Ubuntu :: Install And Configure Grub After Installing Windows?
Nov 29, 2010
I installed in ubuntu 10.04 in my laptop
yesterday i needed windows and had to install it
so right no am unable to boot in ubuntu without my live cd
when i was installing ubuntu eather unchaked to install the bootloader or i installed it not on partition but starit on the drive on the /sda
am able to boot in my ubuntu with the live cd by typing in parameter :grub.
i really need grub boot loader in this computer to be able to chose to boot in windows or ubuntu
i tried couple of instructions and always goat some headache.
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Jan 29, 2010
My problem is that I have installed openSUSE 11.2 on a laptop with Windows 7 already installed. Yast resized my Windows partitions, which seemed to upset Windows as I had to go to my Windows Recovery Disc to restore it. When Windows was restored it did something so that GRUB no longer appeared. So I did a system recovery for openSUSE 11.2 which then removed Windows 7 from GRUB! Now I'm trying to restore Windows 7 and configure GRUB so that Windows and openSUSE will stop fight for boot supremacy and play nice with each other. Here are my Yast2 Boot Loader settings:
Section Management Settings
SUSE LINUX (type)image (/dev/sda6, root=dev/disk/by-id/ata-ST9320320AS_5SX4PRAS-part6)
Failsafe SUSE LINUX (type)image (/dev/sda6, root=dev/disk/by-id/ata-ST9320320AS_5SX4PRAS-part6)
Boot Loader Installation Settings
Boot Loader: GRUB
Boot Loader Location: Boot from Extended Partition
Disk Order: /dev/disk/by-id/ata-ST9320320AS_5SX4PRAS
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Mar 21, 2011
This is a problem when Windows is running some malware that cannot be removed, which happens all the time. The problem is all the new hardware or specialized hardware will not work on Linux so Windows is the only choice. I would think the latest versions of Linux would have this problem worked out by now. I installed 11.3 one week ago, only to find that the repair option in the install menu no longer exists so don't bother uses this link to reload the GRUB HowTo Boot into openSUSE when it won't Boot from the Grub Code on the Hard Drive. I also tried this link Re-Install Grub Quickly with Parted Magic which does not work either. On step 2 typing grub returns the error message "grub command not found". You can use GRUB if you boot the install DVD and select Rescue Boot. However when you type find /boot/grub/menu.lst the error message "file not found" is returned.
I did the following to restore my GRUB boot record. Boot the install DVD and select the update option during installation. Change all the repositories to enable except the NVIDIA repository, it is not responding at this time. When the system comes up go into Yast and open the boot loader. It should have your original boot menu in memory. Change the default to another option and re-write the MBR. This will write a new MBR using the original data updated with your new default. Re-boot and then change your default back. I am just a NewBe so this may not be exactly correct but I hope it saves someone like me some time fixing a MBR re-writing by the Windows installer.
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Mar 16, 2011
my issue is that i want to boot from windows boot loader neither than booting form grub loader...
I have installated windows and then installated red hat...I am able to login to windows and red hat without any issue but my prob is to load red hat and windows from windows boot loader...
Can u guys tell me where to edit and configure the files.
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May 14, 2010
I'm thinking about upgrading my Windows Vista to Windows 7. I rarely ever use it but I figured that when I do have to use it I would rather use Windows 7.
Will it mess up Ubuntu or GRUB when I do this? Like GRUB not recognizing Ubuntu any more? I don't really know but I just wanted to ask this here just in case.
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May 27, 2010
I have updated my Windows from Vista to 7. I knew that this would mess up my GRUB so that it wouldn't show on boot. However, it seems as if my GRUB has uninstalled.
I have tried to reinstall it with a Live CD but this didn't work. Maybe I was doing something wrong. I'm sorry if I'm asking a question that has already been posted but I could only find ways to make your GRUB reappear, not reinstall it.
I'm stuck with Windows 7 for a week or two now and I really want to get back to using Ubuntu!
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Jun 10, 2010
I have my system set up to dual boot Ubuntu 9.10 Karmic Koala and Windows XP Pro, using GRUB 2 (1.97~beta4) as the boot loader. I want to remove Ubuntu and GRUB 2 from the system and install Windows 7 in a dual boot environment with Windows XP. My concern is to be sure that in the process of removing Ubuntu I do not make my system unbootable by removing or otherwise screwing up GRUB without replacing it with the Windows boot loader.
I read a suggestion saying that the most straightforward way to do what I want is to simply install Windows 7 and, during the install process, select my current Ubuntu ext3 partition as the Windows 7 system partition. The suggestion said the Windows 7 install process would overwrite the MBR with the Windows boot loader, effectively uninstalling GRUB 2. The Windows boot loader will find the existing XP installation and give me a choice between Windows 7 and XP at boot time. Does that scenario sound right? Would it work the way I have described it? (I know I would no longer have Ubuntu. That is OK; I intend to reinstall it later.)
For what it is worth, here is my current partition layout:
/dev/hda - 320 GiB internal hard drive
/dev/hda1 - 37.26 GiB ntfs boot (Windows XP)
/dev/hda2 - 18.63 GiB ext3 (Ubuntu 9.10 /root)
/dev/hda3 - 1.69 GiB linux-swap
/dev/hda4 - 240.51 GiB extended
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Jul 5, 2009
I had to install windows for my sister, and I had a 20gb partition there for backup ( /data/ ), and well, that's where I was going for. After reformatting and installing Windows, I try restoring grub and this is what I get:
Code: grub> root (hd0,5)
grub> setup (hd0)
Checking if "/boot/grub/stage1" exists... yes
[code]...
Probing devices to guess BIOS drives. This may take a long time. /dev/hda: Not found or not a block device. Searching for an alternative way to install it, I found that if I 'installed' Ubuntu over my Ubuntu partition, it would automatically restore grub. But when I get to the partition tables, I get a message saying that "The computer has no operating systems on it" and it considers my hard drive as empty.
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Jun 9, 2010
I need some help getting GRUB back after re-installing Windows. Now I don't have access to my ubuntu partition and the installation disk
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Jul 8, 2009
I am completely new to Linux as of today.I finally took the plunge and downloaded and installed Ubuntu 8.04 on my Windows XP computer (dual boot), using the Ubuntu installation wizard to "make room" on my hard drive for Ubuntu by creating a separate partition. The installation finished successfully and Linux boots just fine, but Windows XP will no longer boot at all.
I have read many threads on this and other sites, giving advice of how to correct this problem. I am not at all experienced in editing and working with different ways of booting (other than Windows default). But after some frustration, I located (according to the threads) a couple places to try making changes to the boot commands and I tried various lists that were suggested. Before I changed anything, the Windows XP boot screen would appear and then it would revert right back to Grub.
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what drive number Ubuntu and/or Grub installed to, or assigned to the Windows partition, and I have no idea how to find out. I do not have a Windows XP installation CD (it came pre-installed on my computer), so I CANNOT wipe out that partition and simply reinstall it--I MUST be able to fix the problem without harming Windows!!! I also have data in the Windows partition that I don't want to lose. I could possibly uninstall and reinstall Ubuntu (as I saw suggested somewhere online), but I have not the slightest clue how to accomplish that task--and WHAT IF it didn't work?
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Aug 29, 2009
I have 2 hard disks. In the first one, I have installed Archlinux, with GRUB. The second one is empty. I have a Windows XP .iso file. Is it possible to install Windows XP in the second hd, without having to burn the ISO file? I don't have got any CD recorder/reader.
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Sep 22, 2009
I am using windows XP.I wish to install GRUB bootloader so that I can modify menu.lst & add lines to boot from an ext2 partition having iso of linux distro.One way is to use live cd & try 'sudo grub-install <device>' but I don't have live cd.I came to know about open source software 'wingrub' but I am not able to understand how to use it even after reading [URL] what should I do to install GRUB in mbr & have option to boot to c drive which has windows & another partition (/dev/sda2) which has linux.
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Aug 24, 2010
I had to dual boot my computer again with windows unfortunately for school. This is something I've dealt with dozens of times in the past but when I try to recover grub 2 with the ubuntu live cd I get this:
sudo grub
sudo: grub: command not found
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May 21, 2010
I am pretty new to ubuntu, and not sure if this question has been solved by anyone, I tried search this forum, but didn't find enough information. The closest thread I found here was this one:[URL].. Here is my situation, I have installed Ubuntu 9.04 a few days ago with an old Live CD, after running it pretty well, I upgraded it to 9.10 with the online update tool. (I guess this makes sure I was using Grub 1, the legacy Grub). After updated to 9.10, I installed a Windows XP on my hard drive, obviously, it wiped off my Grub from the MBR. So I tried to restore the Grub back to the MBR, but failed, please see below:I first run the fdisk
Code:
ubuntu@ubuntu:~$ sudo fdisk -l
omitting empty partition (5)
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
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Aug 16, 2015
I have 2 HDDs, and under linux, sda is ntfs, sdb is ext4 of debian jessie, the booting order is sdb ( it contains the grub on sdb's MBR) then sda, the windows boot loader on its own MBR.
The sda was win8, but now just formatted it and did a fresh installation of win10. After power off PC and plug the sdb up again. Turn on the power, setup the booting prior as same as above, but, the grub can not realize the windows 10 boot sector, error message is: no such device /dev/sda1... (and following a digit array) 8xxxxxxxxxxxx....
How to config grub in order to make it can dual boot both Operating System?
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Dec 20, 2009
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. Which I did on my C drive. However, when I re-boot I on longer get the GRUB loader displayed so cannot boot into fedora.
Is there anything I can do?
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Dec 26, 2009
have an Intel Core2 Duo system that would dual boot via GRUB between Windows Vista and Fedora 10. I recently attempted to upgrade from Vista to Windows 7, however because the version of Vista I had would not upgrade to Windows7. This has removed the ability to boot into my Fedora 10 installation. After some brief research on the Internet, I created a Live CD of Fedora 12, and booted into that. Accessing the terminal I tried typing:
[liveuser@localhost ~]$ su root
[root@localhost liveuser]# grub
Probing devices to guess BIOS drives. This may take a long time.
GNU GRUB version 0.97 (640K lower / 3072K upper memory)
[ Minimal BASH-like line editing is supported. For the first word, TAB
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Error 15: File not found
What is needed so I can restore GRUB on my system and boot into Fedora again?`
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Sep 1, 2010
I had two OS in laptop windows vista and linux mint and when I used to start my computer I used to get different option for os like linux mint, linux mint memory check, windows vista etc.. but because of virus windows vista got crashed so I formatted disk drive C: which were containing windows vista and reinstalled fresh copy of vista.. but now when I start my computer vista start automatically, I do not see GRUB options to run windows os or linux mint..Is there a way to reinstall GRUB to get options like I used to get before formatting ?
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Jan 11, 2010
Since CloneZilla doesn't include the MBR when saving a partition into a file, I need to take care of this myself. With a working XP in /sda1, I'd like to...
1. Boot with a Linux live CD
2. replace the Windows MBR with Grub, ie. without any Linux already installed
3. save Grub's configuration files into /sda2 (which is ext2fs-formatted)
4. add XP to Grub
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Apr 27, 2010
I have a used PC that came pre-installed with suse 11.2.Unfortunately, I do not have the install disk to use in case of whatever.I already know that when configuring a dual boot with Windows and Linux, it is recommended to install Windows first.I do not have that luxury now as 11.2 is installed and GRUB is the boot loader.Question is, if I boot the Windows 98 install disk on boot, how to not mess up GRUB and still add Windows 98 to GRUB menu?
One hard drive only here. 98gb free.It seems that W98 install will overwrite GRUB in this situation - causing problems. Maybe not, I don't really know for sure.I just need to install windows 98 on the same hard drive and if possible, have suse and w98 visible on boot in GRUB.
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Feb 21, 2010
My computer initially had one hard drive, with Debian Lenny 5.0.4 installed. I haven't done any special configuration, so upon boot, I was presented with the GRUB kernel select menu, then gdm, etc. I think I used the Debian installer's 'use entire drive with LVM' configuration.
I then added a second hard drive, with the intention of installing Windows XP on it. After I installed XP on this second drive, I found out that it had overwritten the MBR on the first drive. (It was my intention do use the BIOS' F8-key boot menu to choose between the two drives, each with their own distinct boot loader. The two drives and OS's would be completely independent.)
Using my Debian installer CD, I think I have GRUB installed on the first drive again. I've found a number of tutorials which say I can use 'set' and 'linux' to boot the system, but the linux command always returns a file not found error.
I think my LVM filesystem is still intact, as the Debian installer's fdisk reports it, it can also chroot to it and my installation appears to be intact. 'ls' within GRUB shows (derek-swap_1) (derek-root) (hd0) (hd0,1) (hd0,2) (hd1) (hd1,1) (fd0) . 'derek' was the hostname I used.
I would like to simply restore the system to the way it was before: with the standard GRUB that comes with Debian 5.0.4, which then boots into the debian with my LVM filesystem. Is there a way to do this from the Debian installer CD? (I was hoping there would be a 'dummy install' command which would install GRUB and configure it properly, but leave all my existing partitions and filesystems intact.)
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May 28, 2010
I recently replaced a failed graphics card w/ a GT 240. Next thing I know, Fedora 11 won't boot up properly. I guess it was a driver issue. I can tell you I went about fixing it all wrong because I wiped the FC11 partition (intending to install FC13) and now I can't boot anything up. My system consists of: sda1 vista, sdb1 XP, sdb5 extended, sdb6 Fedora. I thought grub was on the fedora partition, but reinstalling fedora with grub on that partition didn't fix the boot up problem. Do I need to replace the windows boot loader on sda1 with grub when installing fedora?
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Aug 17, 2010
Now I installed Opensuse on my system which already had Ubuntu 10.04 and Windows 7 on it. Whilst Opensuse's replacement Grub correctly identified Windows as an alternative system it did not do the same for Ubuntu. I've been tinkering around in menu.lst (after taking back ups) and I can't ever get Ubuntu running - I either get a Grub error 15 (file not found) or error 17 (unable to read partition). By booting on a live CD I can see that all the information is still there, I just can't for the life of me figure out how to get to it from Grub! Did Opensuse move the partitions around during install?
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Jan 3, 2010
I'm just slightly confused here, but... what the? Why does installing grub-doc remove BOTH grub-pc, and grub-common? So basically it seems like by installing grub-doc, I have uninstalled grub totally (yes, it is still there as the bootloader, but i have no way of updating it now!) from my system. What's the conflict between grub-doc and grub-pc, such that grub-pc has to be removed?
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Dec 8, 2009
since FC1 i install Fedora on a seperate HD on my PC without installing GRUB. I always made a bootdisk and since FC4 a boot CD with mkbootdisk. If i try to make a bootdisk via mkbootdisk --iso --device/tmp/bootdisk.$(uname -r).iso $(uname -r) under Fedora 12 i get a kernel panic if i try to start from this disc:Kernel panic: not syncing: VFS: Unable to mount root fs on unknown-block(0,0)PID: 1, comm: swapper Not tainted 2.6.31.5-127.fc12.x86_64 #1Call Trace: then there a some hex values and the message that i should choose a proper root partition. if i start with options linux root=correct_bootpartition i get the same kernel panic with the same message.I found out that it must have something to do with the kernel*.img file. In earlier versions the of fedora it has been copied to the iso image. That's not done anymore.Iso size F11: ~ 8.8mb; Iso size F12: ~3.4MB
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Apr 22, 2010
I lost grub on installing window7 , used caf,s way Re-Install Grub Quickly with Parted Magic - openSUSE Forums to install but on typing find /boot/grub/menu.lst it does on find menu.lst however i could see the file by mounting the right drive. I dont want to fresh install suse to get grub
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Jan 12, 2011
This is my first linux install ever, so I have no idea what is going on. I hope I have enough information to get this figured out as soon as possible. I was bored with windows 7 and wanted to learn another operating system. I made a boot cd with openSuSE gnome. On the internal hard drive is my windows 7 boot system that i do not want to touch, and on the external 1tb hard drive, i'd like to partition 50 GB for openSuSE. If this is not possible i have another method, but i'd rather not use it (which is use my secondary 80 GiB hdd). When installing, I am getting the error, "Error occured while installing GRUB" Which shows the following:
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May 18, 2011
I used to dual boot openSuse and XP but I yanked out my linux HDD and now my Windows will not boot, I get a GRUB error 22 (missing partition).This PC does not have a CDrom so I can not simply use the fixmbr from an XP recovery console.I have booted into opensuse Live CD (Flash Drive) and tried to use Yast but it gives me an error it can not write because of the partitioning. I also tried the recover shell but am totally lost trying to re-write GRUB because I can not find the menu.lst file.
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Aug 3, 2011
Before installing OpenSUSE I shrunk my Win 7 partition down in half, then created 3 partitions out of the new free space for /root, /home and /swap. I installed opensuse and when it got to the bootloader section I kept getting Grub error 17 - cannot mount selected partition, and so on. I made sure it was writing to the MBR and also into /boot if that makes a difference, but I did get a prompt that said YaST couldn't make changes to /dev/sda (I'm paraphrasing and can't remember the exact error message). At the moment I have suse installed and my windows partition intact, but no bootloader (not even windows one) so all I can do is boot to Live CD.
Below is the output of fdisk -l. There's quite a few more partitions than it's showing, sda3, sda4 and sda5 are my /home, /root, /swap and the other ones are windows partitions, like the system recovery along with the win7 install. During the suse install I formatted the home and root partitions with ext4 filesystem.
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Dec 15, 2010
I have a laptop with the CD-ROM apparently broken, so I installed OpenSuSE 11.4 milestone4 from USB stick .unfortunately in the end of the installation I had a GRUB configuration error (twice) . then, in the third time I removed GRUB from the installation procedureSince my other GNU / Linux is Ubuntu, I did update-grub on ubuntu, it detects the presence of OpenSuSE but it does not add it to its grub.cfgwhen I wanted to add it manually to ubuntu's GRUB, I realized that, in OpenSuSE, the /boot path was empty.My Question is: Do you know how to put the files needed to boot OpenSuSE (initrd, vmlinuz , ...) in the directory /boot without installing OpenSuSE's GRUB ?? (ie keep the ubuntu's GRUB)
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