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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2answers
10k 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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4answers
17k views

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 /etc/grub/...
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votes
4answers
62k 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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votes
6answers
71k views

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 ...
5
votes
4answers
5k views

How to make Windows bootloader the default?

When I got a new computer, I installed Ubuntu and Windows XP on it. When I turn it on, GRUB shows up and lets me choose between the OSes. All right so far. A while later, I decided I don't want ...
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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 ...
0
votes
2answers
3k 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 ...
10
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3answers
5k 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 ...
5
votes
1answer
2k 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: grub&...
3
votes
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 ...
2
votes
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 ...
2
votes
2answers
31k 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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4answers
23k 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 ...
2
votes
1answer
3k 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 ...
1
vote
1answer
362 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 ...
1
vote
1answer
7k 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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vote
1answer
1k 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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0answers
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 /...
0
votes
2answers
795 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, ...
0
votes
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 error:...
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1answer
142 views

how to use grub to bypass a 32bit uefi to boot windows 10 x64

I have read in another post that it is possible to boot an x64 copy of Windows 10 on a 32bit UEFI using GRUB. the hardware I am using fully supports a x64bit OS. However, the UEFI is locked to 32bit ...
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votes
4answers
25k 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 ...
4
votes
1answer
1k views

Windows won't sleep after booting from grub

I recently added a second hard drive to my computer and I am using it do dual-boot Linux (Ubuntu 12.04) with Windows 7. Both hard drives are SATA. I am using the default grub bootloader on my second ...
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votes
3answers
6k 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 install)...
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votes
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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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 ...
3
votes
3answers
918 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 ...
2
votes
3answers
4k 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 ...
2
votes
1answer
3k 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 ...
2
votes
1answer
726 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 ...
2
votes
1answer
3k views

Install Grub2 (with EFI-IA32 support) to the ESP partition from within Windows 8.1 (32-bit) - Bay Trail tablet

This is a very complicated idea, and it's been stuck in my head for a while now, so bear with me. In this question, when I say "Grub2", I am referring to the "EFI-IA32 version". The device I will be ...
2
votes
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 ...
2
votes
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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0answers
345 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 ...
1
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1answer
106 views

Add Chakra to Grub (installed by Mint)

I have 4x30G partitions on my SSD. I installed Mint to the first one. Mint installed grub2 with it, which recognizes Win7 on a HDD as well, so I thought I keep this boot loader. I installed Chakra to ...
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1answer
1k 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 ...
1
vote
2answers
904 views

Android-x86 6.0 Marshmallow in VirtualBox:installation stuck on GRUB

I'm trying to install android-x86-6.0_20160129.iso in VirtualBox but the installation get stuck at Do you want to install boot loader GRUB Some background: The VM was created from the Ubuntu 32-...
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2answers
19k 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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0answers
180 views

Using GRUB to boot into encrypted windows disk

This is similar to other questions already asked here before. Still none of them actually answered my problem. My PC has two SSDs. One containing Windows 7, one containing Kubuntu 15.04. The Linux ...
1
vote
1answer
2k views

Repairing bootloader for kali linux 2.0

I'm trying to repair the boot loader for kali 2.0. I'm not sure what caused it but it doesn't show up in the bios anymore. I found this code: mount /dev/sda3 /mnt mount --bind /dev /mnt/dev mount --...
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1answer
165 views

Install bootloader for Windows 10 after Ubuntu installation

I installed Ubuntu on an external drive following a tutorial and the tutorial said that I had to install the bootloader into the external drive. After the installation finished I could boot to Ubuntu ...
1
vote
1answer
1k 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 ...
1
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2answers
2k 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
1k 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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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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0answers
143 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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vote
0answers
412 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 ...
1
vote
1answer
1k views

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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2answers
937 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 ...