Re: Dual boot MBR fail --> Some advises.

From: AnonymousFC3 (no_at_email.net)
Date: 11/22/04

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    Date: Mon, 22 Nov 2004 11:13:09 -0800
    
    

    Bruce:
      I am not sure I understand your request.
    Fails, how?
    1) There is a quite good HOWTO on dual boot.
    2) Unfortunatly dual boot is not yet adressed in the RH/Fedora distro, but
    is very doable if you knaow what you are doing.

    --
    Now I will try:
    1) To recover your windows you can boot with a dos diskette with fdisk.exe
    and type:
      fdisk /mbr
    There is no feedback, but the MBR (master boot record)will be restored and
    windows will be bootable.
    2) If you have made a Linux bootable diskette, you can boot Linux with it,
    and then modify the MBR as explained in the howto (OR Linux in a Nutshell).
    Hopefully you have use GRUB as your boot loader, but even with Lilo, this
    works.
    3) An alternative is to reinstall Linux.
    Hopefully you have a t least three partitions for Linux:
         a) /boot     not that big, say 100MB is plenty, it will contains GRUB,
    and one or more kernel compressed code. Up2date will add new kernels code
    there.
         b) a swap partition, about twice the amount of RAM you have, 1 GB is
    usually fine.
         c) A partition to install Linux, and mount /   5 to * Gb is what you
    need.
    WHen you reinstall linux (suggest you get FC2), then go to manual install,
    and ask to install GRUB and boot loader at the first sector of the /boot
    partition. Then everything will work!
    Note, that it is alway a good idea to have a Linux boot diskette (or CD),
    and a copy of your fisrt sector, for both Windows, and Linux. Use dd to
    create or restore.
    Hope this help.
    Good Luck.
        AFC3
      
    Bruce Barbour wrote:
    > Red Hat 9, mbr not operating, grub.conf shown in faded text in
    > /boot/grub/grub.conf file.  Windows 98 on first partition, mbr scrambled
    > after crash so only loads Windows on re-boot.
    > Can I use Rescue on install disk to re-set mbr?  Red Hat Bible advice to
    > type following as root -"grub-install /dev/hda" fails - no such command.
    > Tnx
    

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