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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5
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4answers
6k views

How to fix GRUB after Windows breaks it, and how to edit the GRUB menu

I had Windows XP and Ubuntu both installed. I could easily boot into either until Windows "fixed" the bootloader so that it now only boots into Windows. I guess there is no way to prevent Windows ...
30
votes
2answers
91k views

grub: boot from ISO

How can I boot into an ISO file in GRUB? The ISO file is on a reiserfs partition and GRUB can access it (already tested that).
10
votes
2answers
3k views

Make grub keep its default boot under kernel updates

I dual-boot my machine and I want it to default to boot into windows so that whenever I restart the machine remotely from my home it will be able to get back into Windows (instead of Ubuntu). The ...
3
votes
3answers
24k views

Repair grub mbr and /boot using ubuntu 9.04 live CD

I have broken my boot sequence on my XP/Vista/Ubuntu box. I wish to restore the system back to the way that Ubuntu 9.04 (last installed OS) had it setup. I want to do only the mbr and /boot on the ...
19
votes
2answers
196k views

How to fix Windows 10 boot loader from Windows

I installed Ubuntu on system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition but first I must restore Windows 10 MBR. Here https:/...
9
votes
3answers
6k views

Aesthetically editing grub.cfg

EDIT: (for clarity) I'm looking to change the appearance of the grub boot menu, by editing the configuration files (possibly but not necessarily grub.cfg). So, any ubuntu user knows how filled up ...
6
votes
6answers
9k views

How to create multiboot flash drive

I've found a guide here: http://www.pendrivelinux.com/boot-multiple-iso-from-usb-multiboot-usb/ And found this menu.lst in my flash drive, which seems to be the one that I'm seeing when I boot using ...
3
votes
2answers
5k views

“Reinstalling” the Windows 7 boot manager

I've run into an interesting predicament. I've got two HDD's, one running Windows XP (Primary) and another running Windows 7 (Secondary). I recently installed Gentoo over the XP installation and used ...
3
votes
4answers
14k views

I can't boot to Ubuntu after installing Windows 7

I installed Ubuntu 10.04 and it is working properly, but today I installed Windows 7 to another partition, and now I did not get any boot menu and automatically Windows is working fine still. Is ...
2
votes
3answers
369 views

No GRUB after re-installing Windows

I have Windows and I installed Fedora 12 on a separate partition. However, I had a problem with my windows XP SP 3 and had to install Windows on my C drive. When I re-boot I on longer get the GRUB ...
0
votes
1answer
422 views

What's the Best Practice reinstalling windows 7 on a dual boot with ubuntu 11.04

I've posted a question here that I have a 32bits windows 7 on a dual boot machine with ubuntu 10.04 upgraded to 11.04. From the responses I had from the questions, I decided to reinstall the windows 7 ...
0
votes
2answers
467 views

How To Get Windows To Stop Assuming Precedence Over GRUB?

I have a SATA hard drive with an MS DOS MBR partition table, an ext4 Linux-based OS, an NTFS Windows 7, and an extended partition. I was happily using my ext4 partition for quite some time, but grew ...
27
votes
5answers
51k views

Boot from USB using GRUB

My friend's laptop was in a car accident (he's fine!). However the laptop is very old its an Acer Aspire 1520 the CD-rom drive is broken and there is no floppy drive. I made him a USB boot before I ...
9
votes
2answers
51k views

How do I move the Windows 7 Boot Files (bootmgr, …) to a different drive?

I wanted a dual-boot setup. So first I installed Windows 7 on the 1st partition of one hard drive (we'll call it HDD1), and then I went to install Ubuntu 9.10 on the second partition of HDD1. ...
5
votes
4answers
68k views

Why do I get a GRUB error after deleting the Linux partition?

I had a dual-boot setup with Windows 7 and Windows Vista. I used Easus Partition Manager and shrank my Windows 7 partition. In the empty space, I installed Linux Mint. I decided I didn't want it ...
13
votes
6answers
24k views

How to add a new kernel to grub2

How can we add a kernel to grub2? i knew the stuff we could do with the former versions, but it seems to have changed. What files should we edit?
4
votes
2answers
9k views

Debian grub2 update removed Windows boot option

Since I updated grub to grub 2 I no longer get the option to boot to Windows (which is unfortunately sometimes necessary for proprietary MSIE browser plugins I need to use for work). Relevant /boot/...
17
votes
2answers
12k views

Can Grub be configured to remember the last OS you booted into?

I typically have 2-3 OSes in my boot menu: Ubuntu 10.04 Windows 7 [Sometimes, a third option, such as Ubuntu 10.04 Netbook] If I am in an OS other than the default choice (Windows 7 in this case), ...
10
votes
7answers
23k views

How can I change console shell's resolution in ubuntu 9.10

How can I change console shell's resolution? By this I mean the shell when you Ctrl+Alt+F1. I'm running Ubuntu 9.10, I thought this could be done by changing grub's menu.lst file by with grub2 I ...
7
votes
3answers
1k views

How to automatically boot from Linux distro to Windows?

Here's the thing: I've got dual boot computer with Ubuntu 8.04 and XP Pro. Sometimes I want to switch between these two. To do this I need to issue "Reboot" in Ubuntu, wait for grub menu and choose XP ...
7
votes
3answers
23k views

How can I restore GRUB without a live CD?

I realize that this is a duplicate of a question asked before, but in that question the asker managed to find his live CD and no real answer appeared, thus I am re-asking it. I managed to screw up my ...
4
votes
3answers
4k views

Would a Windows 10 install overwrite Linux/Grub?

I'm currently multi-booting Windows 8.1 and Ubuntu. Next Wednesday, I plan to upgrade Windows to version 10, but before I do that I'd like to replace Ubuntu with Arch Linux. Is there any point in ...
3
votes
3answers
9k views

Triple booting Windows 8 Consumer Preview with Windows 7 and Ubuntu 11.10

I already have Windows 7 and Ubuntu 11.10 installed on my laptop, and would like to add Windows 8 Consumer Preview to that list. Here's some information which may be relevant to this question: The ...
4
votes
2answers
3k views

windows 7 not booting after ubuntu partition deletion

I had on my laptop windows 7 and ubuntu server 9.10 (the partition with windows 7 was automatically selected at boot time). Today I wanted to install ubuntu 10.4, and for that I deleted the 9.10 ...
4
votes
1answer
14k views

grub2 error: out of disk

I'm trying to make a 250G USB hard disk Ubuntu-bootable on a Compaq nc6220 laptop. I've removed all other disks, so /dev/sda (the USB disk) is the only disk other than CDROM. I installed Ubuntu 9.10 ...
3
votes
1answer
2k views

Clonezilla disk to disk clone on a dual boot ubuntu karmic & XP setup - cannot open '/boot/grub/device.map'

I just tried to clone a failing existing boot drive for a dual boot system with Ubuntu karmic and Windows XP installed using Clonezilla. The cloning worked fine right up until the end when I got the ...
2
votes
1answer
937 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 ...
0
votes
1answer
5k views

Ubuntu 9.10+Windows 7 dual boot, dynamic disks

Ok. Long story follows. I'm a Windows dude, but have started playing around a bit with Ubuntu. I had Windows 7 and Ubuntu 9.10 installed on my notebook until a couple of days ago. Ubuntu's GRUB was ...
6
votes
6answers
49k views

How to uninstall GRUB and get windows 7 bootloader back?

I have windows 7 home premium currently installed and I have just recently installed Linux Mint and it has replaced my MBR with GRUB. Is there any way I can restore the normal Windows 7 Boot Loader ...
5
votes
2answers
9k views

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 ...
5
votes
3answers
72 views

Is it possible to choose which OS will be loaded using a hardware switch?

I'm looking for a more elegant way of choosing which OS to boot than using the menu provided by grub, and I think it would be neat to have a switch on the case with two states (e.g. Ubuntu and Windows)...
2
votes
1answer
2k 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
518 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
2answers
2k 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
2answers
12k views

How to delete the bootloader

I dualboot my pc, windows 7 64 bit, and some linux distro, nowadays i'm using crunchbang. I once had a problem, i lost my bootloader so i created one using easybcd. Later on, i installed a linux ...
2
votes
1answer
4k views

grub-install gives an error message I don't understand

I'm new to Linux, am using CentOS 6.3, and am attempting to install CentOS 5.8 ISO to a pen drive following instructions from here. My pen drive is /dev/sda and partition 1 is vfat. It's mounted on /...
1
vote
1answer
807 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 ...
1
vote
2answers
2k views

change the boot menu - GRUB [duplicate]

Possible Duplicate: Make grub keep its default boot under kernel updates I've got dual boot system - Ubuntu 9.10 and Windows 7. Whenever the GRUB loaded, the menu showed lots of options, for ...
1
vote
4answers
10k views

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 ...
1
vote
2answers
5k views

Remove Linux GRUB and keep Windows boot loader

My operating system was Windows 7, and recently, I installed Zorin OS (linux based on Ubuntu). At first, when I turned on my laptop Windows started automatically. I used a program to make the Windows ...
1
vote
3answers
151 views

Directory /ETC has been moved! — Ubuntu 13.04

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 ...
0
votes
2answers
885 views

Repair Grub after install windows?

i got problem about my PC, my pc use dual OS, but after I install windows the grub cannot detect my BAcktrack,my Backtrack location in /dev/sdaa4, I try to repair but error : sudo su mkdir /media/bt ...
0
votes
2answers
1k views

No such partition grub rescue

I purchased Dell Inspiron Mini 1011 Netbook with Windows 7 pre installed. I installed Ubuntu 10.10 version and it loaded perfectly well. My Wi-fi was not connected. Hence I decided to delete Ubuntu. ...
0
votes
1answer
278 views

Will Windows 7 pick up XP when grub is installed

There's similar questions but nothing quite exactly what i'm looking for I have a laptop that currently dualboots XP and Ubuntu, with XP chainloaded by grub. I'd like to get windows 7 in the mix, ...
0
votes
4answers
600 views

Dual boot nt4 and windows 98

I am trying to dual boot nt4 and windows 98 se (don't laugh - old computer). I have seen Microsoft's instructions for doing this, but it limits windows 98 to have a Fat16 partition (NT4's NTLDR doesn'...
16
votes
2answers
17k views

How to install grub into an .img file?

I did the following: created an empty .img file with dd associated it to /dev/loop0 with losetup created a partition in it with fdisk formatted such partition with mke2fs copied a custom GNU/Linux ...
10
votes
2answers
8k views

GRUB in MBR or Partition?

where should i install GRUB? MBR or Partition Boot Sector? What are the advantages and disadvantages of each approach? Also, if we install the GRUB in the Partition Boot Sector then how the boot ...
17
votes
5answers
2k views

Is it possible to “return” to GRUB after booting Linux without restarting

I am dual-booting Windows and Linux on my SSD and find myself often switching between the two OSes. The SSD is really fast and both OSes boot in about 3 seconds once selected in GRUB. However, it ...
18
votes
2answers
15k 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 ...
8
votes
2answers
4k views

How to copy VirtualBox VDI contents to a partition and dual boot the OS from it?

I'm a Linux user but I keep a compressed Windows XP ISO with me on a pen drive for the case I absolutely need Windows to do something. This works in VirtualBox most of the time. But now I want to ...