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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GRUB unknown filesystem error after managing Windows 7 partitions

I'm using Debian and Windows 7 located on one HDD, in dual boot. Windows 7 had two partitions - system partition C: and general-use partition G:. Recently I've cut the G partition in size and created ...
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Grub menu not showing for Ubuntu 12.04

This is the first time I installed Ubuntu(v12.04). I have a HP laptop pre installed with Windows 8. I installed it alongside Windows and the installation was successful. But after the customary ...
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Stuck at GRUB prompt after booting, how can I restore normal booting?

My machine was dual-booting with Windows XP and Fedora, then I tried to install Arch. While installation power went off. After that, booting always results in the GRUB prompt. Even when I instruct my ...
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1answer
58 views
+50

Windows 7 partition disappeared from hard drive

I had a windows 7 and Debian 7 install and I've been using the computer fine for almost a year. A couple weeks ago I tried to load Windows and realized the boot option in grub was missing. After ...
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1answer
25 views

How do I remove the old versions of the linux kernel shown in grub boot loader

I am using Ubuntu. I have Linux kernel 3.8.0-35-generic, 2.6.34.14 and 2.6.34.14. I want to delete the 2.6 versions from my system, because 2.6 won't even load when i select them in grub boot loader. ...
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25 views

Accidentally deleted /boot and GRUB doesn't load, how can I restore my install?

While trying to re-install Windows (I am running Arch/Win7 dual boot) I accidentally deleted a partition labelled (in the Windows installer) as 'recovery'. I didn't fully install Windows (I lost my ...
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1answer
31 views

Kali Linux boots to command prompt (gdm3 produces error)

I just got Kali Linux working on my Macbook Pro (after much laboring). I reinstalled Kali after I wanted to repartition my HD to make it larger. I boot into rEFInd first, and load the bootloader ...
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Grub4dos Recovery Partition

In many attempts to find a tutorial on creating a recovery partition many had only partly been what I was looking for. The closest I've found is this tutorial The problem I'm having with this ...
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2answers
39 views

Unable to boot Windows 8 after an interrupted Ubuntu installation attempt

I have a Sony Vaio notebook with Windows 8(UEFI) installed,after trying to install Ubuntu 12.04 LTS(I cancelled the installation and restarted the pc) from a usb sticky,every time i turn on the ...
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21 views

Cloning Linux and Windows from two separate disks to a single SSD

Backstory TL;DR: cloned OpenSUSE from /dev/sda2 to /dev/sdc1, Windows 7 from /dev/sdb1 to /dev/sdc2; formatted /dev/sda2 and /dev/sdb1; reconfigured GRUB2 and installed it on /dev/sdc; OpenSUSE loads, ...
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1answer
43 views

Hetzner Install CentOS over 2TB HDD?

Wanted to just check here before i open a ticket at Hetzner. I just got a server from hetzner with 2x 3TB. I want to set them up in a RAID0. I've ran the "Installimage" command once in rescue-mode, ...
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1answer
62 views

error: attempt to read or write outside of disk 'hd0'

Recently I tried to exit out of a game client (Diablo 3) and my computer completely froze up. I tried to use Ctrl+Alt+Delete to force it to close after about 3 minutes and got no response. After ...
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2answers
54 views

How can I get my Thinkpad T420 to boot directly to GRUB, skipping the boot menu?

I installed ArchLinux 2014.03 on my Thinkpad T420 (no dual boot), and when I turn on the computer it takes me to a boot menu with only one option: arch_grub. To continue I have to press enter, which ...
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70 views

Dual Boot: Windows Vista - Linux Mint. Delete Partition , fix MBR

Scenario: Windows Vista Basic installed on Hard Disk Created a partition (after Windows Partition - i.e Windows is in the 1st Partition) Installed Linux Mint Cinnamon 64-bit (UP6) on new partition ...
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2answers
19 views

trouble loading any OS's

I am having some problem installing OS's. I don't have any OS running on my laptop right now. I recently deleted all my partitions and data on the hard drive. Now i want to install windows 7. but ...
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1answer
77 views

grub2-bios-setup: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible

Grub2 won't install on a hdd with GPT partition label (without --force), complaining about a missing BIOS boot partion - even though there is one. The first partition (1 MB) is supposed to be used as ...
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37 views

How to create a Live USB with Persistent mode of customized kernel (buildroot)

Using Buildroot i have builded my kernel image the output images are: rootfs.tar, rootfs.cpio, rootfs.ext2 and bzImage With use of above i need to create live usb with persistent mode I have used ...
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2answers
56 views

Linux kernel doesn't load removable device with system on it

I'm having issue with booting into my Fedora 19. First of all I have to mention that I "extracted" that system from virtual disk (simply DD the content of root and boot partition on physical disk), so ...
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1answer
18 views

Chainload none-EFI Linux from EFI Linux

I read somewhere that it might be possible to boot none-EFI Linux from EFI Linux. If so, If my EFI Linux is booted by grub-efi, and my none-EFI Linux is booted by extlinux. How to chainload from ...
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1answer
51 views

How to manually setup Grub2-efi to triple boot Linux

To install/due-boot Linux on an EFI-capable computer with an pre-existing operating system, like Windows 8, the UEFI - Community Help Wiki at https://help.ubuntu.com/community/UEFI have covered it. ...
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1answer
152 views

How to Install Kali Linux on Windows 8 With BCD instead of Grub

I have Windows 8.1 64-bit installed on my PC. I have been trying to install Kali Linux using its ISO and Universal USB Installer (1.9.5.2) using a USB drive since the CD drive won't work. The ...
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100 views

Dual Boot Centos 6.5 and windows 7 using USB Stick

I was trying to dual boot my system with Centos 6.5 and Win7 using usb stick. Win7 was already installed. I created a partition of 100G from Win7 for CentOS 6.5. I created a bootable disk using ...
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28 views

Boot .efi files from GRUB2

I've bought a Sony VAIO with UEFI booting and came with Windows 8 preinstalled. I successfully installed Ubuntu 13.10 and Windows 7 (triple-boot) and fixed the UEFI boot so GRUB2 is loading. I was ...
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1answer
85 views

How to set default entry in GRUB2 on EFI with FEDORA 20

I have Windows 8 dual booting with Fedora 20. Linux is the first one Windows is the third. I want windows to be the default. I am using instructions from GRUB 2. grep "submenu\|^\menuentry" ...
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60 views

GRUB fails with 'symbol `grub_real_boot_time` not found'

I updated GRUB on Arch. When I try to boot, GRUB gives the error mentioned in the title. I know that grub_real_boot_time is provided by boottime.mod, but running insmod boottime fails with error: ...
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2answers
53 views

Installed GRUB on wrong partition

On my laptop I have W7 installed on sda2 (sda1 is a 100 MB partition that W7 makes by default). I installed arch and did grub-mkconfig -o /boot/grub/grub.cfg grub-install /dev/sda I didn't think ...
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1answer
21 views

Kernel panic after trying to boot back into OS X

I'm a bit of a newbie here! I installed Linux Mint today on my MacBook Pro after creating a new partition for it. Unfortunately it didn't recognize my wireless card. After a restart and trying to ...
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49 views

Booting Windows 7 from GNU GRUB v 1.99~rc1 Command Prompt

I just bought a new HP ProDesk 600 G1 SFF pc today. I booted it up for the first time and Windows 7 booted regularly. I created a user account and logged in. A prompt to backup my hard drive data with ...
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65 views

'executing grub install dummy failed' how to fix this?

I want to dual-boot my Win8.1 PC(HPpavilion17) together with Linux Mint 16.(x64) I've tried to install Linux several times but each time it says 'executing grub install dummy failed'. I tried both ...
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1answer
29 views

Grub dual boot- debian wheezy (encrypted) with another OS

I'm trying to dual boot debian wheezy (encrypted) with another OS (win7, uses 2 partitions) In the wheezy installer I have created a bootable partition with 200M and then tried to made another crypto ...
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31 views

How to reinstall GRUB of another disk partition in MBR

0 down vote favorite I have multiple Operating systems installed on different partitions of my hard-disk each having one boot and one root partition. My requirement is such i have to do some ...
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28 views

Have windows 7 and 8 entry options in grub

I multi-boot windows 7, 8, and ubuntu. I have them each installed on a separate sda partition. I also use a program called "grub customizer" in ubuntu. I need a way to have the windows 7 boot ...
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1answer
40 views

microsoft boot manager replaced by grub2?

I was running my pc with Win 8.1. I was thinking about trying linux for a long time so I decided to give it a try. I tried to install it several times but I was never able to boot to it, all I could ...
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1answer
74 views

GRUB doesn't show up when second hard drive is present

I just finished messing with Windows 7 + Linux Mint dualboot and finally got it to work. Grub handles the booting. It works as expected as long as I have only my main hard drive connected. When I ...
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4answers
79 views

Replace a laptop hard drive (Ubuntu and Windows 7 installed)

I have Sony Vaio laptop. The laptop came pre-installed with Windows 7 OS. Later I installed Ubuntu 12.04 and Grub. Now the hard is showing early signs of failure. How can I replace the hard disk ...
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1answer
98 views

Windows 8 not loading after Ubuntu 13.10 installation

My system was running on Window 8 Pro. One thing to note is that, my system is an assembled PC. Yesterday I installed Ubuntu 13.10 on my system. After the installation, first I was not able to boot ...
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1answer
35 views

Disable GRUB boot manager from Windows 8

I decided to get rid of the Fedora installation on my hard drive by deleting the partitions and extending my windows partition. To repair the boot loader I used a Windows recovery disc and command ...
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40 views

After Ubuntu installation Windows 8 cannot be loaded from GRUB menu

After 3 weeks of trying, today I installed Ubuntu 13.10 in my system. My system was already running on Windows 8 Pro. I installed Ubuntu by manually selecting a drive. The installation was ...
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2answers
47 views

How to restore Ubuntu broken partition after Windows 7 install

I previously had a Windows 7 partition and a Ubuntu partition. When I formatted and reinstalled Windows 7, somehow the Ubuntu partition got corrupted. I can't open it and recover my files even with ...
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10 views

restrict runlevels at Boot Time

How can I restrict changing the runlevels at boot time, to be only changed by the root. grub append> ro root=/dev/VolGroup00/LogVol00 rhgb quiet 3 I am running CentOS 6.5.
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1answer
581 views

Issues installing Kali Linux alongside Windows 8

I am running Windows 8 64-bit with an i3-3230m with 750GB HDD and 8GB RAM. I installed Kali onto a 40GB unallocated partition. (Note: I had to change to Legacy mode in BIOS or my computer would not ...
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1answer
52 views

Have Yum Update vmlinuz, initramfs Symlinks In /boot Automatically (Fedora)

Whenever Yum updates the kernel, there's a new set of (vmlinuz* initramfs*) files in /boot and the Grub config is updated to directly point to those new files. Where is the setting that will force ...
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31 views

Installing Debian 7 grub into partition instead of mbr

As beacuse installation of grub somewhere else than in mbr during Debian 7 installation is not possible, i skipped that step. Next ive booted rescue mode and trying to install it to /dev/sda2 manually ...
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1answer
237 views

USB multiboot: Everything except Clonezilla works

I am trying to add the Clonezilla live iso to my multiboot USB key. Every other distro seems to work, but Clonezilla boots to the prompt (initramfs) instead of launching properly. I have modified ...
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1answer
38 views

Inhibit grub on multiboot with UEFI and GPT

I'm running a multiboot laptop with GPTs. The OS'es include Windows, Fedora, Debian and Ubuntu. Each distro tries to control booting the computer, but each has its own little quirks. For example, two ...
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1answer
55 views

Remove Ubuntu completely from my computer and install windows

I installed Ubuntu in my machine after formatting my computer. It is now difficult to remove and restore my Windows. The problem is that I can't boot from my Windows CD. I select the option to burn ...
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27 views

How to change the partition which MBR points to?

I can not boot my computer, so I use Ubuntu 12.04 Live CD instead. I change the partition of boot loader from sda9 to sda8, so the MBR cannot point to the correct loader. How could I do now? How to ...
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1answer
84 views

Ubuntu: change kernel order

How can I change the boot kernel order in Ubuntu server 13.10? grep menuentry /boot/grub/grub.cfg menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option ...
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1answer
132 views

Windows 8 won't boot after rewriting partition table

I was recovering a deleted partition using Testdisk to rewrite the partition table. However after that, windows 8 refused to boot up. On boot, I am presented with an blue screen saying that there was ...
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1answer
210 views

Install CentOS on top of Ubuntu (dual boot)

I have a Ubuntu desktop and would like to install CentOS on top of it as a dual boot. The machine has two drives, each with one partition. I don't want to risk harming my Ubuntu installation. I'd ...