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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How do I change the console resolution of Ubuntu 9.10 Server running on VMWare?

I'm running Ubuntu 9.10 Server in VMWare Fusion (on a Mac) and I'm having trouble changing the console resolution. It seems to be stuck on 640x480. Ubuntu 9.10 uses Grub2, so there is no ...
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2answers
7k views

“Unable to find root device” on a fresh ArchLinux install

I have installed the latest version of ArchLinux (2014.06.01) on a MacBook Pro 8,1 (15", if that matters regarding hardware) dual-booting with OSX following the instructions in the official install ...
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2answers
9k views

grub: how to boot into ISO partition

I have copied an ISO file into a partition (i.e. dd if=isofile of=/dev/sdb1). How can I boot into that partition via GRUB? When I try just with chainloader (hd1,0)+1, it says unknown executable ...
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6answers
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Grub rescue, unknown file system. Can't boot into Windows 7

I am confused, so I am also going to use this question to get clarification and fix my computer. Some background: I had Windows 7 on a 1 TB HDD and decided to partition my hard drive into two ~500 GB ...
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2answers
51k views

How to install GRUB from inside Windows 7

I am trying to make a kernel in Visual C++ (Windows) using the tutorial here. What I am wondering is how to install GRUB from within Windows 7. If I have to download Puppy Linux or something I will, ...
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3answers
8k views

How to move the Windows 7 bootloader to the Windows 7 partition?

I recently installed Windows 7 in a triple boot setup alongside XP and Linux. When I was finished and was in the process of restoring the bootloader for Linux I discovered something strange about what ...
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2answers
2k views

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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1answer
2k views

error: no such partition. in GRUB

I was a bit of an idiot and wiped my old Ubuntu partition whilst in Windows XP, forgetting to fix the MBR. Rebooting gives: error: no such partition. grub rescue> The only things I've entered ...
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3answers
4k views

Reducing video mode switching during Linux boot

When I boot up my desktop computer, which only has Linux on it, the video mode and/or console font gets switched four times: When GRUB starts, it switches from 80x25 text to a graphical mode so it ...
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1answer
842 views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
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1answer
1k views

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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2answers
29k views

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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1answer
2k views

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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4answers
18k 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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1answer
121 views

How do I remove unneccessary boot device options?

Long story short: had win8, decided to make dualboot, installed manjaro linux (mounted /boot/efi to windows' efi partition), oh noes grub doesnt show option to log into win8, managed to create win8 ...
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1answer
6k views

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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1answer
792 views

Windows 7: moved system partition, need to update boot partition

So, I have a decently standard Windows7/Ubuntu dual-boot setup, and (since Ubuntu is my usual operating system) I found I needed to grow my Ubuntu partition and shrink my W7 partition. Originally, my ...
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3answers
15k views

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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2answers
778 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
20k views

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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1answer
1k views

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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3answers
663 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
5k views

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
5k views

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
3k views

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
1k 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 ...
2
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1answer
1k views

GRUB broken after conversion to btrfs

First off, yes, I did, in fact, suspect that changing my filesystem from ext4 to btrfs would break GRUB and fstab. Now, here's what happened. I converted the filesystem seamlessly to btrfs and that ...
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1answer
2k views

Not Loading GRUB After Installing Mint and Ubuntu

On a new computer (less than 3 months), I originally installed Fedora 16 to give it to try. I wasn't all that impressed and un-installed it about a month ago and I'm not exactly sure how it happened ...
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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
157 views

How to restore MBR and boot windows 7 from GRUB rescue?

I have a dualboot system with ubuntu and windows 7, I wanted to remove ubuntu so I removed the linux partition from disk management from windows, after reboot I'm stuck in GRUB rescue. How to boot ...
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0answers
228 views

Restoring Windows boot entry on GRUB

I made a lot of mistakes lately with my systems, and now I have an issue. After installing fedora 20, I tried to resize my windows 7 partition, and generated an error with the actual size of the ...
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1answer
2k views

Windows 8 doesn't show up in my grub menu

I have two HD's, one with Fedora 20, and the other with Windows 8. I can choose at start up which drive to boot from, and choosing the one where I installed windows does make it start, but I would ...
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1answer
382 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
10k 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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1answer
835 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
197 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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0answers
358 views

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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1answer
16k views

grub rescue prompt after reinstall windows on dual boot

I was dual booting windows and Ubuntu. When I reinstalled windows, it would no longer get to the grub menu. Its showing: error: no such partition. grub rescue> I want to fix this without using ...
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0answers
125 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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2answers
954 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
5k views

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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2answers
156 views

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
635 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
656 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 ...