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
1answer
333 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 ...
2
votes
1answer
2k 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 ...
2
votes
1answer
205 views

Encrypting a Dual-Boot Hard Drive

I have a computer dual-booting Windows 7 and Arch Linux. The Arch installation has already been encrypted with LUKS and LVM, as follows: sda Computer's Hard Drive, GRUB2 in MBR | sda1 ...
2
votes
1answer
768 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 ...
2
votes
1answer
8k views

how do I fix a wrong UUID in grub.cfg?

I run Debian Wheezy alone on my PC and I recently copied the root partition to another with rsync as I found that worked well (I also know about dd and ddrescue but they leave unusable space on the ...
2
votes
1answer
787 views

Repair GRUB bootloader for multiboot system

I have two hard disks – one a 1TB and the other a 250 GB. I installed the OSes in the following order: Windows 7 on the first hard disk (1 TB) After that Kubuntu 12.04 on a partition (/dev/sdb7) on ...
2
votes
2answers
151 views

Is it possible to boot Windows normally, but boot up Ubuntu if certain usb drive is in?

I have 2 operating systems installed. But I want the operating system that boots, to be dependant on whether there is a usb flash drive inserted or not. If a flash drive is not inserted - boot ...
2
votes
1answer
1k views

Slow Windows 7 bootup after grub dual boot

I have a 1.5TB SATA drive with a fresh (working) installation of Windows 7 Ultimate. I decided I'd like to dual boot with Ubuntu. I have a separate 500GB drive that I wanted to use. Previously, my ...
2
votes
1answer
2k views

GRUB in text-only mode?

I'm attempting to install linux on a (mostly headless) machine that fails when it attempts to pipe out VGA resolution graphics (or, in other words, it can only handle vanilla console text). Ten years ...
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
1answer
406 views

How do I remove Windows 7 from GRUB in Ubuntu 11.10?

I just installed Ubuntu 11.10 on my Windows 7 Box. It's a single boot. The intention was to install Ubuntu and destroy Windows 7 with a full erasure if you will. However, post install my PC was ...
2
votes
1answer
2k 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 ...
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
1answer
818 views

Grub waiting for input Ubuntu 11.04

I installed Ubuntu 11.04 fine, but Grub is waiting for Enter..? Why? /etc/default/grub GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 ...
2
votes
1answer
770 views

GRUB Error 22 after accidentally deleting Ubuntu partition from XP's disk management

I accidentally deleted the linux partition on a system that dual boots with XP Now when I boot I get Grub Error 22 I can't remember which version of Ubuntu I had - it's either 8.10 or 9.04 I ...
2
votes
2answers
3k views

Grub: boot failed!

I installed a PCI Magic Card on my system. It installs grub bootloader (I presume). When it tries to boot I get the following: Boot failed! Press any key to enter command line. I'm using Windows ...
2
votes
2answers
239 views

How do I recover grub after installing Windows? [duplicate]

Possible Duplicate: No GRUB after re-installing windows Hello all, I had dual booted my computer with windows 7 and ubuntu.... Now windows 7 has crashed so I would have to reinstall it.... ...
2
votes
2answers
1k views

How to remove Windows Vista bootloader?

I just removed Windows Vista from my computer by simply formatting the partition (as described here). But - as I guessed - this does not change anything with the Bootloader. So, when I start Windows, ...
2
votes
1answer
5k views

grub4dos not booting on Windows Vista/7

Here are the following steps to experience this problem. 1) download grub4dos 0.4.4 here: http://download.gna.org/grub4dos/ 2) copy grldr, grldr.mbr, menu.lst to C:\ 3) some commands here: ...
2
votes
1answer
1k views

How to fix grub after moving root partition?

Because I am using one of the new WD disks I am trying to aling my root partition with the real sectors, as described here: ...
2
votes
1answer
148 views

Ubuntu Grub problem

I have/(had) Windows XP on one partition of my hdd. On the second partition I installed Ubuntu 9.10 yesterday. After reboot of Windows XP, I get the error "GRUB LOADING.". Now I know that you can ...
2
votes
1answer
294 views

Problem reinstalling GRUB

I have a PC that dual-boots Ubuntu and Windows Vista. I recently reinstalled Windows Vista after some problems and now the bootloader's gone. I've been trying to follow this Ubuntu community guide ...
2
votes
1answer
87 views

ubuntu: kept old menu.lst, think it is the source of problems

I recently upgraded to karmic, and clicked to keep my old menu.lst (to keep my windows XP boot info)... but now I'm not using the right kernel. Is there a way to have it give me the correct up to ...
2
votes
1answer
6k views

Grub makeactive command in Grub2?

Currently i have GRUB2 with Ubuntu 9.10 installed, including 2 other O/S. I have an entry for an o/s in my grub.cfg: menuentry "My OS" { insmod ntfs rootnoverify (hd0,6) makeactive ...
2
votes
2answers
605 views

Grub and Renaming… Why does Kubuntu 9.10 make it so hard?

I'm trying to rearrange the grub menu in Kubuntu 9.10 (similar to this post), but unfortunately, Kubuntu includes the latest (and NOT greatest) version of grub, which no longer uses the elegant ...
2
votes
1answer
2k views

Installing Xen on Ubuntu 9.10

I'm doing my first ever installation of Xen, and while the documentation is pretty extensive, I haven't found any thing appropriate to Ubuntu 9.10 anywhere. Basically, in the past it seems you would ...
2
votes
1answer
1k views

Active partitions with Windows 7 and Debian

On, my system I originally installed Windows 7 and then after that Debian. At this point GRUB would appear and I could choose to boot either Win 7 or Debian. Now after upgrading to the latest version ...
2
votes
2answers
608 views

Ubuntu dual boot and grub error 18

I've attempted to install 9.04 on an older toshiba laptop with a new 300GB drive and am getting the dreaded Grub error 18 that indicates that grub is looking beyond the bios readable area of the HD ...
2
votes
2answers
2k views

How can I boot Mac OS X install DVD through GRUB on a Mac Mini

I have a Mac Mini with Ubuntu Fiesty on it - but need to re-Mac it. My problem is that I can get it to recognise the install DVD. I've tried using the memdisk.bin / sbootmgr.dsk combo but can't seem ...
2
votes
1answer
1k views

on dual-boot system, Ubuntu stopped booting; it now just goes to Grub

I have a dual-boot system, Ubuntu and Windows XP. Ubuntu has been freezing occasionally. I've just been turning the computer off and back on when that happens. The last time it happened, I turned ...
2
votes
1answer
45 views

Stop Windows 8.1 from removing Grub

I've got a relatively new HP Envy machine running Windows 8.1 that I want to run Ubuntu on. Installation works great and I'm all happy until I boot back into Windows, at which point grub is removed ...
2
votes
0answers
29 views

Boot Debian with external monitor as primary display device

I have an old HP laptop with non-working display. So i decided to convert the laptop to a private server. I connected it to my TV and installed Debian 7.7. The installation was smooth with the display ...
2
votes
1answer
370 views

GRUB doesn't show up when second hard drive is present

I just finished messing with Windows 7 + Linux Mint dualboot and finally got it to work. Grub handles the booting. It works as expected as long as I have only my main hard drive connected. When I ...
2
votes
0answers
222 views

PC reboots after “Welcome to Grub” unless booted from BIOS

I have a Linux machine running on an ASUS P8H77-I. The boot drive is correctly set in the BIOS. If I let it boot normally, I see the Welcome to Grub line, then it reboots, and repeats forever. If I ...
2
votes
1answer
1k views

Is it possible to boot a Windows VHD using GRUB on a physical machine?

Is it possible to boot Windows from a VHD file which is stored on a Linux partition? I don't want to run Windows under VirtualBox. Linux is the only OS on the hard drive, and Windows should only ...
2
votes
0answers
136 views

Windows 7 not showing on Grub 2 list

I have Linux Mint and Windows 7 installed on two separate drives. I have bounced between the two all day (initially trying to get mint to show in the windows boot list, and now working on getting ...
2
votes
1answer
188 views

Put linux on the fifth partition

So I have this quite "insane" partition scheme on my MacBook: Kevins-MacBook-Air:~ Ingwie$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: ...
2
votes
0answers
268 views

Dual Boot with Windows: Enable numlock

After I installed Ubuntu along with Windows, in both OS's I had to manually enable numlock (despite having enabled a setting for this in the BIOS I believe). Is there a way to enable numlock?
2
votes
0answers
556 views

Having problems with booting GRUB for EFI on USB stick

Whatever I do, it constantly drops me into the 'bash prompt'. Never displays a menu, nothing. I'm running GRUB on a USB stick formatted as msdos (so, FAT) and when I boot into it, GRUB simply won't ...
2
votes
0answers
6k views

How do I replace GRUB with the Windows 8 bootloader without losing access to Linux?

I dual-boot Windows 8 and Crunchbang Linux. I installed Windows first, then Linux. GRUB was installed directly in the MBR. However, now I suspect that GRUB is the reason why I can't use bcdedit on ...
2
votes
0answers
607 views

CentOS Freezes on Startup

I'm very new to Linux, so please go easy! I created a Linux install on VMWare Workstation 8 in order to install a piece of software called OpenClinica. The program is Java based and depends on ...
2
votes
1answer
1k views

dracut Warning: Unable to process initqueue

I'm on Mageia2 x86_64 with kernel 3.3.8-desktop-2.mga2. The kernel boot normally. My laptop is old so i need the old kernel for better compatibility and functionality. The problem is that the old ...
2
votes
1answer
383 views

Custom MS-DOS / FreeDOS

Goal : Build a custom DOS to boot into. To automate tasks like formating a drive, or doing recovery. I've been using Grub4DOS to boot into these images. So far I've looking into taking a windows ...
2
votes
1answer
2k 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
0answers
292 views

using Grub to boot windows 7 off an extended partition

I am trying to set up a multi-boot computer with grub that will allow the user to boot to VxWorks or one of several windows instances. The partitions are set up like the following: Vxworks - (hd0,0) ...
2
votes
0answers
68 views

Computer stopped booting after I tried to allocate a drive to unallocated space

I installed Ubuntu on my Windows 7 yesterday and after that I booted to Windows. After that as I saw an unallocated space while installing Ubuntu, I tried to allocate that unallocated space to make it ...
2
votes
0answers
472 views

Use GRUB/GRUB2 to PXE boot OS image

Here is the situation I am in: I currently have a Windows drive that boots XP. The BIOS does not support PXE booting so this is out of the question. Therefore, I was thinking I could install a ...
2
votes
0answers
126 views

Possible HDD malfunction. Need help in diagnosing

Today when using my PC as I did for almost 4 years I experienced the following: during opening new tab in Opera browser screen froze. Music (AIMP 3) continued to play for about 5 minutes and then ...
2
votes
0answers
490 views

GRUB will not work

I am having trouble with my hard disk. Previously, I had a working Linux Mint Debian Edition partition and a Windows XP partition, all working and bootable through GRUB. However, I decided to replace ...