Ubuntu Installation :: Grub2 / Dual Boot System

Nov 23, 2010

Been using Linux for many many years but Grub2 is annoying the heck out of me at the moment.

My home desktop PC is set up as follows:

/dev/sda � 40GB 10k Raptor with Ubuntu 10.10 installed
/dev/sdb � 500GB HDD formatted to ext4
/dev/sdc � 500GB HDD split up as follows:

/dev/sdc1 � 80gb NTFS partition with Win7 installed
/dev/sdc1 � Remaining drive space NTFS but nothing on it yet

Grub2 refuses to detect that Windows is installed on the 3rd HDD. I've googled and spent hours trying all sorts of things to get it to detect it and add it to my boot menu.

If I disconnect all drives except the Windows drive it boots up straight into Win7, so it's healthy and happy. (as healthy and happy as Windows can be, I need it for work purposes only!)

Does anyone have any tips on what would be the best method to force grub to realise that Windows is sitting there?

As far as I understand, the Win7 partition should be (hd2,1) � does that sound right to you?

I haven't tried booting off an Ubuntu CD and re-installing grub, since I can get into Linux and all the guides seem to be about how to restore grub after a Windows install eats it...

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Ubuntu Installation :: Grub2 - Turning A Dual Boot Into Single Boot?

Feb 10, 2010

I recently got a netbook and setup as dual boot between win7 starter and 9.10 (64bit). Win 7 starter is not impressive so i want to nuke it and give the space all to my /USR partion. I am comfortable working with Gparted and assume that i can launch using my gparted live usb and delete the windows partion and then resize the /usr partion.

what changes do i need to make w/ Grub2? I would prefer not to see the Grub menu at all and have it load right the main kernel if possible. Also, if this is possible is there a way to get to the Grub menu during boot should i need to select a different kernel?

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Ubuntu Installation :: Grub2 - Dual Boot Karmic / Unable To Boot Into Archlinux Partition

Feb 15, 2010

After installing karmic with Grub2 I am unable to boot into Archlinux partition. Grub2 has removed the last line of the Archlinux boot stanza! It used to read:-


Following the Grub2 tutorials I have tried editing /etc/grub.d/40_custom as follows:-


But no luck. Only way into Archlinux is to get into the edit shell and manually add the missing line and remove other stuff not needed. I have spent hours trying to resolve this issue and I am fairly p----d off

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Ubuntu Installation :: Another Dual Boot Grub2 On 10.04?

Jun 8, 2010

I've already had WinXP SP3 installed on one HDD, so i've installed 10.04 on my spare HDD. When I try to boot to Win, I get ntoskrnl.exe missing error. This is my boot info script report:


Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Windows is installed in the MBR of /dev/sda
=> Windows is installed in the MBR of /dev/sdb


I've tried with different boot orders in bios, reinstalling Grub2 (several times ), I've even tried to install lilo through software center but didn't know how to configure it ...

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Ubuntu Installation :: 10.04 / Windows XP Dual Boot (using Grub2)?

May 12, 2010

I recently installed Ubuntu 10.04 on my dual boot system and noticed that my boot options were changed. I typically have Windows XP as the default OS. Here are the steps that worked for me to get Windows XP as the default boot using Grub2.During my initial Window XP install I had partitioned my hard drive into 3 partitions:

Partition 1: NTFS format (Windows XP installation) in Linux it is called /dev/sda1
Partition 2: NTFS format (Data for Windows XP) in Linux is is called /dev/sda5


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Ubuntu Installation :: GRUB2: Setup For Dual-boot With Arch

Nov 26, 2010

I'm thinking of dual-booting Ubuntu 10.10 and Arch Linux. It seems that I'll have to do some editing of the grub.cfg file, but I have seen numerous warnings not to do so. After a bit of poking around, I've heard about a script that does the editing for you built in to Linux (or maybe just Ubuntu).

My questions are:

- If the aforementioned script does exist, how do I use it?

- else if it doesn't exist, how do I not directly edit grub.cfg?

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Ubuntu Installation :: Windows 7 Dual Boot Grub2 Doesn't Install

Apr 26, 2010

I've just installed the 64 bit edition of 9.10 on my workstation. My raid drivers worked without any custom installation, which is very impressive! I am however having a problem installing grub2. I boot to the live CD, run the install process, resize and partition my free space as an ext4 primary partition with mount point /. Everything installs except grub, so I'm always booting in to windows.This seems to be a bit off as I've never had this occur with dual booting before.

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Ubuntu Installation :: GRUB2 Bootloader Crashes With Win7 And 10.04 Dual Boot?

May 7, 2010

I have a Dell Studio 14 laptop with Windows 7 64bit preinstalled. The processor is core i5 and the machine has 4GB RAM. I freed 25GB of memory from my Hard disk and tried to install Ubuntu 10.04 (AMD). Everything went fine. I restarted and Logged into Ubuntu. It worked like a charm. Then I restarted to Windows7. This also worked well as expected.

But, when I rebooted again, I got a black screen saying that �No modules found. Press any key to restart�
When I press a key, it says �No operating system found�, probably after checking through a network (it printed lines starting with PXE).

I tried exactly in the same way with Ubuntu 8.04 in my machine, and this worked without any problem. The Bootloader was not corrupted after restarting from Windows. I noticed the problem with Ubuntu 9.10 and 10.04. I feel like a problem regarding the bootloader version. AFAIK, 9.10 and 10.04 is using GRUB2 when 8.04 use the old version of GRUB. Will I have to switch to the legacy GRUB? (I would love to keep using GRUB2). If yes, I would like to know How.

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Ubuntu Installation :: Grub2 Dual Boot To Win7 - Wrond /DEV/SDAx?

May 11, 2010

I have a Dell ZINO HD and dual booted fine prior to 10.04. Grubs seems to not identify the Win7 OS partition correctly. According to Disk utility DEV/SDA1 is a DELL utility partition, DEV/SDA2 is the RECOVERY partition, DEV/SDA3 is my Win7 OS partition...and DEV/SDA5 is my Linux partition. Ubuntu boots fine... but with GRUB using SDA2 (HD0,2) for win7 I cannot boot to it... is there a fix?

The following is in my GRUB.CFG file
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sda2)" {


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Installation :: Unable To Dual Boot Grub2 Auto Os Prober

Nov 3, 2009

Problems with dual boot, grub2 auto os prober

Drive #1 (sda) Master CS Ubuntu 9.04 grub upgraded to grub2 version 1.96
Drive #2 (sdb) Slave CS Ubuntu 9.10 grub2 version 1.97 /boot is (sdb1) root is (sdb5)

grub2 is installed in /boot (sdb1) and the mbr of (sdb)

I want to be able to boot drive #2 from drive #1 grub menu at boot time. I have run �update-grub and it probes and finds (sdb5) and creates a new grub.cfg called grub.cfg.new in the /boot folder, but the new cfg file does not show (sdb5) or (sdb) it shows all other changes that I made such as splash screens and they are working. How do I get it to recognize drive #2 with Ubuntu 9.10. I can boot each drive independently of one another and I can boot 9.04 with 9.10 if I swap the drives around. And run update-grub The auto probe is working in the Ubuntu 9.10 and may be working partly in the 9.04.

This may or may not be a problem, but is a pain anyway. When I run update-grub in 9.04's grub version 1.96, it does not change anything in the current grub.cfg it does make a new file called grub.cfg.new I have to go into /boot/grub and change grub.cfg to old and change grub.cfg.new to grub.cfg I do not have this problem running the same command in Ubuntu 9.10's grub. It finds changes and os's and automatically updates the current grub.cfg

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Installation :: Configure Grub2 To Load Both OSes In Dual Boot Mode

Oct 1, 2010

I have two hard disks sda and sdb. I have Windows XP installed on sda2 and Ubuntu 10.04 on sdb5. When I installed Windows XP, Ubuntu stopped booting. I tried to repair grub2 from a Live CD unsuccessfully. Now I have completely messed up my MBR of both HDDs. I just want to configure grub2 to load both OSes in dual boot mode.

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Debian Installation :: Get Grub2 To Boot A Live System From Hard Disk

May 8, 2011

I have been frustrated attempting to get Grub2 to boot a Debian Live system from hard disk. Have set aside a 4gb partition /dev/sda1 to contain the Debian Live and some other recovery tools. I actually have them all working from a 4gb USB stick successfully, but getting it to work on my HDD has proved challenging. On USB, I have PartedMagic, Gparted, Grml, and of course my standard 6.01 Squeeze. I have also managed to get the Debian Live booting from that USB stick. Very slick.

However, I can NOT get Debian Live to boot from my HDD; altho all of the others above boot fine. Have tried it two ways - one using an iSO image, which is how it is done on my USB stick. The other attempt is to copy the entire contents of the ISO to a directory.

Here are my directory structures:

debian_live_gnome_squeeze_i386- contains the following: debian-live-6.0.1-i386-gnome-desktop.iso initrd.gz initrd.img vmlinuz which is how it is laid out on my USB stick debian_live - contains the files from the ISO image The error I get is something like "panic unable to find live filesystem" My grub.cfg snippet for the two methods I have tried - the 2nd menuentry is similar to how it works on the USB stick.

menuentry "Debian 6.01 Live (on /dev/sda1)" {
insmod part_msdos
insmod ext2
set root=(hd0,msdos1)


Probly don't really need to get it working since PartedMagic can do almost everything I need for recovery and I can use the USB for reinstall or whatever else.

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Ubuntu Installation :: Can't Boot To XP Of Maverick On Dual-boot System

Nov 10, 2010

When I first installed Ubuntu as a dual-boot (about 18 months ago), I had problems booting to XP, which were eventually solved for me in this thread, which set Windows to boot Ubuntu, rather than the other way round.

I've just had to do a fresh install of Maverick, following a major problem, and I'm back to being unable to boot XP. The error is different from before and I don't want to start guessing at what to do about it and screwing things up still further.

The GRUB menu lists Ubuntu first, then Windows XP. If I choose XP, it takes me to my previous boot menu, with Windows as the first option. However, selecting this gives me

Windows could not start because the following file is missing or corrupt:
<Windows root>system32

Please re-install a copy of the above file. Windows and Ubuntu are on separate hard drives. XP was fine until I re-installed Ubuntu.

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Ubuntu Installation :: Grub2 Can't Load Window 7 After Recovered Grub2 Using Live Cd To Boot Windows 7

Mar 7, 2010

i initilally installed ubuntu 9.10 then installed windows 7 ,then i recovered grub2 using livecd as told in the post [URL] i did "sudo update-grub" and got windows 7 menu entry but when i select that entry windows 7 does not load but the grub2 is reloaded again.
i cant boot to windows 7.

Windows 7 have 100 mb partition "System Reserved" the grub2 points to that partition but still windows 7 not loaded.

sudo fdisk -l
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x3c3a81f5


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Ubuntu Installation :: Grub2 Dosn't Save Windows As Last Selected + Boot Into Cdrom From Grub2?

May 17, 2010

I went through so many post but I haven't found the proper answer yet hope you have an Idea1. Grub2 saves only Linux OS as last selected no Windows OS2.It is possible to boot into a cdrom (drive)?

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Ubuntu Installation :: 11.04 As Dual Boot System?

May 1, 2011

My friend has Windows XP and I wanted to install Ubuntu 11.04 as a dual boot system. I loaded the install disk to boot from the cd drawer and when the install got to the part where the options where to install to showed, there was no option to install 'alongside XP' so I was stuck as I'm not sure where to go now Should I have been given the choice to 'install alongside'?

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Ubuntu Installation :: Stategies For Dual Boot Installation On A Blank System?

May 24, 2010

Every tutorial I've seen on installing a dual boot environment assumes you already have an installed OS (usually Windows). My wife's XP system is pretty hosed, and she's been interested in Ubuntu. Because she's ripe for an XP re-install anyway, I'm planning on backing up her data, completely wiping her hard drive, and installing a dual-boot Windows-XP/Ubuntu environment. Any good step-by-steps for this, with good hints on how to partition, etc.?

If not, my plan B is to reformat and install a basic XP system, and then follow one of the tutorials for going dual-boot over an existing install. Does that make sense? I should mention, I've used Linux for years as a user on my ISP, but have only been using Linux on a home system for a couple months; so I'm fairly new to the install and administer side.

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Ubuntu :: Grub2 Failure After Attempting Dual Boot

May 22, 2011

Today I attempted to install Win 7 on my Ubuntu 11.04 machine so I could dual boot. The Win 7b install went smoothly, but when I tried to fix grub everything went to hell.

I initially tried to reinstall grub using this walk though [URL] However, when I start the computer I get:

"GNU GRUB version 1.99~rc1-13ubuntu3

Minimal BASH-like line editing is supported....

grub> "

I tried to use the technique in [URL] to solve the problems, but when I try to run chroot I get a bin/bash error (I don't have the full error handy, but can rerun the steps if needed). The only potential cause that I can find doesn't apply to me since I am using a 11.04 64 bit live usb on a 11.04 64 bit install.

I've run [URL] and included the results below.


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Ubuntu Installation :: How To Uninstall Win 7 From Dual Boot System

Mar 2, 2010

I have a Toshiba laptop. It has 2 Operating systems. (Windows XP and Windows 7). Now I'm planing to uninstall windows 7 and install ubuntu, (that means Windows xp and Ubuntu) - (dual boot). How can I do that?

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Ubuntu Installation :: Possible To Have A Dual Boot System And Have It In RAID 0 ?

Mar 21, 2010

Is it humanly possible to have a dual boot system and have it in RAID 0

I have three Hard drives.....
The three drives that I have are250GB IDE
1TB Sata
1TB Sata

And I edit . produce a lot of music/videos

What I am looking to do it have my 250Gb IDE drive as my Operating system (partitioned in two or something, one for Windows Another for Ubuntu)

And I would like when I am on either Operating System (ubuntu/windows_7)
its see's ,my computer as having a 2TB HDD (setting the two 1TB HDD's in RAID 0 )

So in Laymans... 250GB for OS's and 2TB (2 x 1TB HDD) as DATA drives

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Ubuntu Installation :: Creating Dual Boot System?

Oct 31, 2010

I am currently running Windows Vista... and I want to install Ubuntu 10.10. Just wondered if anyone can tell me how to install Ubuntu alongside my Windows OS so that I can still play WoW and other windows games.

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Ubuntu Installation :: Replacing OS In A Dual Boot System?

Dec 29, 2010

Right now I dual boot into Kubuntu 10.10 and Vista, and I'm interested in possibly replacing Kubuntu with Mint 10. I do like Kubuntu but I feel like Mint will be a better option for me; I've played with it on a Live CD and in VirtualBox. Can I accomplish this replacement from the Mint Live CD? I want to completely remove Kubuntu, not install over top of it if that is even possible.

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Ubuntu Installation :: How Do I Remove From Dual Boot System

Mar 7, 2011

I had windows 7 starter, then repartitioned the HDD and installed Ubuntu netbook remix the partitions are in this order Ubuntu -> System -> Data partition -> Windows 7.I'm having some nagging problems with remix and want to try something else.Can I just destroy the Ubuntu partition or will it stop windows from booting up? I know Windows was there first, but the computer has been booting from the /boot/grub/grub.cfg menu, so when this is gone will it automatically check the windows partition for a boot.ini or whatever?

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Slackware :: 13.1/ubuntu10.10 Dual-boot Grub2

Feb 17, 2011

I have read that installing ubuntu 10.10 will inevitably install grub2 with it(unless you use flash drive workaround). i am wondering how slackware 13.1 reacts to grub2.

Does it go on like nothings changed (if configured correctly)? Or does it freak out and have a fit? If slackware doesn't play nice with grub2. i don't think i will use ubuntu 10.10.

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Fedora Installation :: Add F10 As Dual Boot To F8 System?

Aug 25, 2009

I have managed to reduce the default LVM F8 install to make room for F10... See Bare metal backup:


And shrink the partition:


I now have about 50G free on a 80G drive. The F8 system has a small /boot and an LVM partition that includes swap. What I want to do is install F10 WITHOUT LVM on the free space. Access to the F8 LVM drive would be a plus but not complete necessary. I just want to keep the F8 system as is until I get set up with everything under f10, which may be a bit. I am not sure what to enter for mount points for the custom drive layout. I need a small swap partition (I don't want to use F8 swap because it will be going away in the future, for example when I install F12 and have dual boot F10/F12 system. What should I have as primary partitions and which as secondary?

How do I set up the boot? Grub?

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Installation :: Having A Dual Boot System But Need To Change The MBR?

Sep 23, 2009

I have been using a dual boot Windows/Ubuntu system since 8.04 and successfully upgraded to 8.10 and 9.04 (Windows is XP sp3).I now need to encrypt my hard drive but only the windows partition. The software I will be using can cope with this as long as I have the original Windows MBR in place and then add an extra option in the windows boot loader to boot to linux.My windows partition is ntfs and I have followed the following instructions given in the encryption software guide.

sudo dd if=/dev/sda3 of=/media/linux.tr0 bs=512 count=1 [Enter]
sudo mkdir /media/disk-c [Enter]
sudo mount -t ntfs /dev/sda2 /media/disk-c [Enter]

I then had to boot into Windows and go to the System Control Panel, click the advance tab and in the Startup and Recovery section, click the Settings button. I then clicked the EDIT button to edit the Boot.ini file. My file had the following

[boot loader]
default=multi(0)disk(0)rdisk(0)partition(2)WINDOW S
[operating systems]


I then rebooted. GRUB still took over as bootloader and I selected Windows As Windows began to boot I got the Windows Boot Manager and there I selected Linux. This took me to GRUB and an error 18 eventually the machine rebooted and I got GRUB as the initial bootloader. I want to be sure that if I now use fixmbr in Windows I will still be able to boot into Linux without getting the Error 18. Should I go ahead and use fixmbr or is there something else I need to do. Once the bootloader is windows then I can use the encryption software and encrypt the windows partition only.

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Ubuntu Installation :: Installing To A Dual-boot Windows System?

Feb 16, 2010

I'm currently dual-booting Vista and Win 7. Do I have to install Grub or can I continue to use the Windows boot loader?

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Ubuntu Installation :: Remove Windows From Dual-boot System?

May 12, 2010

The thing is, i'm getting thin on hd space so i have to remove it. I have read that i could just format linux partition and than boot with windows cd and fix motherboard, but i do not have windows cd on me. Can i use another tool, that would allow me to fix the "damage" grub did? Acronis or something like that?

To avoid to complicated answers, just give me a solution that works without criptic linux commands, i get lost in that.

Also, i am actually a supporter of open source and free software, but i also think that linux is nowhere near being easy to use for the general population, no matter the microsofts conditioning. So i guess ill give it a go at 11.00 again to see whats going on

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Ubuntu Installation :: Partition Sizes For Dual Boot System

May 29, 2010

I plan on installing Ubuntu 10.04 and it will be my first Ubuntu install. I plan on dual booting with windows 7 and I would like advice on partition sizes. I have a 250 GiB drive and my planned partitions are as follows.

Sda1 (PQSERVICE) 12GiB This was pre-installed should I delete it
Sda 2 (System Reserved) 100MiB This was also pre-installed should I delete it
I know one of the above is the windows recovery partition but I don't know which one
Sda 3 (Gateway) 25 GiB This will contain windows will 25 GiB be enough
Extended partition
Logical 1 10 GiB / the main Ubuntu partition 10 GiB should be enough
Logical 2 1 GiB /home this will just hold settings so 1 GiB will be enough right?
Both above partitions are ext3
Logical 3 3 GiB swap partition I have 1 gig ram upgradeable to two
Logical 4 180 Gib shared NTFS partition

I am new to Ubuntu and would like to know if you think this is proper. I have already defragmented the hard drive and will make the partitions in Gparted on Ubuntu live test from usb drive.

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Ubuntu Installation :: Share /home On Dual Boot System?

Nov 5, 2010

I'm getting ready to install Ubuntu Studio along side my regular Ubuntu on some extra space on my hard drive and it seems to make sense to share /home with both Ubuntu systems. All ext4. /home is on it's own partition so all I should have to do is point the installer at it and don't format.

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