Ubuntu Installation :: Grub Is Unable To Find Partition
Oct 4, 2010
I have a 9.10 ubuntu desktop on a tower (bought 2004) working fine, and wanted to add a 10.4 server on an additional partition. After install, I stated grub may be newly written, as the list of os was fine. After reboot I got "grub rescue>" I managed to get the system working again, and now I have a grub2 menu list stating correct entries. But when I select the server entry the boot fails telling "disk not found" (The UUID of the partition given is correct, and also shown when accessing the partition from the 9.10 desktop (this needs an additional authentification when mounting) grub shell command ls does not show the partition, all other tools (life-CD, working installation, gparted etc.) do show it normally, I cannot find any difference. The partition is on the beginning of the disk
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Jul 4, 2011
i have 500 GB SATA drive with windows 7 and Ubuntu 11.04 500 GB drive divided in 3 partitions on one partition thers is windows 7 and on 2nd Ubuntu now i'm installing a software it's asking where you want to load your Grub and i don't know in which partition my GRUB is. my question is is there any way to find out which parition got my Ubuntu GRUB?
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Mar 22, 2010
had a dual O/S win Vista 64bit & unbuntu 9.10 64bit.
1. Had a virus on my Win vista side, anti virus could help (virus kept replicating itself - to halt all progs from running).
2. In the End Win Vista would start & was only used Unbuntu for about 2 days.
3. Tried to repair Win Vista, but noting worked.
4. Couldn't mount Win partition through unbuntu either - needed to copy some files across.
5. Eventually formatted Win partition side & re-installed Win Vista 64bit.
6. The problem now is that the grub option to select the O/S choice isn't there, thus i can't use Linux.
6b. The computer loads only Win vista 64bit (Like there usn't a Linux)
7.Checked at the disk management prog - could see my linux space but have no access.
8. Used a live Linux cd to access linux partition, just to check - it worked.
9. how can i acccess the Linux O/S as normal?
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Nov 1, 2010
I got ubuntu 10.04 lucid lynx along with windows (dual boot) and using Grub. On my computer, I have my C:/ (programs) and D:/ (data). I've never used my D:/ before that day that I've lost my windows partition on my grub menu. I usually use my D:/ with windows. The first time I used my D:/ to store data with linux, I lost my windows option in my grub menu. I'm not sure what I did wrong but I do want to restore my windows option in my grub menu.
After "fdisk -l",
I checked in /boot/grub and there is no menu.lst to modify. how I can get back my windows option in my grub menu ?
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Sep 14, 2010
I had my HD partitioned with Win7 and 2 versions of Xubuntu (32 and 64 bit). and Grub as multiboot loader. I removed the 32 bit version and assigned the free space to the 64 bit version using the Gparted bootCD, but now Grub can't find any partition anymore at boottime. All I get is this message and prompt when I try to boot my computer: error: no such partition grub rescue. My Linux partition is supposed to be sda6. When using the 'ls' command I get quite few entries, from which one is (hd0,6), which is sda6 I suppose.I can list the contents of directories on (hd0,6).I've tried instrucions from this page, but many commands don't work, like 'linux', 'initrd' and 'boot'.I really don't want to loose my current OS's. Is there a way to recover fom this so I get the Grub boot menu with my Win7 and Xubuntu entries again?
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Jan 7, 2011
I messed up my mbr by deleting my other drive which I guess had the MBR for both my OS (2 Windows 7's). So i installed Ubuntu in an attempt to fix it all hoping to get the GRUB. It then booted directly into Ubuntu.So I ran bootsect.exe tx the mbr and it said success.Still boots into Ubuntu directly without and grub.
I ran sudo update-grub
Found linux image: /boot/vmlinuz-2.6.35-22-generic
Found initrd image: /boot/initrd.img-2.6.35-22-generic
Found memtest86+ image: /boot/memtest86+.bin
done
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Jun 27, 2011
I recently installed Ubuntu 11.04 on a clean hard drive. Everything went well and I ended up giving /home it's own partition. After a while I figured I would dual boot with windows 7 and my mbr got overwritten. Now after this happened I googles how to fix it and found the same answer almost everywhere. It had me go into terminal and run grub an find my partition and setup grub again. All of this was done off a livecd. The only problem was that my livecd didn't have the grub shell installed. Everytime I ran "sudo grub" it would say "sudo: grub: command not found" I tried to install it but it kept giving me errors and I only once actually got into grub, but it could not find my partition. Whenever I typed "find /boot/grub/stage1" it said directory does not exist. So I attempted to fix it my own way. I installed another version of ubuntu along Sid the first. This allowed me to triple boot between the two versions of ubuntu and windows 7. So I booted into my original ubuntu (11.04) and deleted the older version of ubuntu with gparted. I deleted the partition and restarted, but when I restarted I got an error saying that grub could not find the partition. I can boot into my original ubuntu through the ultimate boot cd but it is a round a bout way of doing it. Is there anyway I can set grub to search for ubuntu 11.04 on startup instead of the deleted version of ubuntu?
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Aug 29, 2010
I am playing with grub and i change the root using:
How can i know what's x for /dev/sda7 ?
The problem is that in Gparted view, the order is not like sda5, sda6, sda7, ...but the order is like:
So what's x for /dev/sda7 ?
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Apr 14, 2011
I deleted the wrong line in grub.conf, and now cannot boot into my Windows Vista anymore. I really need to get it back right away, I am trying to do my taxes, and they are on there, and I can't get to them. I added this to grub.conf, but no luck.
Vista
root (hd0,0)
chainloader +1
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Jun 24, 2010
I've had Ubuntu for quite some time, but recently I got my hands on a copy of a Windows 7 Upgrade disk, and thought that I would like to dual boot between Windows and Ubuntu. I wiped Ubuntu from it's partition because I know that Windows is picky and needs everything to be clean to be installed. Then I proceeded to install Windows 7 using the upgrade disk only to find that the product key to activate Windows wasn't valid. This was because I tried to clean install Windows 7 instead of upgrading. Then I reinstalled Ubuntu 10.04 on my computer and was able to dual boot between Ubuntu and Windows. After reading online, I discovered that all I had to do was reinstall Windows once I was running Windows for the product key to be valid. Now windows is running great on my computer, but I am unable to find the Ubuntu partition to boot into it. Every time I turn on my computer it goes straight to windows and I don't even have the option to boot into Ubuntu even though it is still on my computer.
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Dec 16, 2010
I updated yesterday and now when I start my laptop it goes in to grub rescue mode. I have booted from a 'live cd' and thought I could repair grub from there. In gparted however the partition with ubuntu (sda1) is seen as unknown file system, in terminal when I list the partition table it shows up as FAT16 type. When I try a grub-install it gives this error message:
[Code]....
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Apr 27, 2010
I had two OS win xp nd fedora10.i formated my xp nd was installing windows 7 in its place when i did the same my fedora got invisible i m unable to find whole partition where my fedora was installed. and i cant use fedora now.
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Apr 4, 2010
My recent setup was 32-bits Ubuntu 9.10 with / on a 20 gb partition and /home on a different partition on the same physical hard drive. Two days ago the system suddenly froze while idle. I rebooted and got the error message at start up that the system was unable to mount every unit that was listed in fstab. I troubleshooted by using a Live CD but could not find any reason to why i could not find the home partition. It lists in gparted but not in terminal using df.
I've made another install on a different physical hard drive and don't care about the previous installs, but I would like to get the data out of the home partition. If anybody have any idea what to try to access it
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Feb 28, 2011
I recently installed Ubuntu 10.10 on my computer from Windows 7. Originally my Hard Drive was Split into two separate partitions. One was for the OS and the other was basically a storage drive. During the install of Ubuntu I deleted the OS Partition, Installed Ubuntu in that Partition, and used my Storage partition as a Swap.
After the install was complete Ubuntu loaded great and works just fine, the only issue is I can't find the other Partition where all my files were stored. Is there any way to locate this partition and access it as you would with Windows Computer>D:>etc or is there some other way to go about this?
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Jun 13, 2011
I have an install of slack64 13.37. I am unable to find grub in the repo via slackpkg search grub. It doesn't seem to be in the release package list either. Ditto the extra and testing repo. Has it been removed?
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Oct 12, 2010
i installed ubuntu inside windows but someone instead of uninstalling it directly deleted the ubuntu folder inside windows ,thinking that the partition will be deleted. but when i restarted the system and command prompt came and said unable to find boot record and i couldn't boot windows as well and a grub prompt came like grub>, then i inserted the windows boot cd and repair the boot record error but my problem is , instead of doing this way, can i do so by grub prompt directly without using winidows cd.
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Aug 15, 2010
I cannot install Kubuntu (or Unbuntu) 10.4 on my husband's computer. I have spent 5 hours on this and cannot get anywhere. I am deeply frustrated. The iso I burned to CD is good (works on 2 other computers). His computer will not boot from USB, no matter what I do to the drive order in BIOS. After loading the blue screen with the Kubuntu logo on it (and the blue-white dots), the screen changes to black and shows the following text:
BusyBox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu11) built-in shell (ash) (initrafs) Unable to find a medium containing a live file system.
He really needs to get rid of WinXP. Kubuntu is what I have on my computer (and love it!). Here is some info about his computer:
OS Name Microsoft Windows XP Home Edition
Version 5.1.2600 Service Pack 3 Build 2600
OS Manufacturer Microsoft Corporation
[code]....
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Apr 29, 2009
It seemed that it would be simple enough: take the 'f' option in the expert menu of fdisk to put partitions in order after a gap had been created by a deleted partition and then make corresponding changes in /boot/grub/grub.conf because the root partition was shifted.
Well, it didn't work out that way. No matter what I try, I either see the error 15 at Stage1.5 or the error 28, which is even stranger (file does not fit into memory). All this before I even see a grub menu. It just does not get that far.
Does anyone want to take as stab at guessing what might have happened here and whether I have a chance at recovering without having to reinstall? I can provide concrete data, if anyone would be kind to give it a try. Hoping that this is a known problem and something can be guessed from what I stated here but I can be as specific as needed, just don't want to generate noise if there are no takers.
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Mar 27, 2010
I'm running Karmic Server with GRUB2 on a Dell XPS 420. Everything was running fine until I changed 2 BIOS settings in an attempt to make my Virtual Box guests run faster. I turned on SpeedStep and Virtualization, rebooted, and I was slapped in the face with a grub error 15. I can't, in my wildest dreams, imagine how these two settings could cause a problem for GRUB, but they have. To make matters worse, I've set my server up to use Luks encrypted LVMs on soft-RAID. From what I can gather, it seems my only hope is to reinstall GRUB. So, I've tried to follow the Live CD instructions outlined in the following article (adding the necessary steps to mount my RAID volumes and LVMs). [URL]
If I try mounting the root lvm as 'dev/vg-root' on /mnt and the boot partition as 'dev/md0' on /mnt/boot, when I try to run the command $sudo grub-install --root-directory=/mnt/ /dev/md0, I get an errors: grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea. grub-setup: error: Embedding is not possible, but this is required when the root device is on a RAID array or LVM volume.
Somewhere in my troubleshooting, I also tried mounting the root lvm as 'dev/mapper/vg-root'. This results in the grub-install error: $sudo grub-install --root-directory=/mnt/ /dev/md0 Invalid device 'dev/md0'
Obviously, neither case fixes the problem. I've been searching and troubleshooting for several hours this evening, and I must have my system operational by Monday morning. That means if I don't have a solution by pretty early tomorrow morning...I'm screwed. A full rebuild will by my only option.
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Apr 8, 2010
i tried installing windows 7 on a partition on my laptop but i'm getting this message:"setup was unable to create a new partition or locate an existing system partition "i tried googling and found that it has something to do with the number of partitions:my hard disk layout right now:
p1 ext4 21gb /home
p2 ntfs 64gb
p3 ext3 18gb ubuntu installation
[code]....
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May 25, 2010
Just installed 10.04, loving the new theme and default background. My problem is that Grub won't detect my Win 7 boot. I installed it the way i normally do, seemed to work for the last few times. I put in my Windows recovery disc to try and fix the MBR but that failed as the disc wont even see my Win 7 install. I have included my boot info script file.
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Apr 19, 2011
So I recently started using Windows 7, but it kept crashing so i thought "OK back to WinXP and Ubuntu 10.10" So I installed Windows (urrrggh) and that went fine, but now that I have come to installing Ubuntu Desktop 10.10, it cant seem to find the Windows XP partition, I tried manually editing partitions but it wouldnt let me resize the partition. But it did give me the option to install the Bootloader (GRUB) to the partition labelled "Windows XP Professional".
I have used this setup before and ran fine, bare in mind that was with 9.10, maybe I should install 9.10 and then use "sudo apt-get install dist-upgrade"?If i cant get this working I will try another distro and see if its Ubuntu or whether its a Windows or disk issue.
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Jun 30, 2011
I use Windows 7: Home Premium and I have three partitions on my hard disk. Lately I installed Ubuntu NOT on C: (win 7) BUT on D: (size 104 GB). Now, I CAN'T find the drive (D:) on Ubuntu. However I can still find it on Win 7.
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Oct 11, 2010
i have a 250gb hdd and a 160 hdd. i installed wind0ws 7 on the 250 and then ubuntu 10.10 on the 160. In the past (8.04-10.04) after install ubuntu on boot grub would give me the option to go into ubuntu or windows, now ti doesnt give me that option and boots directly into ubuntu. I dont even think it has recognized that windows is there.
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Nov 25, 2010
After installation of Ubuntu 10.10, grub loads and has the right menu list. However, Ubuntu doesn't load and I get an error message of :Gave up waiting for root device. (with a list of common problems)There is also:ALERT! /dev/disk/by-uuid/1584598e-b8e5..... does not exist.
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Sep 12, 2010
I resized a partition and now I boot directly into GNU grub rescue
Code:
sh:grub:>
if I type
Code:
sh:grub> linux /boot/vmlinuz-2.6.32-22-generic
sh:grub> initrd /boot/initrd.img-2.6.32-22.generic
sh:grub> boot
I have the following messages :
Code:
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system wait long enough?)
- Check root= (did the system wait for the right device?)
- Missing modules (cat /proc/modules; ls /dev)
ALERT! does not exist. Dropping to a shell!
[code]....
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Oct 5, 2010
Installing 10.10 RC dual boot with Win7. Is there no place in the installer to specify where Grub will be installed? I don't want it installed in the MBR I want it in the partition with / (I usually only create two partitions for Linux / and swap). I prefer to chain load grub from my windows bootloader.
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Dec 28, 2010
I'm trying to re-install Grub2 on a dual boot (Win/XP & Ubuntu 10.10) system which will not boot. I am following the guide here:
Code: [URL] This guide explicitly states that the procedure will re-install GRUB to the Master Boot Record, overwritng whatever is there. However, the final step results in this warning message: "grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea....."
I guess I agree - that's not what I want to do. Where is the defect in the procedure and how do I overcome it? If I try alternative advice, available in the forums, by using the command
Code:
sudo grub-install /dev/sda
then I receive the error message
Code: grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?) Looking at the mount command output, I think the required device is mounted.
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Feb 14, 2011
I used to have Windows 7 dual boot with Ubuntu 10.04 but I decided to replace 7 with XP. I installed XP over 7's partition. I try to boot from a Live CD to fix GRUB2 but I can't see my Ubuntu partition. Here are the results of boot info script in case it helps
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
[code]...
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Jun 26, 2011
I have Fedora 15 installed alongside Windows and Debian. The bootloader found Windows without any trouble, but it did not add an entry for the Debian install. os-prober sees both Windows and Debian as follows:
/dev/sda1:Microsoft Windows XP Professional:Windows:chain/dev/sda5ebian GNU/Linux (6.0.1)ebian:linux
Since I'm new to Fedora and lack experience with Grub2, I'm asking for advice here before I go off and try to repair this in some silly way that will make life even more difficult. So...what's the tried-and-true Fedora approach to this?
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