General :: Emergency GRUB Loader CD For 64bit Dual Boot
Aug 9, 2010
Installing upgrade from Open SuSe 10.3 to 11.3. I did it on a 32-bit laptop, aborted half way through and couldn't get back on because GRUB loader was corrupted. No problem as there are lots of 32-bit GRUB loaders available for download, install was successful 2nd time. I need to do the same for a desktop x64bit dual core Intel. Can't find a x64bit GRUB loader on internet - how do I extract from my current set-up an emergency GRUB-loader CD?
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Mar 23, 2010
I had a dual boot machine with fedora 12 and windows vista and I could use grub boot-loader to switch between two. Few days ago windows got corrupt and I have to reinstall it. I put windows 7 now and as usual it erased grub. So to reinstall I put the fedora 12 installation CD on and followed some usual setup steps. When I got the command line I issued the command "grub-install /dev/sda" (sda not hda because It showed bunch of sda, sda1..) but surprisingly it said grub command not found. I remember doing it before while it worked fine.
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Nov 8, 2010
I'm trying to dual boot Win7 and Ubuntu WITHOUT using Grub. This is to support Bitlocker encryption.
I followed this guide, and now when I select Ubuntu I get a Grub> prompt and no ubuntu.
I feel like I'm halfway there, I just need to get Grub to load correctly or something.
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Dec 16, 2010
This is the third time I try unsuccessfully to install Debian as a second OS on a hard drive. When it gets to the end of the installation process the installer asks whether I want to go ahead with the Grub Boot Loader, I choose yes. The end result is however that I can't boot that partition within the hard drive -- i.e., Debian. Can someone tell me what is going on? Should I not use the Grub Boot Loader when I have more than one operating system on a machine? Should I not install Grub on the Master Boot Record (MBR)?
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Apr 11, 2011
So I was running Linux Mint, then made a partition and installed Windows 7. But now I can't figure out how to get back to linux because there's no loader/dual boot option on startup, so it automatically goes to windows.
How would I go about installing this?
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Mar 9, 2010
is it possible to use a Windows-based recovery partition on a dual-boot computer to overwrite the Ubuntu partition and remove the GRUB loader? For instance, if you booted up your computer, accessed the hidden recovery partition and used it to reset the computer to it's factory default settings, would that effectively remove the Ubuntu partition and the GRUB loader? Would a completely new installation of Windows overwrite/uninstall Ubuntu and GRUB automatically?
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Jul 22, 2010
I need to install linux (with Grub) un a disk with windows 7 loader (i have 2x choice on that loader and i need to use it).
I tried to dig to find out some methods but nothing.
It's safe? It's better to install Grub on another partition - same physical disk?
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Nov 1, 2010
I'm trying out puppy linux, as I have an old system, and the new Ubuntus do not work on it.
Anyway,I cannot boot from my hard drive but only from the floppy.I'm just not too keen on always booting from the floppy.
Here is the Menu.ls file:
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Nov 27, 2009
I have 2 os redhatlinux 5.1 and windows xp. is it possible to remove grubboot loader.
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Oct 23, 2010
I have triple booted Windows XP (195 GB)partition 0? the second partition is Windows 7 (195 GB)And the rest of a 1TB hard drive went to Open Suse 11.3. if it makes any difference I used g parted to create the three partitions and made them all primary. My problem is I want to change the way they all get along. When I boot up, I get the options;
Desktop -- openSUSE 11.3-2.6.34-12
Failsafe -- openSUSE 11.3-2.6.34-12
windows 1
windows 2
which is fine, but clicking on windows 1 takes me to the windows boot loader with the options of windows 7, or previous version of windows. clicking on windows 2 brings up a screen telling me " rootnoverify (hd0,1) chainloader +1 BOOTMGR is missing press ctrl+alt+del to restart" I would like the end result to be windows 1=XP,windows 2=7, then I can rename them accordingly. one more thing, when I installed openSUSE, I let it automatically configure the hard drive and create the necessary partitions(it deleted partition 3 first). i remember it saying somewhere that the boot manager was past the 125 GB limit, and might not boot.
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Oct 24, 2010
I just made my system unbootable... Here is what i did.. I have two sata HDDs
160 GB (Contained Windows 7)
500 GB
I copied entire 160 gb as an mirrored image to 500GB HDD using Acronis Disk Director. I deleted entire 160 GB HDD.. Removed the 500 GB HDD and kept it seperate.. Installed ClearOS Enterprise 5.2 Worked a little bit... The i wanted to delete ClearOS.. So i connected 500GB HDD and booted again in Acronis Disk director Formated the entire 160GB HDD.. Copied back the entire 160 from 500GB HDD.. Now my sytem refuses to boot... Just 4 letters "GRUB" appears on the screen... I tried booting using XP CD.. It gives a blue screen.. I tried Windows 7 CD.. It says unable to fix due to MBR problem..
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Sep 28, 2010
I have an existing WinXP install on the main drive (/dev/sda) of a Dell laptop. I installed OpenSUSE 11.3 on the second (caddy tray) drive and didn't touch the existing windows partition during install.After install completed, I found there was no boot loader entry for WinXP during startup. Only SUSE-related stuff. I opened YaST boot loader and tried creating an entry of type "other" and device of "/dev/sda1" and set this as the default entry.The /boot/grub/menu.lst file now has an entry:Quote:
title Windows XP-32
rootnoverify(hd0,0)
chainloader (hd0,0)+1
[code]....
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Oct 19, 2010
I have an internal disk with Linux installed and a removable drive bay for swapping out my windows disks. I'd like to get grub to map one option to the bay and be able to boot whatever disk is in there.
Right now it's mapped by id "/dev/disk/by-id/ata-ST3250310AS_6RY00KB61" but I noticed there is a by-path option. I am not sure how to use it and the documentation isn't very detailed. Is by-path a good way to do this or is there some other way to get this to work?
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Jun 14, 2010
I installed ubuntu using wubi and then I tried installing grub 2 but it failed. I need a way to reinstall the mbr sp it will load the windows 7 loader from the first partition.
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Sep 21, 2010
I was installing sqeeze i386 on my laptop VOSTRO 1400 and got this the 'grub-pc' package failed to install into /target/. without the GRUB boot loader, the installed system will not boot.
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Sep 2, 2009
A failed upgrade, from disk images, of Fedora 10 to 11 resulted in no GRUB bootloader main menu appearing on bootup (no WIN, no LINUX choices from which to boot). I am booted directly into the GRUB command shell...so, no WIN, no LINUX, nothing. And my understanding of GRUB shell commands is very low.I have 2 hard disks, WIN on the first, LINUX on the second. I believe GRUB Bootloader is on the first disk.Sadly, I have no external install media.An old grub.conf hardcopy indicates that root =/dev/sdb2, root (hd1,0), kernel /vmlinuz....olderversion...(relative to /boot),initrd /initrd...olderversion... (relative to boot). and WINDOWS on (hd0,1), with chainloader +1
I need to somehow get past this grub shell, and re-install/re-instate the grub bootloader, so it can boot normally.What grub command(s) must I use? I've played around with the commands, but with no success.I worry that if I can't resolve this, the whole machine may be useless.
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May 18, 2010
PC: Dell Precision T7400.O/S: Windows XP SP3 64-bit & Scientific Linux 5.3 64-bit
The above PC has 2 HDDs installed one has XP and the other Scientific Linux.
Problem: XP needed to be re-installed, i've done this now but now the GRUB Boot loader doesnt load - So just boots straight into XP.
Qustion: Is there anywhere to fix the GRUB? Without wiping the 2nd HDD and re-installing Linux!
Let me know if you need any more info
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Jun 17, 2010
Here's my current setup:
Disk 0 (500GB): Windows Vista
Disk 1 (1TB): Windows 7
Disk 2 (160GB): Ubuntu
My boot disk is Disk 0. Currently when I turn on the PC, GRUB loads from Disk 0. I can then choose either Ubuntu or Windows Loader. If I choose Windows Loader (also located on Disk 0), I can choose to load Windows Vista or Windows 7. I like this setup, but I would like to move the loaders (exactly as they are) to Disk 1 so that I can format Disk 0.
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Apr 26, 2011
One thing I notice and hope someone here can steer me in the right direction. When I start up my computer I have the list of options to choose from, if I choose to boot into Win 7 I am the presented again with another boot menu from windows. I would like to remove the Windows boot loader.
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Nov 16, 2010
I have a laptop with windows vista installed on the internal hardrive.Last March I installed wanted to start to use linux so I brought a separate external hardrive partitioned it to enable media storage on one section and installed ubuntu on the other half. It works fine and so does the windows vista on my internal hardrive, however I have to have the hardrive plugged in to boot.Until now this hasnt bothered me, however I've recently started to take my laptop into university and cannot switch it off unless I have the external hardrive with me as I cannot switch it on without it.With it plugged in it loads up GRUB and then gives me the option to load either Ubuntu or windows vista, however if it is not plugged in when I power up it says GRUB loader failed.It also occured to me that if for some reason my external hardrive fails in the future I wont be able to use my laptop anymore.Has the installation of ubuntu (and GRUB) altered the MBR?
Is there some way I can edit the settings so that I can load windows vista without the hardrive plugged in, and then if it is plugged in I get the choice which one to load?
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Mar 15, 2011
I install windows XP and then unix centos. But again when I reinstall Windows xp then my unix centos not shows in boot menu. It automatically goes in windows xp. Now how can I recover my Unix centos.
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Mar 21, 2010
I have Windows 7 on my machine right now but want to dual boot with either Ubuntu or another Win OS.....is there a way to dual boot with ubuntu and keep my windows boot loader or do I need to have grub?
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Oct 23, 2009
I have XP, Win7 Pro and F 11 installed. Before I installed F 11, Win 7 boot mgr was working fine. I then installed F 11 and I went to System/Admin/bootloader to edit it and it wouldn't bring up the boot loader. In the attachment was the error msg. Now my only option when I boot up is F 11.
I do not have access to the Win 7 DVD only the F 11 install disk since I am on a fishing trip and need to use Win 7. How can I repair to the grub boot loader to boot into Win 7?
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Nov 19, 2010
had a dual boot system with openSuse 11.1 and Windows XP working OK - Linux boot loader was where OS selection was made (openSuse was installed after Windows) Last week I had to reinstall Windows and this removed the Linux loader from MBR and Windows booted automatically. I wanted the Linux boot loader back,checked the threads about boot loader restoration and did the following:
- downloaded Knoppix 6.2.1 ISO and burned to CD
- booted with CD
- opened terminal with root privileges and typed:
grub (ENTER)
grub> find /boot/grub/stage1 (ENTER)
> (hd0,2)
grub> root (hd0,2) (ENTER)
>Filesystem type is ext2fs, partition type 0x83
grub> setup (hd0) (ENTER)
setup was successful (no error messages)
Now when booting, i have an error that root (0,3) can not be mounted and "Press any key to continue"??? When hitting any key I see that there is GRUB there with all entries as in original state (Suse 11.1 and Windows) but only Windows can be booted. Then I downloaded live eval of openSuse 11.1 and did the same (booted from CD and run same commands from terminal as root) - again no errors but still "root (0,3)" can not be mounted..
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Aug 26, 2010
Every dual boot guide and every dual boot I've set up I've done the same way. Always install Windows first then install Ubuntu. Well, this time Windows didn't let go of the bootloader it seems like. I have kind of an awkward setup for hard drives...32gb SSD /2X250gb raid1 /home 3gb(at beginning of 1tb HDD) swap
The rest of the TB is Windows 7 Home Premium. I installed Windows 7 without problems the installed Ubuntu 10.04 x64 without problems. It asked if I wanted grub to overwrite mbr I said yes. Computer rebooted... Straight into Windows. I downloaded EasyBCD and added grub to Windows boot menu. The option works great, goes straight into grub. Grub even has Windows listed.
Why is my computer using Windows boot manager and how do I switch it to grub?
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Jul 20, 2010
I have a ubuntu 9.10 system upstairs and a dual boot system downstairs.
I want to change my dual boot system to windows vista only. I tried to do this but I couldn't get rid of the grub boot loader; I still have to go through the bootloader menu to select vista.
How do I remove the grub bootloader?
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Feb 25, 2010
I having a problem getting my grub loader to see one of my hard drives. I added a drive, and my grub loader lost track of where everything was. I couldn't get my old linux (Red Hat 9) so I installed SuSe on my new hard drive. But I need my be able to boot from my old hard drive because it has apps that only run on the earlier version. From /proc/partitions the old hard drive is sdd
major minor #blocks name
8 0 976762584 sda
8 1 2104483 sda1
8 2 20972857 sda2
[code]....
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Oct 11, 2009
I got the grub loader to work finally. The problem is it does not always display at initial boot or a restart. I have seen the selection menu but it doesn't always appear. I have it set to point to windows so that my wife can hit enter when she gets a blank screen.
Below is the contents of my /etc/grub.conf file:
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Jun 8, 2010
What I like is to install Fedora13,Win7,WinXp, and Musix. One HD 1.5TB Ilike on that is win7 and Fedora13,the other one with 400GB WinXP and Musix. What should I do so I can setup on GRUB. How can I set up like that.
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Aug 30, 2010
As I attempted to uninstall an MP3 decoder through the command line, I may have also uninstalled the boot loader to Fedora 13. I entered the command to uninstall the program as su - , left for a second, and upon my return I noticed a lot of things were being uninstalled. After canceling the process I turned of my computer and now when I try to start it, my computer freezes after the Fedora icon appears on the blue screen. After looking through the online manuals, I think I uninstalled the GRUB boot loader. I've been trying to reinstall it through the image on the DVD, but it keeps getting stuck on the blue screen. I use a Toshiba satellite with no partitions.
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