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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Installing Windows 7 on a dual boot machine

My current setup is a dual boot of XP and Ubuntu 9.04. Installed Ubuntu after XP and dual booting with GRUB. I want to install Windows 7 now to make it a triple boot system without disturbing my ...
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How to add Windows 7 to Grub menu?

The following is the list that I got when I executed the command sudo fdisk -l: Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * ...
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1answer
4k 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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Ubuntu 11.04 (64-bit) won't boot. Forgot to install GRUB 2. Manual GRUB install fails

I cannot get Ubuntu to boot. I downloaded the Ubuntu 11.04 64-bit mini.iso and installed it in Virtualbox (v.4.1.2 running on OS X 10.5.8). When I installed Ubuntu, I selected "Command-line expert ...
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Grub2 fails to chainload Windows 7 with error “invalid signature”

I've built a new UEFI 64-bit system with both Windows 7 and Ubuntu 11.10 installed (on separate hard drives). I'd like to be able to boot Windows 7 from the grub menu, but I have so far been ...
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1answer
2k views

Ubuntu grub fails to start, error: out of disk

My computer has become quite strange the last days, last week grub stopped working and just halted at the grub prompt. I can manually start the system by writing insmod /boot/grub/linux.mod linux ...
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How to create bootable USB stick with GRUB with data partition, Win rescue disk and System Rescue CD

This is my motivation: I have a USB stick I always carry with me. And there are always problems with computers not booting. So I want to make the drive a little more useful. It has to: Contain a ...
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Ubuntu grub rescue prompt

Installed WUBI on Windows and the Ubuntu installation completed. The first time I logged in to Ubuntu it updated a full set of patches and asked to reboot. Now after reboot it is showing me the ...
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762 views

Windows 7 Keeps Changing the MBR on boot

I am having an issue with Windows 7 changing the boot order everytime I start up. I have 4 partitions: boot linux windows. Grub is installed on the boot, and boots up both operating systems fine, ...
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4answers
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How can I restore my “Unknown” partition type, back to NTFS?

Lately I've been having trouble restoring my PC after uninstalling GRUB, and an Ubuntu install from it. Usually I don't encounter any problems when doing this, but this time is different. My Windows ...
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2answers
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Can I dual boot Linux and Windows 7 but use the Windows bootloader instead of GRUB?

Is it possible to have the Windows bootloader point to Windows 7 and a Linux partition instead of using GRUB to point to Windows 7 and Linux? Any links to tutorials, guides, or how-tos would be ...
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Why does GRUB load after I select my Ubuntu Partition from Windows Boot Manager?

So first of all I'm running Windows 7 on one drive, and Ubuntu 9.04 on another. I downloaded and installed Easy BCD 2.0, which I have to say is an excellent piece of software. I used to have grub as ...
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2answers
596 views

How to replace GRUB boot loader, from within Windows?

I have dual boot (Debian and Windows XP), and the boot is from GRUB. I want to remove Linux and grub, and restore the Windows boot. However, I cannot use installation CD to restore the MBR. Thus, I ...
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2answers
1k views

3TB SATA hard drives into an old Linux system

I have a 3 year old PC with 4 internal SATA ports. My old SATA hard drives, all smaller than 2TB, work fine. If I buy a 3TB SATA hard drive, will it work in Linux? Will Linux with GRUB be able boot ...
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3answers
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Windows 7 Pro x64 hangs on boot when loading classpnp.sys [duplicate]

Don't know what happened but this happens almost every time I boot. Never happened before a couple days ago and I haven't even done anything. Computer powers up, GRUB (From fresh Ubuntu 11.04 ...
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3answers
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Linux partition deleted, GRUB no longer boots

My notebook computer came with Vista and I installed Ubuntu on 2 partitions and kubuntu on another partition. After a while, I wanted to delete one of the Ubuntu partition, so I did it in Vista's ...
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3answers
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How do I get my ThinkPad T420s to boot Ubuntu 12.10 (on disk) instead of trying to netboot first?

I just installed Ubuntu 12.10 on my ThinkPad T420s (no other operating system installed), and it is working. But there is a small thing which I just don't like... Everytime I shutdown and reboot, it's ...
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2answers
997 views

Chaining bootloaders for unusual setup

I'm trying to implement some unusual idea on my PC. I've got a total of 6 partitions: First one is for Windows 7 (my basic OS) 2nd one for Ubuntu 3rd and 5th are Windows storage partitions 4th is a ...
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3answers
2k views

Reinstalling Windows' MBR

I'd like to reinstall the Windows MBR. My first hard drive is as follows: (hd0,0): fedora 15/ext4 (hd0,1): windows 7 x64 I have GRUB installed on it right now, which allows me to boot Fedora just ...
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3answers
1k views

Windows 7 Keeps Changing the MBR on boot (grub2)

I installed Ubuntu in my new notebook. It originally comes with Windows 7 installed on it. Everything works nice however every time i boot into Windows7 the grub menu doesn't work any more. i can't ...
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1answer
168 views

Linux doesn't find root file system when booting

I bought an SSD and to try the speed improvement while leaving the current system intact, I cloned my old root partition (/dev/sda1) onto the SSD (/dev/sdb1) and added a new Grub boot entry: title ...
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2answers
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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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1answer
590 views

Text mode console output shows a blank screen

I've started using a Technika LCD TV with my PC and, while it displays full OS graphics, the text that is usually displayed during boot up (with the exception of the initial BIOS screen) does not show ...
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1answer
165 views

“Not a bootable partition” from Haiku's boot manager for new Linux partitions

I just did this: made an Intel Extended partition covering the whole HD using Haiku Alpha 4.1's DriveSetup made several BeOS partitions deleted the first one installed Haiku onto one of the other ...
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How to install reliable/flexible GRUB for multi-boot (Windows, Linux)?

This question must've been asked a billion times, but I haven't found a real GRUB-related solution. I need to install GRUB on a machine that'll have both Windows and Linux (Fedora) installed. It must ...
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117 views

Grub stuck on “Grub loading”

So, on my laptop I have two OS'es. Debian Squeeze and Windows 7. My problem is that Grub doesn't load anything. It stops on the message " Grub Loading.". Now I am trying to solve that problem using ...
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2answers
1k views

Boot iso images from bootable USB

I'm trying to figure out an universal solution to have a multi-boot usb memory stick. I have some ISO images like: knoppix, debian, ubuntu, etc. Is there any way to do the following procedure: List ...
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3answers
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error: no such partition. Grub rescue

I deleted my Linux (Ubuntu) partition from Windows and I forgot to repair the MBR. I don't have my windows boot CD with me nor a CD drive. Is there any small utility that can be easily downloaded (I ...
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2answers
803 views

Run Windows from USB Disk

I have an internal hard drive with Windows 7. Usually, it's in my desktop computer, but I now want to run it from my laptop, as well. (The laptop is a dual boot Windows 7, Ubuntu machine.) When I ...
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1answer
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error: no such partition grub rescue>

I have removed the Ubuntu 10.04 from windows 7 this morning but when restarting the computer the following error comes: no such partition. grub rescue> only responding for commands ls giving (hd0) ...
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4answers
15k views

Can I erase a GRUB bootloader?

I installed ubuntu on my Windows 7 pc. Automatically it used the GRUB bootloader. Then I learnt how to use VirtualBox. I have no need for Ubuntu. So can I delete Ubuntu and GRUB while leaving Windows ...
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Will Linux Multi-booting with Ubuntu 10.04 and 9.10?

I've currently organised my laptop's hard disk using the multi-booting template idea, as shown here:- http://www.linuxforu.com/teach-me/tips-tricks/distromania-a-multi-booting-template/ Currently the ...
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1answer
545 views

String manipulation in Grub2

One of the new features of Grub2 is scriptability. At my work we're using it to great affect. However, I recent stumbled on a terrible short coming. There isn't any string manipulation or ...
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1answer
2k views

Correct way to re-install grub in Ubuntu

What is the standard/correct way to re-install grub2? I am using liveusb right now and i am unable to boot into Ubuntu on my hard drive. Partitions are as follows: /dev/sda1 1 ...
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1answer
646 views

3 partitions, cloning to larger disk; preserve GRUB?

I've got a 10 GB ext3 partition, a ~512 MB linux-swap partition, and a 45.4 GB NTFS partition. I have GRUB doing my bootloading. I'm looking to clone it all to a new 160 GB hard drive I got today and ...
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1answer
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Grub problem with dual boot Ubuntu & XP (Ubuntu installed first)

I had Ubuntu installed and I installed XP. I tried to be able to dual boot them by running an Ubuntu live cd and running ~ $ sudo grub grub> root (hd0,0) grub> setup (hd0) But now when I ...
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Grub “no such device” error does not correspond to config

GRUB is failing to boot. BIOS tries to boot the second hard drive first (in Legacy Mode, and the first hard drive is Windows) but this yields a no such device: cfb69400... error. The given id does ...
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1answer
258 views

How to restore Windows bootloader and still have Kali Linux

I installed Kali Linux 1.0.9a on my Windows 8.1 system today and installed it, but I don't want the GRUB bootloader menu. I want to use the original Windows bootloader. How can I do this?
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1answer
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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
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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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1answer
132 views

How to repair bootloader

To make a long story short; I installed some linux (pear 8), couldn't run it for some reason (error from the grub loader), then, I couldn't start windows 8.1 also, some error message. I used ...
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2answers
103 views

Restore bootloader after Ubuntu has been installed

I've installed Ubuntu. Windows doesn't boot anymore and doesn't appear in the GRUB menu. I've tried to install the Windows bootloader via recovery console from a Windows DVD as it's said here. ...
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0answers
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Directory /ETC has been moved! — Ubuntu 13.04 [duplicate]

I made a bad move by moving my /etc directory to Dropbox in hopes to sync two computer enviroments. After moving the /etc directory any sudo commands responded with "Who is this UID 1000?". Basically ...
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Unknown filesystem on Lenovo B460e laptop

I got a Lenovo B460e laptop yesterday (given by the Tamil Nadu Government). It has Windows 7 Pro on it. I set it up the way I liked it. All software drivers and all. I wanted extra drives, so I ...
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“cannot read the Linux header.” New install, old machine

This could be a hardware problem. I hope not. I have an old Compaq Evo laptop and I have completed the install of lubuntu from here: http://cdimages.ubuntu.com/lubuntu/releases/11.10/release/. There ...
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1answer
582 views

Update grub for whole disks added to software raid

I have a raid-1 running under rhel6 (/dev/md0) that is mapped to /. It contains two unpartitioned disks (/dev/sda and /dev/sdb). I'd like to be able to boot from either disk. But grub won't let me ...
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How to safely use grub rescue> in Fedora 16? System does not boot anymore

When i boot my PC, i get this in my Fedora 16 distro. I have tried as following but none allowing me to boot anymore. Any help please? I am blocked completely. Grub loading. Welcome to GRUB! error: ...
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2answers
780 views

Unable to boot ArchLinux on Macbook Pro 7.1 - drops to recovery shell

My MBP fails to boot Arch. This is what I did to install ArchLinux. Install rEFIT. Partition using disk utility such that first one is Mac partition, second is Arch & the third ie the last one is ...
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3answers
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Ubuntu - Upgrade to 10.04 - general error mounting filesystems

Using upgrade manager I upgraded my 8.04.x LTS installation to 10.04. After rebooting the system failed encountered an error and dropped into the recovery console. It appeared to be a problem caused ...
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892 views

Linux: Advanced Grub Bootloader configuration? [duplicate]

Possible Duplicate: Aesthetically editing grub.cfg Make grub keep its default boot under kernel updates Hello, I want to use the Grub bootloader to boot up my system with my triple boot. ...