liveUSB. However the .iso file is avout 5.5GB big and the only thing that can handle such capacity is my SD Card (16 GB, pendrives are only 4 GB). I've made the ...
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25 views

Changing SATA speed on HP Probook 6560b with Transcend SSD370

I have an HP Probook 6560b with updated BIOS version F.60 Rev.A (31 Mar 2015) and a Transcend SSD370 256GB SATA 3 SSD. On that I run Debian 8.1 with grub2 (not grub-efi). The default setting in BIOS ...
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37 views

Win XP, Win 8 and Linux in Grub2

For the following setup: kellogs@kellogs-PC:~ > sudo fdisk -l [sudo] password for kellogs: omitting empty partition (5) Disk /dev/sda: 160.0 GB, 160040803840 bytes 255 heads, 63 sectors/track, ...
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7k views

Dual-booting Kali Linux and Windows 7, error with file: “\NST\AutoNeoGrub0.mbr”

I have tried to install Kali Linux 1.0.6 alongside my current OS - Windows 7 64 bit. I have a Dell computer, with SSD hard drive only (256 GB). At first I tried installing Kali a few times and made a ...
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1answer
33 views

Failing to boot after disk cloning

I had the following configuration of partitions on old 160GB disk: /sda /sda1 - 100MB - NTFS - System Recovery (hidden Windows partition) /sda2 - 75GB - NTFS - Windows /sda3 - extended ...
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2answers
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How can an OS change the boot order?

On a machine that uses UEFI and GRUB to boot I've witnessed Windows decide to change the boot order. I thought boot order was only the business of me and my motherboard and simply non-existent in the ...
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How to unrestrict menu entry after grub2 menu mix-up?

How to unrestrict (no password required) only the Windows OS boot menu entry after installing, Grub Customizer and password protecting the grub menu options? What i did, 1. Installed Grub Customizer ...
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20 views

Grub2 on msdos table partition won't load

my laptop has: 500gb hdd /dev/sda 22gb sdd /dev/sdb I used to boot archlinux from a small ext2 partition on /dev/sda. The bios is set to use BIOS mode (not uefi), secure boot is disabled, AHCI is ...
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41 views

Can I safely convert my disk to GPT using diskpart with GRUB 2 installed?

I am wondering whether I would be able to convert my disk 0 (with my system partition, Windows partition, and Ubuntu partitions) from an MBR to GPT disk without loss of data and still being able to ...
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Debian grub2 syntax error

I recently upgraded Debian to Jessie, and the grub2 menu entries appear like this: menuentry 'Debian GNU/Linux, with Xen hypervisor' --class debian --class gnu-linux --class gnu --class os --class ...
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1answer
41 views

Grub2 immediately boots into Linux

OpenSuSE 13.2, running grub2. SHORT VERSION: Yesterday I had a normal grub2 boot menu and could choose to boot (successfully) into Linux or Windows. Today, I see the grub2 header displayed for a ...
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2answers
2k views

Edit boot menu when booting from a live CD

My laptop has a nomodeset problem; check the link for more info. Basically, I would need to add nomodeset in grub in order to boot any linux distro. If I want to use a distro, I'd need to install it, ...
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49 views

GRUB 2 stops dual booting Windows 8

I own a laptop with two hard disks. Windows 8.1 is installed in UEFI mode on the first disk, and I recently installed Gentoo on the second one. Now I want to be able to select the OS on boot in GRUB2 ...
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25 views

Minimal linux USB with Grub

I've been using this site for quite a long time now, and today I have a question for you. I have several PCs with dualboot between windows and Linux, and recently after upgrading one to windows 10 my ...
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1answer
48 views

Can't access Windows after linux mint update

I have a dual boot system with Windows 7 and linux mint. I recently updated my mint distro by installing the new version (in the process eliminating the older version.) I can now use linux mint fine ...
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1answer
62 views

Invalid partition table

Before getting this "invalid partition table!" warning, I successfully installed Debian and Ubuntu side by side. No problem, no boot warning, no mess with grub, everything ok. But yesterday I decided ...
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131 views

Grub rescue command line, chainloading Windows 7 installer

I currently have grub2 installed on a Baytrail tablet along with Ubuntu 14.10 (64-bit) and Windows 8.1 (32-bit). The tablet comes with 32-bit UEFI only firmware, and a 64-bit atom processor. Using ...
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2k views

From GRUB2, boot an ISO in an LVM2 logical volume

tl;dr - Is it possible to boot from a .iso file that is located in an unencrypted lmv2 logical volume? How? I'm trying to set this up in a VirtualBox VM before I do it for real with my laptop. I have ...
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52 views

Unchaining grub2 and windows bootloader(s)

I would like to find out if it is possible to unchain grub2 and windows boot-loader and I could not find a convincing answer anywhere, perhaps it is just not possible... The situation is as follows: ...
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86 views

Windows XP missing hal.dll error after installing Ubuntu

EDIT: The problem is due partitioning, most of the following might've not influenced the outcome. I was dual-booting and I wanted to make some unspecified partition space and I've decided I didn't ...
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71 views

how to rename the Linux OS name installed in USB stick (LIVE USB)

I am looking for the solution for modifying the query. The requirement is as follows Installing the Any Linux OS in USB stick, here i have installed Fedora 21. Now I need to rename Fedora OS to "Nik ...
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USB Boot only works part of the time

I have been having problems booting off of my external USB drive, or usb flash drives. Oddly enough, it works, some of the time, so this is not a case of invalid configuration or non-bootable disks. ...
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4answers
337 views

Install grub on a disk drive by UUID

There is a way to indicate to grub to install on a device MBR by UUID instead of using /dev/sdX ? I'm setting a external eSATA hard disk with NixOS, and obviusly, the hard disk not would be always the ...
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10k views

Can't go into BIOS to change boot device

I completely erased my Hard Drive and installed Ubuntu 13.04 on my Lenovo B570 laptop. After a few months of using it I wanted to remove it, so I reboot my computer and pressed F12 (MultiBoot List.) ...
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IPXE booting with changed MAC address (eth0 hw address)

my internet provider recognizes users by MAC address. I have made up my mac address and now I have problem. I want to boot arch netinstall via pxe... but I cannot change my MAC address easily. ...
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1answer
191 views

grub-update and “/usr/sbin/grub-probe: error: unknown filesystem”

I've got a Debian 7 Wheezy (stable release) and my GRUB suddenly refuses to see one of my partitions. It is an OS X HFS+ partition on the GPT disk. This behavior was introduced in the month or so and ...
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107 views

How to register/convert a restored linux OS (bios) to EFI booting

First let me explain my current set up. I recently scrubbed my two main drives and converted them to GUID. On the primary drive (sdb in my case) I have created an EFI boot partition (ESP) on ...
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1k views

How to boot Linux with extlinux

EDIT: Just adding my two more cents after this question becomes a "popular" one. I had been a great fan of grub because it was able to boot everything that I used. However, when grub2 came, I really ...
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How do I set up Grub properly to quad-boot Windows, Mac OS X, Linux, and FreeBSD?

Grub has gone completely insane on me. My quad-boot system was working great up until I upgraded Ubuntu to 12.04. Since Ubuntu overwrote the Grub stuff I had to repair it with my Mac OS X and FreeBSD ...
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Windows 7 screen not displayed after installing Ubuntu

I bought a new Lenovo laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS ...
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1answer
37 views

Trying to Fix MBR

I first decided that I wouldn't need Windows anymore, so I deleted it when I installed Ubuntu (I realized how wrong I was: no visual studio nor texnic center). Now I tried getting Windows back, so I ...
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How can i use a windows 8.1 mounted usb to repair a corrupted windows 8.1 that's on grub?

So I have a windows 8 partition stuck on "your pc needs to be repaired f8 for tools and enter to continue" both options make the screen flicker black and stay on the same page.. winload.exe is the ...
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73 views

Which partition manager to use for dual-boot Windows, Linux on SSD? [closed]

I have Windows 8.1 and Linux Mint dual boot (Grub) on an SSD disk. I want to resize Windows partition to take less space and give it to Linux. I don't want to mess up my computer, so I wanted to ask ...
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1answer
2k views

Add windows partition to grub2 boot loader in centos 7

I had windows 7 installed on my laptop. Then I installed centos7. Installation completed successfully, but when I reboot I can see only centos and centos recovery. I did not see windows partition. ...
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Windows 7 load from GRUB 2.02 beta, Fatal System Error

So, I have a dual boot pc, with Ubuntu on one disk, and Windows 7 on another, in a separate partition. A couple of days ago, I tried to log in to Windows, and have been getting this message ever ...
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39 views

Is there a way to randomize GRUB2 boot loader background?

Is it possible to select a random background for GRUB2 during boot-up from a folder? I tried to add a small script to the /etc/default/grub file but it must be updated manually to select a random ...
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21k views

Searching for grub configuration file in CentOS 7

Im searching for grub.conf file in CentOS 7. I cant find it with locate(I called updatedb before). Where does it stores? In older versions of CentOS I could find it.
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186 views

how to get grub menu back in tripple-boot setup

I have windows 8.1 preinstalled on my laptop I installed Linux Mint 17.1 for a time and dualbooted then I decided to also install Windows 7. After this I can just boot into Windows 7 and Windows 8.1. ...
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1answer
2k views

Cannot find grldr in all devices

I'm running wubi on XP machine. Started out originally with 8.04, and gradually upgraded to 10.04. Recently, I was creating linux bootable USB drive, and put it in my system to see if it would work. ...
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1k views

Grub error before menu, cannot see what it is, flashes and continues. How to halt on grub error?

Always, when I boot my system, I must witness a flash of error right before the GRUB menu pops up. It goes like this: Loading Operating System. GRUB Loading. Welcome to GRUB. error .... Then it ...
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Change grub2 behavior

I installed fedora on my computer. GRUB is different. The last grub I had showed no menu and allowed me to press SHIFT key to bring up a menu. GRUB2 shows a complete menu and takes 5 seconds to boot ...
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1answer
252 views

Replace Linux Boot-Drive | ext3 to btrfs

I've got a headless server running Debian Linux currently. Linux vault 3.2.0-3-686-pae #1 SMP Mon Jul 23 03:50:34 UTC 2012 i686 GNU/Linux The root filesystem is located on an ext3 partition on the ...
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39 views

Running a command as another use with different permissions

I use a heavily locked down Linux system with GRUB's built-in verified boot mechanism. Consequently, I have to sign the kernels, GRUB modules, and configuration files in /boot every time I want to ...
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155 views

Grub from ubuntu and grub from Mint

I installed Ubuntu 14 in a partition of my computer having Linux Mint 17 installed. Then I uninstalled Ubuntu and the grub dissapeared and I couldn't use anything, so I reinstalled Ubuntu and the grub ...
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2answers
2k views

Boot Acronis true image and Clonezilla ISO image alone side windows 7 , Ubuntu 14.04.1

I want to create boot menu it can be boot from my (installed OS) Windows 7 and Ubuntu 14.04.1 I can add Windows 7 alone side Ubuntu in "Grub 2" with "Boot-Repair" but i can't boot Clonezilla and ...
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2k views

Linux Mint livecd does not recognize Windows 8 partition

My system has two SSDs. I re-installed Windows 8 onto the disk0. I want to install Linux mint on the other SSD. Secure-boot is disabled, fastboot is disabled, csm is enabled I run Linux Mint 16 x64 ...
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1answer
9k views

Dual boot (Windows 8 + Linux Mint 17) UEFI system boot windows only

I have been working on a dual boot system with windows 8 preinstalled and linux mint 17 for a month or so. After applying an update in linux grub loader does not appear and system only boots windows. ...
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Grub2 error: out of disk. On fresh install

Fujitsu-Siemens Amilo mini UI3520, HDD replaced with an SD card adapter. In the SD card adapter there is a fake oversize SD card from china, with a partition containing the working sectors only. The ...