Removing Windows from Dual Boot

Michael D. Setzer II mikes at
Thu Aug 26 22:02:24 UTC 2010

On 26 Aug 2010 at 13:31, Weiner, Michael wrote:

Subject:	Removing Windows from Dual Boot
Date sent:	Thu, 26 Aug 2010 13:31:46 -0400
From:	"Weiner, Michael" <weinerm at>
To:	"Community assistance, encouragement, and advice for using Fedora."
	<fedora-list at>
Send reply to:	Community support for Fedora users <users at>
	<mailto:users-request at>
	<mailto:users-request at>

>     I am sure this has been asked a number of times, and I am not finding anything relevant 
>     using a google search, so I thought I would post my query here. I have a user that owns 
>     a Dell Inspiron laptop, that has a 60G drive split in two, with Windows XP on the first 
>     partition, and Fedora Core 7 on the second. Now, he decides he would like me to 
>     remove Windows XP and make it a 100% linux laptop. Great, I think to myself, a convert! 
>     Until I look at the way it is configured:
>     [root at leex ~]# fdisk -l /dev/sda
>     Disk /dev/sda: 60.0 GB, 60011642880 bytes
>     255 heads, 63 sectors/track, 7296 cylinders
>     Units = cylinders of 16065 * 512 = 8225280 bytes
>      Device BootStartEnd Blocks IdSystem
>     /dev/sda1*1 347027872743+ 7 HPFS/NTFS
>     /dev/sda234713483 104422+ 83 Linux
>     /dev/sda334847296 30627922+ 8e Linux LVM
>     [root at leex ~]# df
>     Filesystem1K-blocks Used Available Use% Mounted on
>     /dev/mapper/VolGroup00-LogVol00
>     28599044 22148476 4974372 82% /
>     /dev/sda2101105 1863177253 20% /boot
>     tmpfs2574160 257416 0% /dev/shm
>     And from /boot/grub/grub.conf
>     #boot=/dev/sda
>     default=0
>     timeout=5
>     splashimage=(hd0,1)/grub/splash.xpm.gz
>     hiddenmenu
>     title Fedora Core 7
>     root (hd0,1)
>     kernel /vmlinuz- ro root=/dev/VolGroup00/LogVol00 rhgb quiet
>     initrd /initrd-
>     title Microsoft Windows XP
>     rootnoverify (hd0,0)
>     chainloader +1
>     I find many tutorials showing how to uninstall Linux from the second partition and return 
>     the machine back to the original XP configuration, but none really documenting the 
>     process going the other way (eg keeping linux and dumping xp). And I am not even sure 
>     it can be done.
>     Has anyone done this? If so, is there some documentation that I can sneak a peak at to 
>     help push me in the right direction?
>     Thanks in advance
>     Michael

Have seen a number of replies to this original message, but there is one 
issue that I haven't seen addressed. 

In my reading of the setup, the disk is using the Windows ntldr as the primary 
boot loader, since the NTFS partition has the boot flag? It may be that boot 
loader has been changed to grub, but the boot flag is not on the linux boot 
partitions, so you might need to reload the grub boot loader to correct this. 

I would always do a full image backup before doing anything, so that if 
something doesn't work, you can put the machine back as it was.

Good Luck.

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  Michael D. Setzer II -  Computer Science Instructor      
  Guam Community College  Computer Center                  
  mailto:mikes at                            
  mailto:msetzerii at
  Guam - Where America's Day Begins                        
  G4L Disk Imaging Project maintainer
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