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

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Better way to quad+ boot operating systems?

I currently have Windows 7, Ubuntu 12.04, Fedora 17, and open SUSE installed. I currently use BURG boot loader to load up all the systems. However, BURG does not work with windows(I still manage) ...
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63 views

Grub 2, switch os when restarting

I dual-boot with Windows and Ubuntu. Usually, when I restart my computer, it is to switch os. Is there a way to tell it to Grub so that it preselects the right os in its menu when I restart my ...
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2answers
693 views

Replacing GRUB2 with Windows boot loader

I'm trying to replace GRUB2 with Windows' standard boot loader (bootmgr?), but I can't get it to work. My Windows 7 install is in a single NTFS partition, which is marked as active (boot flag is ...
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2answers
150 views

Make GRUB2 work installing Linux over OEM Win7

I bought an Acer laptop with Win7, and installed Linux Xubuntu as second OS. It says the GRUB was installed as well, but at the boot it keeps loading only windows. No grub screen at all. What to do? ...
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1answer
539 views

Make bootable iso with grub chainloading

My parents' pc has windows 7's boot manager installed at MBR and grub2 is installed on /dev/sda2 (booting linux on /dev/sda2). I want to make a bootable cd so that when booted from it just chainloads ...
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3answers
1k 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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0answers
440 views

Arch linux - strange behaviour after installing fglrx

I have a problem with drivers on arch linux. I installed catalyst through unnoficial catalyst repo as wiki says. pacman -S catalyst catalyst-utils aticonfig --initial After this operation i ...
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0answers
217 views

How to remove redundant grub from a GPT hard drive?

I once installed Debian onto my hard drive with GPT so there is a grub on it. Recently I erased Debian and install Windows Server 2012. But the grub is still there (which can launch nothing and I am ...
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3answers
7k views

How can I restore grub for Fedora 17?

I have mistakenly deleted all the grub entries while customizing grub using "Grub Customizer". Now whenever Im trying to boot into Fedora Linux a black screen is coming up only with "grub>" prompt. ...
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2answers
776 views

How can I discover which bootloader is installed where?

On a Debian Linux box, I'm running into a very strange situation where after power-on, GRUB fails with the error "no such partition", but if I then hit the reset button, it boots normally. I'm trying ...
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1answer
151 views

How find reinstall/replace Grub2 menu generation scripts

I'm trying to figure out how to reinstall/get copies of the scripts that Ubuntu has in the /etc/grub.d/ folder. The scripts have names like 00_header and 05_debian_theme. They're used when the command ...
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124 views

Windows 7/Ubunutu dual boot

I recently attempted a dual boot of Windows 7 and Ubuntu on a Sony Vaio. The installation for Ubuntu went well, but Windows 7 would not load from the Grub menu. I ran the auto repair from the ...
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2answers
5k views

Dual booting Windows and Arch Linux (with GRUB2) - after using Windows, Windows Boot Manager made first in boot priority list

I am dual booting Windows 7 and Arch Linux (both 64bit), with GRUB2, using the 64-bit EFI version. I partitioned my drive into a GPT drive and installed Windows first according to this guide. I then ...
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2answers
2k views

Windows 7 Boot Loader - Remove 30 second waiting time

I've installed Fedora 17 and Windows 7 on two different hard disks as a dual-boot system. The default boot loader is GRUB 2 maintained and configured in Fedora 17. When I startup and choose "Windows ...
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0answers
414 views

Why can I boot Windows only with grub2 chainloader?

When I updated my dual boot (Windows and Linux) PC my grub menu.lst file was deleted and I could no longer boot into Windows or Linux. Finally I have succeeded in installing grub2 and I can boot ...
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1answer
1k views

Uefi Grub booting to Windows XP hangs at black screen

I had a working system that booted xp and linux just fine from grub2. I changed systemboards to one that has uefi and now xp hangs unless i use f11 and boot directly to the drive with xp in the mbr ...
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1answer
5k views

How to boot directly into Vista and Windows 8 from Grub without the Microsoft boot manager?

I have Vista and Windows 8 installed each on a primary partition and use Grub as boot manager. The problem is that Grub can no longer directly boot into Vista after the installation of Windows 8, as ...
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1answer
923 views

Disable “longhaul” kernel module with a GRUB command?

I've got a problem with a VIA C3 (1GHz)-system: the system freezes immediately when the CPU frequency goes under 731MHz because of an incompatibility with the (not completely implemented) i686 ...
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1answer
147 views

Converting legacy GRUB menu entries to GRUB 2

I would like to change an entry for a solution to boot from CD from legacy grub (looks like title bla bla bla) to an entry to a format compatible to grub 2 (the one that looks like menuentry "bla bla ...
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841 views

How to resolve “grub loading error: no such partition” error?

I'm having Lenovo laptop that issued by the Tamil Nadu government. In that I cannot boot the operating system. It's showing grub loading error: no such partition grub rescue> How can I break ...
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417 views

Windows recovery partition with GRUB2

So I recently got a new Toshiba laptop and installed Ubuntu 12.04 on it. Since it is a "Windows 7 Enabled" machine or some other proprietary nonsense like that, a few hardware features are designed ...
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1answer
1k views

How to set up GRUB2 chainloader to other Grub (Fedora, Debian) on GPT

I'm trying to set up a dedicated GRUB2 which (chain-)loads another GRUB on a disk with GPT partition table. Relevant partitions: /dev/sda1 BIOS_BOOT /dev/sda2 BOOT (ext2) /dev/sda3 FEDORA (ext4) ...
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1answer
265 views

Detecting which GRUB2 menu entry the system was booted with

I am working on a remote server with no KVM, and am modifying stuff in the boot loader menu. I enabled the fallback and "default boot once" options in case for when I screw something up. Is there a ...
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2answers
1k views

Macbook Grub2 EFI Installation

How exactly does grub2 works on Macbooks? Does it install Grub2 on the EFI partition and I can boot using the grub loader just as I do on a BIOS based PC? What is actually the consequences of running ...
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1answer
2k views

GRUB freeze - Debian/Ubuntu home server

I am trying to setup my own home server - headless. It is a Fit-PC2 machine (full tech specs here: http://www.fit-pc.com/web/fit-pc/fit-pc2-specifications/ ) with 160GB HDD so it has limited BIOS ...
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1answer
138 views

How do I pick the right kernel arguments to boot from the FILES on a linux LiveCD USB?

I think I've been through just about every post on this site about this and can't find anyone who will shed light on all those mysterious arguments that get passed to the linux kernel by grub! What I ...
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0answers
319 views

Recover partitions with both Windows 7 and Linux installed using TestDisk

I need to recover my partitions using TestDisk. I used deep search and the result is as follows: Disk /dev/sdc - 500 GB / 465 GiB - CHS 60801 255 63 Partition Start End ...
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1answer
2k views

Remove Grub 2 Blockfiles from Partition eg. /dev/sda1

In the process of setting up an encrypted Windows partition along with a dual booting Ubuntu, I have had to install the GRUB bootloader onto a partition /dev/sda1 instead of the MBR. In this setup ...
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0answers
1k views

Finishing up and Arch Linux install and Grub is failing to install

Not sure what to do at this point. I finished all of the Arch Linux installer and get to the bootloader step and it fails. This is for a dual booted Windows 7/Arch laptop if that helps at all. Not ...
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1answer
252 views

XP restarts the machine on boot over grub2 menu

There were two HDD attached on computer board. One hdd has Linux installation and the other one has Windows XP (on first partition) and Windows 7 (on second partition) First I installed xp and then ...
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2answers
4k views

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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287 views

grub2 multiboot philosophy

Since using grub 2 I am puzzled by the way the boot menu is created. I usually have some extra installations on different disks or partitions. When doing a os-prober and grub-update my menu will ...
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1answer
2k views

windows 8 + gentoo uefi grub 2 dual boot

I've bought a new computer with asus sabertooth 990fx motherboard (well known asus ami bios which can use uefi properly) and installed windows 8 using uefi and gpt to play wine-not-compatible games. ...
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4answers
5k views

How do I recover the MBR on a Thinkpad t420?

After a messy Linux upgrade of my dual boot Lenovo T420 I ended up with GRUB replacing my MBR. Everything works fine: I can boot both Linux and Windows; the only thing different from before is that ...
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1answer
880 views

Make GRUB 2 boot Windows 8 safe mode

I have a dual boot configuration: Windows 8 Consumer and Ubuntu 11.10. I tried to install the Asus drivers for my motherboard (P8Z68-V LE EFI) in windows 8, and i now get bluescreens when starting ...
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1answer
487 views

Hide GRUB2 menu UNLESS you hold down Shift key: how to make this happen?

I have a Ubuntu - Windows 7 dual-boot set-up, and I would like to have it that my laptop would boot up Windows 7 unless I press down the Shift key right after boot and bring up the Grub2 menu from ...
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0answers
732 views

GRUB2 rescue boot into windows

I had got 2 partitions on my harddrive: 1. win7; 2. Ubuntu 11.10; As it can be predicted the GRUB loader was in the second partition and this partition was formated from ext4 to ntfs. Now I get this ...
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3answers
694 views

Grub help, deleting partition without deleting grub

I have a triple boot windows 7, ubuntu 10.10, ubuntu 11.10 and i want to delete the partitiion containing 11.10 but that's where my grub is located I believe. Because it updated to grub 1.99 when I ...
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1answer
4k views

Howto install and configuring grub2 on a USB thumb drive

I'm wanting to play around with grub2 with linux on a thumb drive. My host OS is Kubuntu. grub-install allows you to write the grub bootloader to the MBR of a disk which is great. However, ...
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3answers
2k views

How do I prevent GRUB2 from automatically booting into an OS?

I am dual-booting Fedora 16 and Windows 7, and using grub to handle booting. The default is set to Fedora, and I have a real problem with getting distracted during boot and having it boot into Fedora ...
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1answer
6k views

Linux GRUB2: How to resume from hibernation?

Moving to GRUB2 my Arch Linux no longer resumes from hibernation, because the actual resuming is no longer set up. In GRUB legacy I'd write: /boot/grub/menu.lst: kernel /vmlinuz26 ...
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1answer
3k views

Move Grub to a different drive

I recently added a new ssd to my machine which I intended to have as my main drive. I installed crunchbang and everything went fine, except I unthinkingly accepted updating/overwriting the MBR on my ...
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1answer
240 views

Updating grub2 in a Debian VM

I am running a series of debian server VMs under Xen. I am using pygrub, so the kernels and initrds are within the VM itself. I would like to continue using the automatic grub.cfg generation ...
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2answers
2k views

Installed Windows 7, then Ubuntu 11.10, and now I can't boot to Windows using grub2

I know a lot of people are having problems similar to this one, but I don't think this is a duplicate. My situation is a bit different and none of the solutions that are working for other people have ...
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2answers
3k views

Boot GRUB2 to GRUB or GRUB2 on another disk

I've got a couple of distributions installed, Gentoo with GRUB2, and openSUSE with some other version of GRUB. OpenSUSE manages it's kernel entries, and I don't want to have to update my main Gentoo ...
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2answers
8k views

Linux installation won't boot due to GRUB “no such device” error

I think I've exhausted all I know to do, so I'm sending up the flares. I'll try to cover it all (albeit, in pieces), so please be patient. I decided to install Linux Mint 11 where I previously had ...
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3answers
397 views

Backing up MBR on laptop disks with recovery partiitions?

Most of the Linux distributions I use allow me to override where GRUB is installed, but I now need to install Ubuntu on some Dell Latitude laptops, and on the test install I did on my old Vaio ...
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1answer
1k views

Does Grub2 support Memtest86+ iso files?

Does Grub2 support Memtest86+ iso files? If it's supported: How could I write a grub entry in grub.cfg in order to boot the Memtest86+ iso file?
0
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1answer
297 views

GRUB2 boot failure: “Error: Out of disk”

Create two or more partitions in one USB disk. Install any Linux system in second or later partition. Install GRUB2 in the disk. Boot directory is the /boot on the partition where Linux system is ...
0
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1answer
31 views

Custom file in Grub 2

I have a image file which needs to boot along with my Ubuntu. When I open /etc/grub.d/10_linux for example, I see a lot of code written there. What is the typical format for writing a custom file ...