General :: Win7 And Ubuntu 10.1 Installed - Grub Rescue
Dec 13, 2010
I had Windows 7 and Ubuntu 10.1 installed in my intel i3 4gig DDR Sony Vaio E-series laptop. Both operating system were working fine. Only problem that I used to have was the sound didn't use to play when I boot through Ubuntu. Due to that, I formatted the corresponding drive from Windows in which there was Ubuntu installed. I used "diskmgmt.msc" to delete the partition and then format it. The format was successful and when I restarted my computer, this error was displayed:-
error: unknown filesystem
grub rescue >
Windows didn't load at all. I used to have multiple boot grub menu previously before formatting the partition but that didn't show up after formatting.I am unable to use any of the Operating System.
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Sep 24, 2010
A few days ago I decided to try a linux OS for the first time. Following a how-to advice, I created a ~80gb partition (on a 320 gb sata disk) for Win7 and installed it. Then I installed Ubuntu 10.04, chose to make partitions manually, created a primary ext4-partition (right after the one with Win7) for / and a 1024mb swap partition. So now the disk is parted this way: 512 booter - Win7 system, ~ 80gb ntfs - Ubuntu /, 8 gb ext4 - Ubuntu 1 gb swap - file storage, ntfs ~240 gb (created using Win7 bootable disk, but the issue from below started before this).
After the installation the boot loader failed to load any system, giving the error from the topic title. I tried several ways to reinstall/repair/reconfigure grub in the live-CD mode. Some of them didn't change anything, others were not completed because of an update-grub error ("cannot find a device for / (is /dev mounted?)"). Grub version is 1.98b. The disk with Win7 and Ubuntu is treated as hd0 in grub and sdd in Ubuntu
ote: even though the thread is marked as SOLVED, the issue is actually not. I have managed to dual-boot Win7 and Ubuntu, but with partition configuration changes
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Dec 31, 2010
Just installed Ubuntu 10.10 onto my new netbook from a USB stick. The laptop came with Win7 Starter, which I kept on a small partition. Installation was apparently successful, but when I start up the computer, it will go straight to Win7 and GRUB doesn't appear.
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Oct 16, 2010
I have a major problem with Windows 7's MBR. I deleted Ubuntu's partition last night, and when I restarted, I saw:
Code:
error: no such partition
grub rescue>
I looked it up, put some code into a LiveCD terminal, and I thought it worked. But now, I says that I definitely need to put in a Windows 7 CD and do that MBR fix method. I did not own a Windows 7 CD; my laptop came with it pre-installed, and I have no recovery partition anymore.
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Jun 21, 2010
I want to know about grub. Let start with the explanation of grub. I am using Ubuntu 10.04. Yesterday when I installed widows7, I lost my grub. Every time I tried to install windows running on Ubuntu machine, the grub is lost. Why is it so? How can I restore it (for Ubuntu 10.04)? Can any advance setup be made while installing windows, so that the grub is not lost?
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Aug 14, 2010
Last night, I formatted my laptop(Asus w5f). And I installed win7 Home Premium. Then I installed Ubuntu 10.04. After installation, I restarted the computer. When I choose win7 at grub, comp. restarted itself. But When I choose Ubuntu, started properly. Now, grub is not starting win7. At ubuntu, I can see windows disk and files. But win7 doesn't start.
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Oct 11, 2010
Installed Ubuntu 10.04 a week ago or so (using wubi.)Tried to upgrade to 10.10 from within Ubuntu using the update manager.Now the PC will only boot to grub rescue.When booting, this is what i get:error: no such device: cd200414-0606-4d7d-8c08-004e9b5dc92d.grub rescue>Three commands work: ls, set and insmod.The ls command only yields: (hd0)(no partitions like (hd0,1), (hd0,5), etc.)
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Mar 4, 2010
I'm a F11 user and I wanted to see the new Windows 7 and right now, the computer doesn't boot via grub.
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May 13, 2011
Short story: upgraded to Natty, slowed graphics, re-installed Lucid, got Error: file not found and grub rescue prompt
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
[code]....
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Dec 2, 2010
I'm a complete newbie, trying to get away from Windows Vista! I had some issues installing Ubuntu, but finally got it sorted - so I thought. I wanted to view a dnl file, so tried to boot into Windows, and I got a white screen with big red letters saying "ERROR". So I held down the off button for 5 seconds, and then tried to reboot. But now all I get is the words:
error: no such partition
grub rescue>
Before I go further, I'll summarise the problem with my install. Basically it would only get partway through, if at all, and then all the options would freeze...I could move the mouse, but that was it. Similarly with running Ubuntu on the LiveCD. After a lot of hassle, and some helpful members of the community, it turned out that all I needed to do was use the option "nomodest" when installing, and it all went fine. Well actually I had to retry it again in recovery mode because I think maybe a driver wasn't loaded (?), but after that everything seemed alright. So as mentioned before, I've come to my present issue. Typing "Is" gives "Unknown command" (or maybe "invalid"...I can't remember). And if I type "set" I get something like "prefix=..." and something else...sorry I can't remember and I don't want to turn off the computer now just in case things don't work again.
Anyway I managed to boot and run Ubuntu using the LiveCD, and started looking for solutions. Note that I used the "nomodest" option again to boot. Anyway all the solutions involve first using "fdisk -l" to find the partitions. Here is the output:
[Code]....
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Apr 23, 2011
i installed ubuntu after windows 7 but now i cant boot windows 7 i tried the start up repair and I've read through some questions answered on here and int figure out the problem i don't want to uninstall ubuntu unless it's my only option
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Sep 1, 2011
i have ubuntu 10 and win 7 dual booting on one hdd, all of a sudden grub says error no such partition when i select windows at the boot menu. and i cant get to the win7 partition from ubuntu (to play music and stuff, this used to work, places, mount filesystem, 250 gigs whatever). i've tried the stuff in these links and nothing has worked so farpartition info
sudo fdisk -l /dev/sda
Device Boot Start End Blocks Id System
/dev/sda1 1 29094 233697523+ 7 HPFS/NTFS
/dev/sda2 * 29095 30401 10498477+ 83 Linux
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Mar 18, 2011
i have used ubuntu 10.10 for some time i deleted the partition thats with linux in it when i restarted the system "grub rescue >"is the only one i was stopped at i cant enter my windows os
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May 11, 2010
i am using ubuntu 10.04 lts and my computer crashed,when the computer boots all i get is:
code: grub rescue>
what commands am i supposed to use?
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Feb 7, 2011
I have installed debian on my windows 7 with vmware player. I would like to access it with SSH from Windows 7. What should I do?
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Jul 28, 2011
I have a PC, with 1 HD of 500GB and the following partitions:
Windows XP - NTFS 50 GB
Windows 7 - NTFS 350 GB
Linux Ubuntu - 98 GB
Linux swap - 2GB
The last OS that I have installed was Windows 7, and each time, when I started up my PC, I saw GRUB first, and after choosing the option to load windows, the Windows loader giving me 2 options, one for Windows 7 and one for Windows XP. I didn't like to see first GRUB and after that the windows loader, it was redundant, but everything was working well. One day, I decided to mix the windows 7 and the windows XP partitions (deleting the windows XP and resizing windows 7). I tried to do that with the Windows 7 utility included in the control panel but I couldn't. It said that I couldn't delete the active partition or something like that. It was not possible to delete the partition in which WinXP was stored.
Then, I decided to boot with Ubuntu and use the partitioning tool that comes with it to delete the WinXP partition. It was possible to delete the partition, and I also putted the option "bootable" on the 350GB Windows 7 partition. After that, I rebooted and it was not possible to load windows. Then I tried changing in GRUB the entry for Windows, because I thought if I could put the correct partition to load from, it wouldn't be more problems. I tried several times but I couldn't load windows, so I putted the Windows 7 DVD and I started the installation process, waiting to see an option saying that there was already a system in the partition of 350GB, and allowing me to fix the mbr in that partition.
My surprise was when I choose the partition of 350GB and the installation process began. I was afraid of to lose my data then I decided to reset the computer! And now, all my 350GB disk is gone! I can't see the partition when I enter with Ubuntu. I'm really worried about this, because the computer detects the 350GB partition as empty, and I don't know what to do! I turned off the computer and now I am using another to write this. I have all my files and important information in that partition! and It seems it's lost. I hope it's still possible to restore the partition. Actually I don't care if I have to install again my operating systems but I need my information!
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Feb 23, 2011
I got my wife to try Linux, so we set her machine up to dual boot with Windows. After a few weeks, she decided not to use Linux, so we deleted the Linux partitions using Gparted on a USB drive and resized the NTFS partition, under the apparently mistaken impression that Grub would detect that there was now no other operating system. When we rebooted, we got error: no such partition, followed by a grub rescue prompt. I've never worked with Grub directly before, so I have no idea what to do at this point.
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Feb 13, 2011
I installed ubuntu 10.04 into an external hardrive connected to my windows 7 pc as i wanted a dual boot. The installation went find and ubuntu installed into some free space on the drive. When it rebooted i got the grub rescue screen. I booted into the live CD and ran the boot script
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
partition #5 for /boot/grub.
[Code].....
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Dec 1, 2010
My laptop was running Vista just fine. I had and wanted to install Linux and chose Ubuntu. I installed it to a USB and booted using this USB. It installed just fine and ran fine one time as well!When rebooting and wanting to run Windows, I got the diskcheck screen and let it run. Windows booted fine afterwards.On my next reboot all I got and still only get is the following
Code:
error: unkown filesystem.
grub rescue>
[code]....
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Sep 27, 2010
I have both windows7 and Linux 10.04 installed in my system. The problem occurred on a forced shut down.The message which is appearing on the screen isgrub rescueNo such partitionNo command other than ls and set are working. Set shows root to be in (hd0,6). ls is not listing (hd0,6)The ls is not able to read any of the partition it lists and shows error:unknown file system.
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Jan 9, 2010
I have dual boot with Ubuntu 9.10 and Windows 7. Today, after using Partition Wizard on Windows to resize its partition, I got the following message when reboot:
Code:
I dont actually know what to do, I've been reading some threads on the internet but nothing equal to my case, only people who installed Windows after Linux and lost GRUB. Do I just need a live CD to reinstall GRUB? Can somebody tell what to do?
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Sep 25, 2010
I was trying to install Fedora to dual boot with Vista in the middle it said that the installation failed and now it will not run grub to let me choose between Windows and Mint which I had installed. All that happens is it shows a command line and says "grub rescue>"
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Aug 13, 2011
I am to reinstall the notebook of my father, that had Windows XP and Ubuntu on it. And I dont know anything on Ubuntu. My objective was to make a fresh install with XP only.So I was checking the partitions within Windows and found 7 or 8 of them which I could not understand: I asked to remove them, one by one, and got some error mesage on Windows. Now I understand these were probably used by Ubuntu.Now, when I restarted the PC,n I got:"error no such partition grub rescue"..I tried to boot from the CD - a windows XP setup CD, but I get blocked as well, because when I try formatting the drive during the installation CD it makes an error, or otherwise without formatting I also get an error.I guess the partitionning information of the hard drive is inconsistent, making everything fail.I dont know what to do.I am thinking to use a USB disk to reformat the HD, but I am not sure it will help.
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Jul 18, 2011
I have a pc that was running with the latest version of ubuntu and i wanted to install just vista for somereasons.
And what i did is to format the main driver and try to boot it from vista CD and as you may guess i have an error that says: unknown file system grub rescue
Each time i start the pc. I have an ubuntu live cd and also the vista cd, so what should i do now? the vista cd dosnt boot and the same screen appears all the time.
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Mar 6, 2011
I just installed ubuntu on my computer that already had windows 7 on it so I could dual boot them. After installing ubuntu and playing around on it a little I went back onto windows. I then restarted my computer and now it won't startup. I get an error that says unknown filetype grub rescue<. I don't know what to do to get back into windows or ubuntu.
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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 11, 2010
First the hard data:
Upgraded from Ubuntu 9.04 to 9.10 via upgrade manager
System is AMD 64
Have dual boot with XP on seperate hard drive
[code]....
Then the wheelspin:
Seem to have knocked out GRUB as normal loading screen does not appear anymore.
Worse, I think I accidently installed grub to something labelled SDC5.
Cannot get anything except the "grub rescue" prompt. I'm not sure if using the LiveCD (9.10) can help. Have tried a few prompts from other threads but just ended up with mud splattered all over the place. I'm gathering I need to load grub, but can I do it using any grub rescue commands?
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Jan 31, 2010
Yesterday I partitioned my hard drive with kubuntu netbook remix and windows 7. after a few hours and reboots i turned on my computer and it said Grub loading. unknown filesystem rescue grub> It looks like allot of people have been having similar errors recently with windows 7.
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Sep 5, 2011
When i boot my PC, i get this in my Fedora 16 distro. I have tried as following but none allowing me to boot anymore.
Grub loading.Welcome to GRUB!
error: file not found. Entering rescue mode...
grub rescue>
grub rescue> ls
(hd0) (hd0,gpt3) (hd0,gpt2) (hd0,gpt1)
grub rescue> ls (hd0,gpt2)/
./ ../ lost+found/ memtest86+-4.20 grub2/ System.map-3.1.0-0.rc3.git0.0.fc16.i686 config 3.1.0.0.rc3.git0.0.fc16.i686 grub/ vmlinuz-3.1.0.0.rc3.git0.0.fc16.i686 elf-memtest86+-4.20 initramfs-3.1.0.0.rc3.git0.0.fc16.i686.img initramfs-3.1.0.0.rc4.git0.0.fc16.i686.img System.mpa-3.1.0.0.rc3.git0.0.fc16.i686 config-3.1.0.0.rc3.git0.0.fc16.i686 vmlinuz-3.1.0.0.rc3.git0.0.fc16.i686
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Mar 7, 2011
Yesterday I installed the latest version of ubuntu to my computer that was already running windows 7. I had everything working fine until in windows I deleted a partition that had nothing in it.
After this I restarted but I can't get into either OS. I get an error that says Error: unknown filesystem grub rescue>
I think I need to fix something in grub. I have been booting off of a usb stick with linux on it in the mean time.
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