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Thread: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

  1. #1

    Default GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    Hi, I'm new.

    After a routine install of Windows 7 (I have done things like this before) I inserted OpenSuse 12.1 netinstall CD and rebooted.

    My disk configuration (by heart, according to fdisk -l if I remember correctly):

    sda 900 GB NTFS Data partition (boot)
    sdb 250 GB Linux/Swap partitions
    sdc 250 GB Windows 7 partition (boot)

    So I booted from CD and started "Rescue System"

    Code:
    Rescue> grub
    grub> find /boot/grub/menu.lst
    (hd1,1)
    grub> root (hd1,1)
    ...
    grub> setup (hd1)
    ...
    grub>quit
    Now in my experience (I had fixed GRUB on another PC with these commands less than a week ago) GRUB was supposed to be working again.

    Windows started.

    I decided to try again, but this time I was in a hurry... So instead of setup (hd1) I told it to use hd0. Guess what? Error 22.

    After a little googling (Se7en has no fixmbr command) I was able to make Windows boot again with:
    Code:
    bootsect /nt60 ALL /mbr
    (AFAIK this tells Windows to write again its boot code on every NTFS partition and then update the MBR)


    Finally I got Seven running again, but I have no clue whatsoever on how to get GRUB back, since it is so kind to behave in a totally different way than it always used to.


    What should I try next?

  2. #2
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    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    http://forums.opensuse.org/new-user-...ml#post2097786

    You should install to hd0

    setup (hd0)
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  3. #3

    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    I tried. It gave me a GRUB error 22.

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    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    Please let me see your fdisk info

    fdisk -l

    I suspect the boot flag is not in the correct place
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  5. #5

    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    Boot flag is on both NTFS partitions (see my first post).

    I'll dobule check right now and get back to you, anyway.

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    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    You need a boot flag on hd1,1

    Are you sure the hd boot order hasn't changed? Some people pull the power on hd's when they reinstall windows or mess with the bootloader. If you do the boot order changes.
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  7. #7

    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    If you install Grub in the MBR of a hard disk , with setup(hd0), setup(hd1) etc, the bootflag is irrelevant.
    Do you have 3 hard disks?

  8. #8

    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    Yes, 3 phisical harddisk as I wrote in my first post.

    @caf4926: before I mess everything up,
    should I do this from Gparted?
    Do I have to remove the boot flag on the other harddisks?
    hd1,1 is sdb2 right?
    After that on which disk should I give setup?

  9. #9

    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    Quote Originally Posted by caf4926 View Post
    You need a boot flag on hd1,1
    Karl, don't you remember when I asked you to unset the bootflag on your sandbox computer and reboot? What happened then?

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    Default Re: GRUB went MIA after Windows 7 Installation [OpenSUSE 12.1)

    Quote Originally Posted by please_try_again View Post
    Karl, don't you remember when I asked you to unset the bootflag on your sandbox computer and reboot? What happened then?
    Yes you are correct
    That was Fedora IIRC

    @p_t_a
    You carry this one, I have to go cook for the family
    I'll check in later
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