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

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
786 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
698 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
2k 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
238 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
4k 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
951 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
276 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
86 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
598 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
603 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
0answers
50 views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
2
votes
0answers
99 views

Stuck at GRUB prompt after booting, how can I restore normal booting?

My machine was dual-booting with Windows XP and Fedora, then I tried to install Arch. While installation power went off. After that, booting always results in the GRUB prompt. Even when I instruct my ...
2
votes
1answer
214 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
1answer
379 views

Windows 8 won't boot after rewriting partition table

I was recovering a deleted partition using Testdisk to rewrite the partition table. However after that, windows 8 refused to boot up. On boot, I am presented with an blue screen saying that there was ...
2
votes
0answers
132 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
583 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
117 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
138 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
222 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
430 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
5k 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
448 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
262 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
62 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
374 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
119 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
421 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 ...
2
votes
2answers
3k views

Dual booting Linux/Win7, Grub refuses to load Win7

Decided to give Linux Mint a try (Ubuntu's interface annoys me), so I installed it with the intention of dual booting with Windows 7. Installation went fine, but now I can only boot into Linux Mint. ...
2
votes
1answer
239 views

Unable to change default OS

I have installed Ubuntu 11.10, Linux Mint and Windows 7 in my system. I tried to set Windows 7 as my default OS but Linux Mint remains as default. I tried to change the order through StartUpManager in ...
2
votes
0answers
917 views

Grub: Legacy 'ask' parameter no longer supported

I'm trying to change the resolution on my base shell (the Ctrl+Alt+1) shell in Debian so that it supports my ViewSonic monitor. The shell appears really fuzzy when it is displayed on my lcd monitor, ...
2
votes
1answer
489 views

Moving Win7 partition to other disk using Linux: how can I have win7 boot again?

I recently got a new notebook which came with Win7 preinstalled. I'm not a Windows guy (all Linuxes here) but I decided to keep it just in case. The problem is that the notebook came with a 5400rpm ...
2
votes
1answer
276 views

Add Windows Vista to the grub menu

I had Windows Vista installed on my computer and created a partition to install Fedora 15. I chose the option to install fedora on any free space, so it should have installed on the empty partition. ...
2
votes
1answer
490 views

Why doesn't GRUB see my SSD partition?

I have a HP nc4400 laptop with an SSD drive in it. Sometimes when I reboot I get a There is no such partition. grub rescue > prompt. If I power cycle the laptop all is good and GRUB is able to ...
2
votes
1answer
148 views

What does kernel entry in Grub configuration file mean

I have looked at the GNU GRUB Manual 1.99 at (http://www.gnu.org/software/grub/manual/grub.html) but I cannot find an explanation of what the kernel entry / command in the grub.conf file means. I get ...
2
votes
1answer
742 views

Grub doesn't load Ubuntu 10.10 after update

I recently installed a lot of updates for Ubuntu 10.10, since 11.04 didn't work on my system (Lenovo x201). Today after the update, grub still exists and lists all OS on boot-up. Starting Windows 7 ...
2
votes
1answer
619 views

OpenSuse won't boot after Windows install

I have OpenSuse 11.4 running and I just installed Windows 7 in the same HDD on some extra space. Windows killed grub (I knew it would) so I put in my grub cd and selected "Detect any OS". It took a ...
2
votes
3answers
2k views

Unable to boot from LiveCD/USB and even Super Grub Disk!

Basically this morning, I decided to format my Win7 as it was getting really slow and I did so with no problems. I also have a Linux Mint OS on dual boot. Since I was springcleaning my windows ...
2
votes
1answer
2k views

Cannot find grldr in all devices

I'm running wubi on XP machine. Started out originally with 8.04, and gradually upgraded to 10.04. Recently, I was creating linux bootable USB drive, and put it in my system to see if it would work. ...
2
votes
0answers
236 views

Error re-installing grub: windows partition corrupted?

I am a Linux newbie, had Windows XP and Ubuntu installed (9.10/ grub2) and working perfectly. I had to re-install Windows XP and thus I followed the official tutorial to reinstall grub2 (and run ...
2
votes
3answers
310 views

Can't use sudo on ubuntu

After update and reboot I get 'user is not in the sudoers file. This incident will be reported.' when trying to call sudo. The problem is that I don't have a GRUB with revovery option. I try to boot ...