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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Operating systems on SD cards

I was getting some wild ideas the last days, like putting some operating systems into SD cards rather than on my hard drive. I'll go further into details now and explain what lead me to consider this ...
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3answers
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Borked ubuntu uninstall - need to delete boot partition (i think)

I just got a new pc laptop with windows 7 and wanted to install Ubuntu on it. Which i did, no problem there, by downloading the installer, burning it to dvd then booting off the dvd and installing. ...
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3answers
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How to remove Linux from my system without affecting Windows' bootloader?

I'm a Windows user. I tried to experiment with Linux and installed openSUSE on my system. I formatted a partition and installed Linux on that drive. When I tried to remove Linux by formatting that ...
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3answers
587 views

What is my partition number?

I am using Linux and i need to restore my grub, so i go into commandline on live CD, and i enter 'grub', then 'root (hd0,6)', but it says that the disk does not exist. This is how everything looks ...
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2answers
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Ubuntu dual-boot installation Grub error 18

I'm trying a dual-boot installation of Ubuntu 9.04 parallel to an exisiting Windows XP. On first Ubuntu boot I get a Grub error 18. As I already found out the reason therefore is a unfortunate ...
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1answer
1k views

How to make Windows 8 BCD show boot menu instead of booting directly into Windows 8?

I have Windows 8, Windows XP and Ubuntu on my computer. And I am completely disappointed of modern logic of Windows 8 BCD. Say, I need to boot into Windows XP. Steps I must perform: Select "Windows ...
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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 ...
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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
5k views

Boot non EFI MS-DOS Windows 7 partition with grub2-gpt

I have the following setup: UEFI Asus Motherboard GPT TABLE and Ubuntu on /dev/sdb MS-DOS TABLE, Windows 7 and Linux Mint on /dev/sda I try to boot the Windows 7 partitions with grub2 from Ubuntu ...
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2answers
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Lion refuses to be installed to any partitions on Mac

I was attempting to install Lion on my MacBook 7-1, on which I have installed Ubuntu 10.04 on a separate partition. Currently, my partitions look like this: ...
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2answers
77 views

Deleting a Partition Also Deletes Two Other

I have a hard drive with the following layout: I want to delete the first two partitions (a 243 MB Linux swap partition and a 5.87 GB root partition). Problem is, every time I deleted them, Windows ...
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1answer
351 views

Grub 2 removed, Windows can't boot

In all my stupidity I used Windows to reformat my Ubuntu partition and now I can't boot anything. What's the best way to recover my netbook? I'm only able to use a 256 MB flash drive.
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3answers
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Why can i run grubinst.exe in 64 bit ubuntu

grubinst.exe is a console mode program to install GRUB4DOS boot code to the MBR or partition boot sector. I downloaded it from GRUB4DOS project page grubinst_1.0.1_bin_win.zip, and I think its for 32 ...
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2answers
8k views

Blank menu.lst file after installing Ubuntu9.10

I just installed Ubuntu 9.10 on my PC. I have Windows XP as the primary OS. I am trying to set XP as the default OS with the following command in terminal: sudo gedit /boot/grub/menu.lst After ...
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2answers
71 views

Is it safe to backup my HDD?

Currently I see 2 parameters reaching design limits, namely Reallocated Sector Count as well as Spin Retry Count from the SMART data. The computer boots once out of 10 attempts and I have seen BSODs ...
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2answers
378 views

Change default option on dual boot screen

I want to know how I can change the default selected option on the GNU GRUB dual boot screen displayed on system start-up. I have a Windows 7 and Ubuntu dual boot PC. Currently there is a countdown ...
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1answer
2k views

Unable to Boot Windows 7 after GPT/RAID migration

I recently did a migration off of a single hard disk to a RAID array. I backed up my partitions with Clonezilla and everything worked fine. I was able to then restore both my Windows 7 Bootloader and ...
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2answers
307 views

Can't restore laptop windows after Ubuntu (GRUB error)

Hi I tried out Ubuntu but wasn't happy, so I tried to restore windows from my laptop's CD, but after the restoration process finishes and the system reboots I get "GRUB loading, Error 17". How can I ...
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2answers
1k views

Dual boot with 2 Hard drives

I have 2 old hard drives (they are both ATA) and I have one ATA ribbon cable with 2 connector. I install Linux on one harddrive and Windows 7 on the other. I can use them by switching the harddrives. ...
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2answers
28k 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
2k views

How do I permanently fix a GRUB partition off by one error?

I have a MacBook Pro set up to triple boot with rEFIt and GRUB. (I had to go through GRUB to get Windows 7 to boot, but that's tolerable.) I upgraded to Lion which added a new partition for the ...
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3answers
1k views

How to select OS via grub on headless system?

I have a dual boot system (Linux and Windows) that I normally run headless and which boots by default into Linux (which is what I use mainly). This all works fine, except that on occasions when I want ...
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1answer
773 views

Windows 7 destroys my GRUB2 on every boot

I have a dual boot setup with Ubuntu and Windows 7, I generally use Ubuntu but some times start Windows 7. Every time I have used Windows 7 my GRUB2 installation brakes and as soon as GRUB2 is ...
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1answer
2k views

CloneZilla Broke My System? Ubuntu Installation Lost After Running CloneZilla

I just read through this post and tried to get my installation back using this answer to no avail. What happened to me is this: I spent an hour or more reading through the CloneZilla docs. I ...
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2answers
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new items on GRUB screen in ubuntu/linux [duplicate]

Possible Duplicate: change the boot menu - GRUB I regularly update my ubuntu (10.04), and new minor versions keep accumulating on the GRUB screen. Right now I have 5 different versions ...
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2answers
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Making grub boot the CD-ROM

Instead of going to the BIOS every time, I'd like to add an entry in grub menu to boot the CD-ROM. Best definitive way of doing this ?
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1answer
1k views

Install grub on 2nd hard drive

I have 2 HDs in my machine: Drive 1 with grub and my Windows XP OS Drive 2 with only Ubuntu 9.04 I would like to be able to boot directly from drive 2. I am missing grub on drive 2... how do I ...
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2answers
707 views

Triple boot with Windows 8

while ago I bought a acer aspire e1 laptop with windows 8 on one partition, yesterday I installed ubuntu 12.10 and fedora 18 but when booting up I don't see ubuntu and fedora OS to select, it takes me ...
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1answer
737 views

Make flash drive bootable with MULTIPLE Windows Installers

I have seen many ways to make a USB an installer for about any Windows OS. But how can I (using grub or something like that) make it bootable to all editions on Windows XP and 7? I have tried ...
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1answer
4k views

Black screen appears when booting new install of Ubuntu 11.10 on my desktop, cannot access Grub menu to fix

I installed 11.10 on my desktop PC but get a black screen after the BIOS screen when I try to boot it. I was able to run 10.04.04 on my hard drive before installing 11.10 and I am also able to use ...
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2answers
4k views

GRUB2 doesn't see Windows 8 Consumer Preview

I installed Windows 8 Consumer Preview, and Windows replaced the boot manager (GRUB). Usually, I could restore GRUB using Super Grub Disk, but in this case I had to use Rescatux, because SGD returned ...
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1answer
4k views

Recovering GRUB/Arch Linux after installing Windows 7

So on my desktop I have Arch Linux installed but I need to dual boot with Windows 7. After installing Windows 7, it's bootloader takes over and the original GRUB is gone. Now, I've done this before ...
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1answer
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Does it matter if an OS is listed in GRUB but not available?

I want to create a second OS install on an eSATA disk (Ubuntu to be precise) and create a dualboot with my already existing Windows 7 install. I want use Ubuntu's GRUB bootloader and it should be ...
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3answers
2k views

Getting only grub prompt after installing dual boot Windows 7 then Ubuntu and EasyBCD

I'm having an annoying problem. I installed Windows 7 a long time ago, yesterday I installed Ubuntu 10.04. After installing the Ubuntu, it was working great (I got the grub boot menu and everything) ...
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1answer
587 views

Nothing can read my hardware RAID0… Except Ubuntu

I used to have my system setup entirely on a 2tb RAID 0 (risky I know) but I recently upgraded to having Ubuntu running on a SSD and using the RAID for file storage. Since the Ubuntu 11.04 update my ...
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1answer
1k views

Grub on FreeBSD

I am new to FreeBSD world and currently using pfsense as a guest on Virtualbox. FreeBSD comes with default BTX bootloader. I want to replace it with Grub. I tried running grub-install on /dev/ad1 or ...
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1answer
5k views

remove windows 7 dual boot with ubuntu

I want to uninstall win7 from my linux dual boot system and also want to remove booting option so that after removing windows it should automatically boot my ubuntu . So what step should I follow to ...
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2answers
5k views

Getting into grub loader in Ubuntu Virtual Box machine

I have Ubuntu guest OS installed on Virtual Box on windows. But I have forgotten all passwords for user and root accounts. But when I try to get into grub by pressing escape at startup, nothing ...
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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
2k views

boot.ini Issue - Multi-boot System, Linux, XP and XP64 - Missing File in system32 Message

I have an interesting issue that has me stumped. Not that I'm a computer whiz or anything. I have a multi-boot system with two hard drives: one drive has CentOS and Windows XP 64-bit and the other ...
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1answer
521 views

Why SuperGrubDisk won't boot up anything?

I burned a SuperGrubDisk by going to http://developer.berlios.de/project/showfiles.php?group%5Fid=10921 and downloading grub-rescue-cdrom.iso which is ...
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2answers
3k views

Dualbooting Windows 7 and Gentoo, error

I'm trying to setup a dualboot with Gentoo Linux and Windows 7. Heres my partitions: /dev/sda1 /boot partition, ext2 /dev/sda2 Windows 7 partition, ntfs /dev/sda3 swap partition, Linux swap ...
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3answers
1k views

How to repartition my drive for dual booting Ubuntu and Windows

I need to repartition my drive so that I can dual boot windows and Ubuntu. I have an older laptop so I need to have the kernel in a BIOS accessible partion. With my current partition layout as done ...
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1answer
1k views

How To Remove/Add Windows Options from Boot Loader

I am having windows vista and ubuntu operation system on my laptop . I just want to remove that option from my boot loader ( grub ) and i need to know how add back that option. I would like to Do ...
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1answer
57 views

How to make my restore partition usable again?

I have an old Samsung X420 in which I had installed Linux years ago, alongside Windows 7. I gave it to my girlfriend to use and since she didn't deal well with Linux and GRUB, I wiped and recreated ...
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1answer
48 views

UEFI strange behavior - works once but deletes MBR

I have a Toshiba Satellite L50-A1-D6 with the latest (14 November 2014) BIOS update. I have removed Windows 8, completely formatted the HDD (in GPT), and installed Linux (Ubuntu, but this is not ...
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3answers
16k views

Kali Linux and Bootloader problems

At first I was using Windows 8.1... I downloaded Kali and put it on flash memory. The options got me to either: -Browse live -Install I browsed it live a little then went to installation. Grub ...
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1answer
181 views

Problems with starting windows after installing new ubuntu os on multiboot pc

Before I recently upgraded my ubuntu OS, I had a multiboot with windows 7, windows xp and ubuntu. When I started the computer, the grub bootloader would usually show the options: -windows 7 and ...
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1answer
225 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
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Trying to boot Kali Linux from USB on Mid 2010 macbook pro

I created a Kali Linux Live USB (MBR with compatibility for both BIOS+EFI) and created an /EFI/BOOT directory on the USB's root directory, with the file bootx64.efi in it. However, when I tried to ...