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

learn more… | top users | synonyms

3
votes
2answers
246 views

Can GRUB2 be installed to USB and used to select between 2 HDDs with Windows 7?

I have recently acquired a second SSD, and decided I would utilize a multi-boot setup to increase my productivity. One drive is for "work" (only contains Windows 7 and software needed for work) and on ...
1
vote
3answers
9k views

Boot Loader Failed to install. How to proceed

I have windows 7 on one partition and was installing LinuxMint on another partition (I also have a 3rd data partition) and towards the end of the installation it said this message: executing ...
2
votes
1answer
2k views

Could not boot Windows 8 from grub2 nor rEFInd on UEFI-system with Archlinux

I have followed the archlinux beginner's guide thoroughly and was able to install archlinux in UEFI mode and has been able to succesfully boot from it. Everything works fine except that I am unable to ...
1
vote
2answers
2k views

How to remove GRUB from dual boot (Debian and Windows XP)

I have a computer witch cannot be boot from CD or USB. I have Debian and Windows XP with dual boot via GRUB. Now I want to uninstall Debian and GRUB and restore the Windows MBR. I can enter boot ...
0
votes
1answer
226 views

Why `/proc` file system should be mounted when re-install GRUB from `chroot`?

Currently, the MBR on my machine is corrupted, so I decide to re-install GRUB from a liveCD and with chroot. From this tutorial, I can complete the re-installation. However, I'm not clear about the ...
0
votes
1answer
466 views

Will Grub2 be replaced with Windows bootloader if i do a fresh windows 8 install? (upgrade assistant)

Help! If i upgrade from Windows 7 to 8 using the upgrade assistant and choose to overwrite Windows 7 and delete all files, will the current MSR (Grub2) be replaced with the Windows MSR? i sure hope ...
1
vote
1answer
193 views

Changing Default Boot Target in OSX

I have a MacBook with both a Linux installation as well as OSX on it. I have GRUB2 configured to boot both successfully, but when I boot into OSX it seems to automatically alter the EFI boot ...
0
votes
0answers
116 views

Linux server boot issue

I managed to mess the grub menu earlier and tried to fix the situation. Unfortunately I'm really out of ideas now. I get errors trying to run dpkg-reconfigure grub-pc and grub-install. grub-setup ...
1
vote
1answer
4k views

Fedora 18 + Windows 8: Dual boot

I just bought a new notebook which came with Windows 8 (+UEFI) which I will use to play some games, however, I want to have Fedora (18) linux available for some stuff. I tried and failed to install ...
1
vote
1answer
96 views

How can I fix Windows boot problems from Linux?

Is there some way I can fix Windows boot-problems from Linux (Like I could use EasyBCD from Windows) When it is booting, it is booting to a corrupt Windows 7 version, though I do have a working ...
1
vote
2answers
4k views

Windows 8 changes boot order

I installed Windows 8 and Ubuntu 12.10 on a 3TB GPT disk in UEFI mode. Both can boot up OK. Both operating systems created their ntries in the UEFI boot menu, there's an "ubuntu" and a "Windows 8" ...
2
votes
1answer
3k views

Linux EFI Live CD/USB

I was trying to boot from CD on a new HP Pavilion dv6 a few days ago with much frustration due to the Linux distributions I tried not working with EFI. Additionally, the EFI Bios is Insyde H20, which ...
1
vote
2answers
156 views

instalation windows 8: I cant recover my Linux Partition

I had a problem last day when i was installing Windows 8 on my computer. In my harddisk, in this moment, I have 5 partitions: sda1: recovery data partition sda2: windows 8 (NTFS) sda3: use for ...
1
vote
1answer
2k views

Grub2 + Xen: How to solve “Can't find hypervisor information in sysfs”

I am trying to solve the "Can't find hypervisor information in sysfs" problem when invoking "xm". I have found in some sites that the solution is to rename *10_linux* into *50_linux*, however if I do ...
2
votes
1answer
247 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 ...
1
vote
0answers
242 views

How can I chainload a USB drive from GRUB2?

I'm using GNU GRUB version 1.99-12ubuntu5, booted over the network using PXE. I used grub-mknetdir to generate the GRUB image and directory tree, which I'm serving on a TFTP server using Tftpd32 in ...
0
votes
1answer
2k views

Windows 8 safe mode grub 2

I need to boot into safe mode in Windows 8 Ultimate to un-install Avira as this is not supported in windows 8. The problem is I have also installed Ubuntu 12.04 and from the grub 2, I do not get the ...
0
votes
2answers
677 views

GRUB2 UEFI booting from LVM on RAID (with XEN)

I'm experimenting with booting root filesystem from LVM volume inside the raid (mdraid superblock 1.x) via UEFI with GRUB2. Also I'm using Xen hypervisor. From grub command line I can see my lvm ...
3
votes
1answer
2k views

How to scroll in grub2 shell?

The outputs of the help and/or vbeinfo command of grub2 shell are massive. How to scroll up the output? I've tried PageUp、Shift+PageUp, but nothing happened.
6
votes
3answers
669 views

Is there a way to prevent Windows 8 upgrade from erasing the bootloader?

Is there a way to tell the Windows 8 installer not to erase the grub bootloader? For example, changing something in the OEM folder or some kind of slipstream technique similar to how it is possible to ...
2
votes
1answer
738 views

Configuring Windows Boot Manager w/ GRUB2 and Clonezilla

One of my work tasks is to configure the computers that ship in our products with Windows OS images (Embedded and OEM) with a restore partition. I have been using Clonezilla Live with GRUB2 to ...
0
votes
2answers
205 views

How can I make 2 windows installations appear in the grub menu?

I have installed Windows 7, Windows 8 and Ubuntu, and I have the following problem: Grub2 only recognizes one version, the Windows 8 bootloader (which is located on a hidden partition called System). ...
0
votes
2answers
328 views

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) ...
1
vote
0answers
93 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 ...
0
votes
2answers
1k 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 ...
4
votes
2answers
160 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? ...
4
votes
1answer
829 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 ...
6
votes
4answers
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 ...
1
vote
0answers
613 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 ...
1
vote
0answers
300 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 ...
2
votes
3answers
8k 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. ...
3
votes
2answers
2k 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 ...
0
votes
1answer
211 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 ...
0
votes
0answers
131 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 ...
1
vote
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 ...
2
votes
2answers
4k 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 ...
0
votes
0answers
464 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 ...
1
vote
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 ...
4
votes
1answer
6k 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 ...
0
votes
1answer
2k 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 ...
0
votes
1answer
190 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 ...
0
votes
0answers
995 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 ...
1
vote
0answers
465 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 ...
0
votes
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) ...
1
vote
1answer
363 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 ...
0
votes
2answers
2k 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 ...
1
vote
1answer
3k 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 ...
1
vote
1answer
150 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 ...
2
votes
0answers
403 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 ...
3
votes
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 ...