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.

learn more… | top users | synonyms

2
votes
3answers
2k views

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 ...
2
votes
3answers
581 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 ...
2
votes
2answers
2k views

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 ...
2
votes
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 ...
2
votes
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
votes
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 ...
2
votes
2answers
1k views

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: ...
2
votes
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 ...
2
votes
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.
2
votes
3answers
1k views

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 ...
2
votes
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 ...
2
votes
2answers
70 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 ...
2
votes
2answers
369 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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
2answers
293 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 ...
2
votes
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. ...
2
votes
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 * ...
2
votes
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 ...
2
votes
1answer
764 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 ...
2
votes
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 ...
2
votes
2answers
241 views

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 ...
2
votes
2answers
18k views

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 ?
2
votes
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 ...
2
votes
2answers
678 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 ...
2
votes
1answer
711 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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
1answer
66 views

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 ...
2
votes
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) ...
2
votes
1answer
582 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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
2answers
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 ...
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 ...
2
votes
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 ...
2
votes
1answer
517 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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
1answer
50 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 ...
2
votes
1answer
47 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 ...
2
votes
3answers
13k 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 ...
2
votes
1answer
167 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 ...
2
votes
1answer
201 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 ...
2
votes
1answer
1k views

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 ...
2
votes
3answers
196 views

How to create a boot program that will ask which Rescue Disk to load?

Hello I have huge collection of rescue disks and live OSs. I have extracted them in my USB pendrive. I want "boot program script" that will ask on start which rescue program or live OS is to be ...
2
votes
1answer
325 views

GNU GRUB - Misaligned display/screen

I have installed Ubuntu 12.04 with Windows 7 - and upgraded to Ubuntu 12.10 recently - Ubuntu installed the GRUB (version 2.00-7ubuntu11) boot menu. When I first got Ubuntu, I changed the default OS ...
2
votes
3answers
2k 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 ...