Installation :: Dual CentOS - Windows 7 Boot - Had To Delete CentOS Partition And No Grub Menu

Sep 19, 2010

3 partitions (in order): Windows 7, CentOS and shared data partition.

I need to increase the size of the Windows 7 partition (c:windowswinsxs seems to be something not easily remedied).

GParted didn't work in moving things around (bad sector) so I wiped out its partition (# 2 out of 3) and I was able to increase the size of the Windows 7 partition (I can reinstall CentOS easily and not much work lost).

Except ... no more grub menu (unsurprising). This incantation does allow me to boot into Windows 7.

Is there any way of rebuilding the grub menu short of reinstalling CentOS (5.5)?

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CentOS 5 :: Dual Boot With Windows Xp On The Ntfs Partition?

Aug 26, 2009

i have windows xp with ntfs partitions on my laptop i want to install centos on it will i be able to dual boot centos with windows xp on the ntfs partition

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CentOS 5 :: Resizing CentOS Boot Partition, Dual-booting?

Jun 9, 2009

I have a laptop that came with Windows Vista (64-bit) installed. I created a new partition and installed XP (also 64-bit) alongside it.Last night I shrunk my XP partition and created another new partition and installed Linux (CentOS 64-bit) on it. I made an error in judgment and didn't allocate enough space, so I need about 10 more gigs for the Linux partition. It boots up and runs, but I need about 10 more gigs of storage for the files I want to keep on the partition (and yes, they have to be on the partition, I definitely need to know how to do this, not a workaround)I went into Vista and shrunk the XP partition by 10 gigs, so now I have 10 gigs of free, non-partitioned space.

As it stands, when I start up the computer I get the GRUB boot loader. I can boot my Linux install or choose "Other" and be taken to the Vista boot loader. From there I can choose XP or Vista to boot.So, my question is... what is the best way to append the 10 gigs of free space to the Linux partition? Is this something I should do inside of Linux? I have the option to do it in Vista, but the partition shows up as "healthy" but without a file system type.I just don't want to screw up the boot loader, partitions or anything else.This isn't my area of expertise, so if anyone could give me a good suggestion or solid answer

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Ubuntu :: Grub - Lost My Windows Partition - Can't Find Menu.lst In /boot/grub

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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Ubuntu :: Missing Grub And Dual Boot Menu - Windows Won't Boot

Jul 3, 2011

i am having a problem with my dual boot setup. I originally installed windows XP on a 100gb hard drive, from there i downloaded and burnt ubuntu off so i could install it on my 200gb hard drive. For a little bit i struggled to even get it to install because it wouldn't recognize my onboard nvidia graphics, i ended up having to get an alt boot disk and fix it with technique in this link:

[URL]

Now after the bios boot, my screen shuts off for awhile and takes me directly to the login screen for ubuntu. No Grub, no windows boot options, nothing. I tried booting windows by choosing it from the bios boot menu but all it does is hang at prompt and doesn't boot at all. I tried the live cd fix and reinstalled grub but nothing changed. What i think is happening is that it boots the Grub menu but it doesn't display it because of graphical confrontations. It hangs for about 10 seconds, the grub default time, and then turns my monitor back on to display the Ubuntu login screen.

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Ubuntu :: Use A Windows-based Recovery Partition On A Dual-boot Computer To Overwrite Partition And Remove GRUB Loader?

Mar 9, 2010

is it possible to use a Windows-based recovery partition on a dual-boot computer to overwrite the Ubuntu partition and remove the GRUB loader? For instance, if you booted up your computer, accessed the hidden recovery partition and used it to reset the computer to it's factory default settings, would that effectively remove the Ubuntu partition and the GRUB loader? Would a completely new installation of Windows overwrite/uninstall Ubuntu and GRUB automatically?

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General :: Boot - Updated, Grub Menu Not Booting To Windows Partition?

May 24, 2010

I have just updated my Ubuntu linux to Ubuntu 10.4, not my grub menu isnt letting me boot to Windows Partition.The problem seems to be with grubs new update from using an editable menu.lst file to using a non editable grub.cfg file. Everywhere I look it states "DO NOT EDIT THE GRUB.CGF FILE". I am at a loss as what to do. I figured that the new configuration has screwed up the Windows Boot File. Anyone have any suggestions on how to fix this. I am not sure if it is a windows issue or an issue with the Grub boot menu.

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Ubuntu Installation :: Dual Boot With XP From The GRUB Menu?

Feb 23, 2011

I have Windows XP SP3 running on my Desktop PC and wish to dual boot it with Ubuntu 10.10. This isn't the issue as I can do this and it gives me the GRUB menu but selecting Windows XP won't do anything - or so it seems How long should it take to boot into Windows from the GRUB menu?

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Slackware :: Dual Boot Slackware With CentOS Using CentOS GRUB

Apr 11, 2011

For various reasons, I have to learn my way around CentOS. I have an old computer (P3) with Slackware on it. I threw in a second HDD that I had lying around and installed CentOS to it. I was figuring that I'd just decline installing GRUB or point GRUB to Slackware as the second OS and end up with dual boot.

The CentOS install, though, blew right past that part with offering me any options. It put a small boot partition on the CentOS drive and now the box boots straight into CentOS.

I've spent the better part of the day trying to get GRUB to boot the Slackware drive and had no luck, though I've learned a lot about GRUB error messages.

By the way, CentOS uses GRUB v 0.97.

Question: someone could point me to a reference.

Here's the output of fdisk -l on that computer (/dev/sda is a 4GB SCSI disk that was originally the boot disk for Windows 2000 server on that computer):

Code:

Here's the currentGRUB file. I added the section about Slackware. I've also tried pointing it at:

Code:

I've also tried:

Code:

Code:

Slackware's LILO:

It's been six months or more since I used this computer. It's my experiment-er "play" computer and I had taken the HDD out to test a computer for one of the members of my LUG, so I can't remember exactly how I configured the LILO install, but, if I did what I usually do, I installed it to the MBR of /dev/hda. I have considered just blowing away LILO, but I'd be happier if I could just use GRUB to call LILO.

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CentOS 5 :: Grub And Dual Boot - Reconnected HDD1 But XP Is Disappeared

Aug 5, 2010

1 I have XP installed on HDD1 (SATA 200 Gb master). Now I installed Cetos 5.5 (use 4.1 Gb DVD1) on the second drive, HDD2 (Seagate STA 40 Gb slave.) I didnt fund the option for selecting boot location during installation, just selected second drive. I think this is my first mistaking. The Centos can�t boot up after initial installation. I disconnected the HDD1 (XP drive.) Then finished Centos install. � Second mistaking.

2 After that Sentos installed, I reconnected HDD1 but XP is disappeared. The grub.cfg shows about XP as:
Title other
Rootnoverity (hd1,0)
Chainloader +1

3 For finding XP I disconnected HDD2 (Sentos), but XP can�t be started. This message is shown up:

Just wait 5 seconds for normal startup! Boot: could not find kernel image:vmlinuz

4 I think that stuff was written by grub. I decided to get rid of them then reinstall all. I tried to deleted and create new partition, format c:, fixmbr, and fixboot, then install XP on c:. But above message still shows up when boot machine. I have to use XP install cd to start Windows XP.

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CentOS 5 :: Access NTFS Partition In Dual Boot System?

Jul 19, 2009

I have a dual boot system with XP and CentOS 5.3, I want to access the NTFS partitions of XP from CentOS but how?

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Fedora Installation :: Dual Booting Debian-12 / Edit /boot/grub/menu

Feb 18, 2010

Debian if my first OS and i want to dual boot Fedora12.Ok i installed Fedora12 and choose not to install the bootloader(gonna use the one Debian installed)What i'm tring to do in Debain is edit my /boot/grub/menu.lst
Here is what i have

Code:
title Debian GNU/Linux, kernel 2.6.26-1-686
root (hd0,0)
kernel /boot/vmlinuz-2.6.26-1-686 root=/dev/hda1 ro quiet
initrd /boot/initrd.img-2.6.26-1-686
code....

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CentOS 5 :: Dual Boot 5.4 And Windows XP From Different Drives

Mar 18, 2010

I have Windows XP installed. And I also plan to install CentOS 5.4.I have two hard drives. Hitachi 500 GB and WD 500 GB.Windows XP is intalled on first drive And I plan to install Linux on Second drive. And since i find some contradicting and not understood by me posts. I have to be sure what to do. I can install Linux, then i can edit grub. and add there something like:

title Windows
map (hd0) (hd1)
map (hd1) (hd0)
root (hd1,0)
chainloader +1

When its on one drive as I understand it will definately work. But if its on 2 different drives. There is a problem that windows doesn't boot from secondary drive. So I find this article witch i cannot understand. Do i have to understand it? Or its wrong and bad decision.

[URL]

I have no RAID.After all what is step by step process of creating bootable CentOS and Windows situated on different hard drives drives?

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Ubuntu Installation :: When The GRUB Boot Menu Starts Up There Is An Option For Win 7 Boot But It Will Not Boot Windows?

May 2, 2011

I installed 11.04 after Windows 7. when the GRUB boot menu starts up there is an option for Win 7 boot but it will not boot windows. When that option is selected the screen changes colour for 2 seconds and then reverts to the GRUB menu. Ubuntu boots fine.I downloaded the Boot Info Script and ran it, the results are

Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================[code].....

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Ubuntu Installation :: Grub Menu Shows Windows Partition But Doesn't Load

May 4, 2010

I recently upgraded to 10.04. The grub menu shows my windows partition but does not load it when I select that OS.

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Ubuntu Installation :: Add Windows 7 To My Grub Menu Or To Even Be Able To Boot To Windows 7?

Mar 5, 2011

how to be able to add windows 7 to my grub menu or to even be able to boot to windows 7. I am currently unable to do it and my system just automatically goes straight to ubuntu. I've tried holding down SHIFT during startup and all that appears in my list is ubuntu entries and a memtest entry. My windows 7 files are still intact because I can see the drive through ubuntu and see all my files. I am trying to have Windows 7 on one hard disk that is 640GB and ubuntu on a second hard disk that is 160GB

[Code]...

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General :: Dual Boot Centos 5.0 And Windows XP Pro (XP Installed First)?

May 13, 2010

linux and a good thing to start is to install centos in my pc together with windows xp. please help me on how to dual boot Centos 5.0 and Windows XP pro step by step.

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Ubuntu Installation :: Dedicated Grub Partition - Two HDD And Dual Boot

Jan 21, 2011

Here's what I want to do. I have two separate HDD
HDD 1 : 160 GB (dedicated to windows, already working)
HDD 2 : 500 GB Will be using dedicated to ubuntu (not partitioned yet)

I want to use the HDD two only for linux and this HDD is not partitioned yet. What I want to do is
- A dedicated Grub partition (/boot) on HDD 2 (Do I really need it when I am using just two os? Will it work on second HDD?)
- / root partition
- /home partition
- /swap partition
- /fat32 partition (do I need it to share files with win?)

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Ubuntu Installation :: Dual Boot Windows Vista / Lucid 10.04, Grub Doesnt See Windows?

May 7, 2010

I had 9.10 installed and I did an upgrade to 10.04. However I cannot see anymore my Windows Vista partition with grub.. I have a Toshiba laptop Satellite p305.This is my boot script output:

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 [code].......

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CentOS 5 :: GRUB Won't Boot Windows?

Jun 9, 2009

OK Here's how it was:

1 I have 2 SATA drives - The first (/dev/sda) is a Windows only drive The second (/dev/sdb) has a Linux Partition + Swap (sdb1 and sdb2) of 40GB and the rest is an ntfs partition(sdb3)

I used to have Ubuntu on the Linux partition that nicely detected Windows, installed the bootloader on sda and correctly set up the boot options, everything "Just worked"!

Since I'm studying for RHCT I decided to wipe Ubuntu for CentOS, Centos also nicely detected an "Other" operating system, but it decided to install the bootloader to sdb. After a few minutes of frustration I realised this had happened and changed the BIOS to boot sdb instead of sda. While GRUB now happily boots CentOS, When I select Windows it just hangs.

I tried grub-install /dev/sda and changing the BIOS to boot sda, all I got was GRUB GRUB GRUB printed on the screen and then nothing happens.

get both OSes to boot? I suspect that windows doesn't like it if the bootloader is on a different drive to it's own partition.

UPDATE

It's OK I tried again to grub-install /dev/sda and changed the /boot/grub/device.map file and reversed the hd0 and hd1 entries, i then edited the menu.lst file and did the same, it now boots both OSes ok. The only downside is the nice CentOS background is missing in Grub now :)

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CentOS 5 :: Dual Boot With Windows RAID And Drive Combination

Jan 8, 2011

I have a pre-existing setup with Windows XP Professional and CentOS5.5 on a dual boot setup with the Linux drive setup as the primary drive hosting the grub menu.

I am replacing these machines with new updated ones and they have windows setup on a RAID0. I think it would be easiest to follow my previous setup and move the RAID to secondary SATA ports and put the linux drive on the primary SATA port, or should I just change the boot order in the BIOS to have the secondary linux drive boot first?

can I move a RAID setup to secondary controller ports without breaking the RAID?

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General :: Grub Boot Loader Installation In Dual Boot Machine After Windows 7 Installation?

Mar 23, 2010

I had a dual boot machine with fedora 12 and windows vista and I could use grub boot-loader to switch between two. Few days ago windows got corrupt and I have to reinstall it. I put windows 7 now and as usual it erased grub. So to reinstall I put the fedora 12 installation CD on and followed some usual setup steps. When I got the command line I issued the command "grub-install /dev/sda" (sda not hda because It showed bunch of sda, sda1..) but surprisingly it said grub command not found. I remember doing it before while it worked fine.

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Ubuntu Installation :: Dual Boot Using Windows Boot Loader, Not GRUB?

Nov 8, 2010

I'm trying to dual boot Win7 and Ubuntu WITHOUT using Grub. This is to support Bitlocker encryption.

I followed this guide, and now when I select Ubuntu I get a Grub> prompt and no ubuntu.

I feel like I'm halfway there, I just need to get Grub to load correctly or something.

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Ubuntu Installation :: Why Boot Partition Is Recommended For Dual Boot Of 10.04 And Windows 7?

Jan 5, 2011

if having a boot partition is recommended for dual boot installation of Ubuntu 10.04 and Windows 7 and why?

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Ubuntu Installation :: Boot To 10.04 Or Windows XP From Grub Menu?

May 3, 2010

It would be nice to get a sticky thread up for dual boot installation issues. It seems like this is a very common problem with the upgrade from 9.10 to 10.04.

I was finally able to solve my issue dual booting 10.04 and Windows XP Home at this thread.

[URL]

I had to reinstall Grub2 and run update-grub.

Then I had to run Rescue on my XP disk. Once to the DOS command line I ran the following command:

C:Windows>fixboot c:

I rebooted and now all is well. I can boot to Ubuntu 10.04 or Windows XP from my Grub menu.

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Fedora Installation :: Dual Boot With Xp - Grub Can't Boot Into Windows?

Jan 10, 2010

I just set up a dual boot on a system with fedora 12 and XP. XP in on one hard drive (sda) and Fedora on a second hard drive (sdb).

I installed grub on the Fedora disk so as to not touch the windows disk at all.

Prior to installation, in the bios, I set the Fedora disk (sdb) first in the boot sequence, and then XP (sda) so that the grub loader would boot up by default. (If I set the windows drive first then the system bypasses grub and loads straight into windows.)

My system can now boot up into Fedora fine, but if I select windows from the grub loader menu I just get a blinking cursor - windows will not boot.What do I have to do so that grub can boot into XP?

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Ubuntu Installation :: Grub For Dual Boot (with Windows 7 Pro)?

Jul 8, 2011

11.04 installed on free space I had setup but it didn't install Grub2 for a dual boot (with Windows 7 Pro). It may have gotten confused with my disk setup. Drives and their groupings (Windows lingo):

- Windows 7 Pro on C-drive (appears to be sdb2), it is a SSD
- The free space was setup on this SSD and Ubuntu is located on sdb5 (Linux) and sdb6 (swap space).
- Applications stored on D-drive (RAID0 with 2 small SSDs using RST (Intel Rapid Storage Technology).
- data on a RAID card using HDs in RAID0.

Small wonder it got confused, if that is the problem. I have a LiveCD I can use to boot, is that the best? What are the commands to install. Is there a better way?

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CentOS 5 :: Unable To Boot After Fixing Partition Order In Fdisk - Grub Fails

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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CentOS 5 :: Make Grub Boot Windows Automatically?

Nov 9, 2009

I have read some stuff but none seemed to work such as putting default=saved and in the window (other) section putting savedefault. hmm I know I can just specify the number after default but that breaks when a new kernel is installed. so any way to always make windows the default choice (so my wife will stop moaning

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Jun 28, 2010

I'm an unexperiences Ubuntu user havning installed a dual boot with Windows XP and Ubuntu 9.10. However, when I'm booting my system now, the Windows option has disappeared from the menu, and the list only contains many different updates of my Ubuntu system. Can anyone try to explain me how I can retain my Windows option?I onlyuse Ubuntu for programming purposes, so skills regarding this topic is very poor

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