Ubuntu Installation :: Remove GRUB, Restore Windows Bootloader?
Jan 15, 2010
Basically, I used a USB stick to run ubuntu 9.10 live, then tried to install to an external 500gb HDD connected with a Sharkoon Drivelink USB adaptor. The installation went fine, but I get a GRUB error 21 when booting a lot of the time. I figure this is due to the way in which the drive is connected. I am a complete noob, and I want to just ove GRUB completely and restore my Vista bootloader. Unfortunately, I do not have an installation disk as my laptop didn't come with one, and none of the others I have other PC's are the same version (home premium 32-bit).If you know of a way to fix the GRUB issue/sso I can use the external drive I would love to hear them too, but the main aim of this thread is to help me remove GRUB and restore the windows bootloader. If any more information is needed, just ask and I will provide it.HP Touchsmart TX2-1010Windows Vista Home Premium 32-bitExternal HDD:Seagate Barracuda 7200.11 SATAII (with jumper set for 150mbps)
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Oct 31, 2010
Is there any way to simply remove grub? Does GRUB reside in a specific partition? Do I have to just delete the partition that has GRUB on it?The way my bootable partitions work is something like this.
1)Installed Vista
2)Installed Ubuntu
3)Thought I removed GRUB
4)Put in new HDD(1) and installed Win7 onto it
5)Put in another new HDD(2) and put another Win7 onto that (but I disconnected every other HDD so that the bootloader would be written onto the new HDD(2). When I have all my HDD's plugged in now, I get a GRUB load error (I think it's 21).
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Sep 20, 2010
I installed ubuntu on my lappy but due to battery life reasons and driver issues I cannot use it; must return to windows . I do not want GRUB on it but I'm stuck with it now. how do I wind the clock back?
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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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Jan 19, 2010
I have installed Kubuntu on a usb stick. I installed version 9.04 from a disk that came with linux magazine. After installation I can only boot pc if the usb stick is plugged into pc before I turn it on. I then gat a menu with 5 options. The first is Kubuntu and the last is Windows XP. If I try to boot my pc without the usb stick plugged in I get a GRUB error message.
I think this is the GRUB menu which means that it must have amended the Master Boot Record. If I try to boot my pc without the usb stick plugged in I get a GRUB error message. This is generally a minor inconvenience and a great security measure. My worry is that I am notorious for losing usb sticks. If I lose this one I wont be able to boot pc. Is there a way to remove GRUB and restore the MBR?
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Sep 4, 2010
i had a dual boot xp/ubuntu first. later i had to format and reinstall xp. this deleted the grub bootloaderplease let me know, how to fix this! please make it simple . i have the live cd, but i don't have internet connectivity in ubuntu.
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Sep 1, 2011
I installed Ubuntu and Windows 7 on my computer. I first get the Windows bootloader telling me choose between Windows or Ubuntu. If I pick Ubuntu, I then get a GRUB loader telling me to choose between different versions of Ubuntu and Windows 7. How do I remove GRUB and just use Windows bootloader?
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Jun 7, 2010
When I try to boot into windows through grub it just returns to the grub menu.also system recovery options from bios just end up in grub screen too.here is boot script.From reading forums I think I need to get grub out of windows partition but I don't know how
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Oct 30, 2010
Anyhow, I'm a n00b to the Linux world, so I installed it on my Windows 7 desktop to dual boot. Current configuration is as such:160GB HDD with 3 partitions: Ubuntu Studio 10.10 on one, Win 7 on another, and the third is for storage.1TB HDD for extra storage.So far, all is well, but I'm not pleased with the default GRUB options and layout. It gives me 4 options to choose:
-Ubuntu Studio
-Memtest
-Memtest Debug Mode (or something to that effect)
[code]....
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Apr 13, 2011
I installed Gnome 3 on a free partition of my netbook but I lost the boot to my suse kde...(MBR). I launched a live CD on USB but cannot restore Grub; the only way is to reinstall the KDE. Then it boots but does not show Gnome 3. Why the installer does not take into account both OS?
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Jul 1, 2010
I have been dealing with this all day! I cannot remove Ubuntu and recover the free space for Windows. When I remove Ubuntu, I can't access Windows.
I have three partitions, one being the main Windows partition and two with no names being the ubuntu partitions.
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Jul 4, 2011
My setup is like this:
* Installed Windows 7 on primary (SATA) hard drive
* Installed Ubuntu 11.04 on secondary (IDE) hard drive
I've worked with Wubi before, and I liked it so much, I decided to go full scale with Ubuntu. However, I think I've missed an option in the setup, because Grub has now taken over my bootloader. I tried reverting to the Windows loader with EasyBCD, but booting Ubuntu from there is impossible, since it doesn't show itself. By the way, I don't really understand EasyBCD, so that makes it even harder. Anyway, what I'm trying to accomplish here, is to get a bootloader which uses Windows as default and Ubuntu as secondary OS. How do I do this?
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Jan 26, 2010
I currently dual boot and wish to know how to remove the Windows partition/drive while still allowing Ubuntu 9.04 to load safely as my main OS. I know how to restore windows partition by;
If MBR gets damaged boot from MS Windows Xp disc, Select "R" for "recovery console", select main windows installation drive (admin password usually nothing, just press enter) and type "FIXMBR" this will allow you to boot windows again, but Ubuntu partition will be unbootable and require installing ubuntu again to dual boot.
But this leaves Ubuntu partition Un-bootable as it removes the grub menu, how would I do the same for Ubuntu and make window partition un-bootable so I can remove it?
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Feb 22, 2010
i've been using ubuntu with wubi, and I'd like to install it on my new hard drive (so windows is on one hdd and ubuntu is on another). afaik, grub will be installed on the hdd w/ ubuntu, and i have to set it to recognize the other (windows) hdd. assuming that i want to get rid of ubuntu and just use windows, what steps do I have to take to do so? (if grub is only on the ubuntu hdd, then would I just have to format it?)
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Jul 11, 2011
I got a system crippling virus on my windows installation. My recovery disks gave me the same problem. So I installed Win 7 enterprise using a disk my dad got from his work. The installation went smoothly. When I started my computer after it went straight to Win 7 without the GRUB bootloader (not the case with restore disks). Could somebody please help me with this issue because I cant stand using Windows for anything other than games much longer.
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Feb 4, 2009
I thought it would be cool and easy to install Windows 7, ended up being a headache and worthless so far. Now I only have the windows bootloader with vista and windows 7 as options. How can I get grub going again? I have all 6 fedore core 10 cds and a live cd in case those will help, I am using the live cd to play in fedora right now, but I am not sure how to get access to grub.conf and what to change in it, because I am pretty sure I have to add Windows 7 to it.
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Jun 3, 2010
Im finally deleting vista from my disk, but as I am game addict I will re-install it afterwards just for games. Now I assume that will overwrite GRUB, so how do I restore boot record and at same time keep my grub config?
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Jul 27, 2010
Whenever I load Ubuntu on a machine with other OS(s) loaded it always recognizes and adds an entry in the bootloader menu. Not this time. Well kind of. After the install my windows boot option was in the menu, but after an update it is no more. I see the different Linux images... but no Windows boot option. Can someone tell me how to add my windows XP boot option back to the bootloader? I have XP on the the on the 5th partition and Ubuntu on the 6th...
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Jul 21, 2011
I've restored NTFS containing Windows Vista. But the bootloader or bootsector got corrupted.
How can i detect what of them got corrupted?
How can i restore bootloader if it's corrupted?
How can i repair bootsector if it's corrupted?
All of these things should be done from linux or from bootable CD.
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Sep 1, 2010
I need to use the fixmbr command to fix my windows installation. I'd like to restore grub to its former state after doing so. I have searched how to do this and since my configuration differs slightly, I'd rather get more specific instructions. Right now this is what menu.lst looks like:
Code:
titleUbuntu 8.04.1, kernel 2.6.24-21-generic
root(hd0,2)
kernel/boot/vmlinuz-2.6.24-21-generic root=UUID=0c5d1c9c-70bb-4f61-a0ad-7dc5e59d9713 ro quiet splash
[Code]....
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Jun 22, 2010
I had i a dual boot win. 7 and ubuntu 9.10,recently i had some problem in my windows os so i restored the c drive to factory settings since both operating systems where in c drive so when i tried to boot grub was showing problem.the information displayed was loading grub, the file does not exist rescue grub> so what should i do to restore grub so that i can boot again into windows 7 and ubuntu without loosing my data.
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Apr 20, 2010
I'm having some trouble removing unr from my asus eee pc 1005peb, I installed it about a month ago and sadly to say I need cash so I will be selling the eee pc. I want to restore it to factory settings. I already tried uninstalling unr, by deleting the partition it was on, that didn't work. Once I booted up again it gave me a grub error. So I reinstalled unr and now have a left over swap partition from the original install. I want the system to boot up as it did before the installation of unr. How would I go about doing this?
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Sep 11, 2010
Is it possible to have the Windows bootloader point to Windows 7 and a Linux partition instead of using GRUB to point to Windows 7 and Linux?
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Sep 30, 2010
I have windows Vista and Ubuntu 9.04 on my asus laptop and use grub as boot manager. I tried to reinstall windows vista with the recovery CD delivered with my laptop in order to just get rid of the old installations. The Installation was OK, however when rebooting windows doesn't come up printing the error could not load GRUB Error 22.
Now I think I should remove grub from teh master boot record, and the system will supposedly work.My question is is this a solution and how do I reformat the master boot record? Can I do it with the Ubuntu instalation CD?
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May 28, 2010
I have two listing of windows 7 listed in Grub (I'm not sure why.) and I would like to know how to remove one if I can.
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Feb 14, 2011
with reference to my this thread: [URL]
After installing Windows 7, the GRUB got re-written by the windows bootloader. Now after booting into the live cd and mounting /boot partition (sda2), I tried to reinstall the GRUB with this command grub-install --root-directory=/mnt /dev/sda as told by this [URL]
But I got the an error which says, Are you sure /dev is mounted? then i tried the same command on the / partition (sda5) which said, cannot find boot directory, Are you sure /dev is mounted?
And installation failed, now after restarting its just a black screen with grub> prompt.
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Sep 13, 2010
I have windows 7 home premium currently installed and I have just recently installed Linux Mint and it has replaced my MBR with GRUB. Is there any way I can restore the normal Windows 7 Boot Loader and have the secondary option to boot my Linux Mint?
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Aug 31, 2010
I have Windows 7 and Ubuntu 10.04 dual-booted on my machine. grub was aautomaticlu installed as the primary loader. Soon i want to nuke my ubuntu partition but i know that will delete grub. Can i remove grub or at least make Windows boot loader default.
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Sep 2, 2010
I have recently purchased a new laptop, which came with Windows 7 pre-installed. I immediately installed Ubuntu alongside it with a dual boot. At first it worked fine, but when I restarted after the first time I used Windows, I ended up with an 'Operating system not found' error. I was able to reinstall the Grub bootloader using an Ubuntu Live CD, which appeared to fix the problem, but the next time I loaded Windows 7 and rebooted, the problem reappeared I think the problem is that Windows 7, for whatever reason, is somehow removing or disabling Grub.
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Jun 18, 2011
Iv looked around for the tutorials but none of them worked i keep getting errors.
Can someone just guide me from the top?c
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