Switching from GRUB to NTLDR

Jeff Vian jvian10 at charter.net
Wed Jan 11 21:59:48 UTC 2006

On Wed, 2006-01-11 at 18:29 +0200, Gilboa Davara wrote:
> On Wed, 2006-01-11 at 15:59 +0000, Vicki Walsh wrote:
> > >Let me see if I got what you want.
> > >You want the NTLDR to load first, and then the grub, right?
> > >Here goes.
> > 
> > >1. Boot from Linux CD, save the MBR:
> > >dd if=/dev/[sh]da of=/linuxboot.dat bs=512 count=1
> > >2. Reboot using a Windows 9x / DOS floppy/CD. Then:
> > >fdisk /mbr
> > >From fdisk, make sure you mark the Windows partition as active.
> > >3. Reboot to Windows, copy the MBR copy (from step 1) to C:
> > >4. Edit the boot.ini file, append this line to the end of the file:
> > >c:\linuxboot.dat="Fedora Core Linux"
> > >5. Reboot.
> > 
> > I'm a little confused. Should I be dd'ing the MBR or should I be
> > installing grub on the Linux partition and then dd'ing the bootsector?
> > Also this is on Win2000 using NTFS. Does that have or support
> > fdisk /mbr?
> >  
> > I already have both windows and fedora installed with Grub running as
> > the bootmanager. Apologies if I am misunderstanding anything in the
> > answers to my mailings as I am still a newbie and dont always
> > understand everything yet.
> >  
> > Thanks for all the assistance I am receiving so far,
> If grub is already installed on your MBR, use dd to save the grub's MBR
> and clean it. (by using fdisk /mbr).
> Copy it to your Windows partition and add it to your boot.ini.
Fdisk /mbr will NOT install the needed ntldr on the boot sector
(although it is all that is needed for win98).

Instead you will need to boot to rescue/repair mode from the 2000/XP
install CD and then run the FIXMBR command to put the ntldr on the boot

I have always installed grub on the boot sector of the Linux root
partition and used that sector to create the image used in Winblows to
boot Linux from the 2000/XP boot loader. 

> >  
> > Vicki
> Gilboa

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