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

5
votes
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 ...
8
votes
2answers
2k 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
23k 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 ...
24
votes
1answer
65k 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).
9
votes
3answers
5k 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 ...
8
votes
2answers
47k 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. ...
3
votes
2answers
3k 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 ...
2
votes
3answers
341 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 ...
8
votes
8answers
22k 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 ...
4
votes
4answers
62k 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 ...
3
votes
2answers
6k 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 ...
0
votes
2answers
221 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 ...
-1
votes
1answer
233 views

Windows 8 not loading after Ubuntu 13.10 installation

My system was running on Window 8 Pro. One thing to note is that, my system is an assembled PC. Yesterday I installed Ubuntu 13.10 on my system. After the installation, first I was not able to boot ...
17
votes
2answers
11k 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), ...
7
votes
3answers
795 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 ...
5
votes
4answers
4k 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 ...
3
votes
3answers
8k 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 ...
5
votes
3answers
14k 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
1answer
13k 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
4answers
6k 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 ...
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
566 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
2answers
2k 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 ...
1
vote
1answer
1k views

How do I recover my Grub 2 installation? The BIOS broke it

I installed Ubuntu 10.10 and Windows 7 on my hard disk and I had one boot loader for both of them, which is Grub2. I had some problems with my bios and hard disk that Led to my issue with Grub. I ...
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 ...
2
votes
1answer
519 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
2answers
3k 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 ...
1
vote
3answers
95 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 ...
1
vote
1answer
218 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 ...
1
vote
2answers
4k 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
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, ...
0
votes
2answers
735 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
1answer
369 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
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
2k views

Unable to boot Windows XP after installing ubuntu 10.10

I have ubuntu 8.10 & Windows XP installed on my PC. I formatted the C:\ partition and installed a new fresh copy of Win XP. After that I was not able to login to ubuntu 8.10. It is clear that Win ...
0
votes
1answer
273 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, ...
-2
votes
1answer
71 views

Boot Loader for windows 7

I asked I have Windows 7 and opensuse 13.1 and Windows boot loader is replaced by grub 2. Now I want to format opensuse how can i restore my Windows boot loader over grub 2. How can I format ...
17
votes
5answers
1k 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 ...
8
votes
2answers
3k 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 ...
8
votes
2answers
10k 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 ...
4
votes
3answers
8k 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 ...
1
vote
4answers
16k 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 ...
3
votes
1answer
8k 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 ...
6
votes
2answers
7k 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 ...
4
votes
3answers
7k 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 ...
0
votes
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 ...
10
votes
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 ...
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
2answers
23k 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
3k 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 ...