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Old 11-22-2011, 11:04 AM   #1
sumeet inani
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boot problem

my computer has 2 hard disks 80GB & 1TB
I installed xp on first primary partition in 1TB hard drive.
Then debian on second (mount point : /root) & third partition (mount point : swap) which are logical type.

I asked debian to install grub & it seems it installed on MBR of 80GB hard disk .
This 80GB hard disk does not show up in BIOS so
[coolor=red]How can I install grub to MBR of 1TB partition ?[/color]
BTW , my version is debian-

Thank You.
Old 11-22-2011, 12:42 PM   #2
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I'm not sure about Debian, but I know the install process in Ubuntu/Mint has a drop-down menu asking you where to install the bootloader. If you have a GUI installation, make sure you look at each screen carefully before continuing.

Do you mean that Windows is installed on the first partition and the second partition of your 1TB is Debian? If that's the case, I think a simple and obvious solution is to disconnect the 80gb during the installation so that there is no wrong disk to write to.
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Old 11-22-2011, 01:31 PM   #3
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Fdisk -l will tell you which drive is listed as sda if sda is the 80 Gig drive then grub will try to install there, but you can install it to sdb but you have to change the line at grub install.
Another option would be to change the boot order of hard drives under boot options.
Old 11-22-2011, 03:23 PM   #4
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I suppose XP is booting?
So, I would install Grub4Dos on the 1TB: I think you can start debian.
See example how to start tinycorelinux via XP + Grub4Dos in
Old 11-22-2011, 09:36 PM   #5
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A bit odd that the 80G doesn't show in bios. That is not a real issue. The issue is you told or didn't actually tell where to put grub.
Old 11-23-2011, 07:16 AM   #6
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Download very small super grub2 disk and burn it to CD, boot the CD and select the pre-selected option to detect any OS, shortly after it will show your two Debian booting options, normal and recovery, and the Windows XP option. Select the Debian normal boot option and hit enter and it will boot you into Debian. Open a terminal and run the fdisk command as root or sudo to find which disk your installations are on. If indeed they are on /dev/sda, run command as root or sudo: update-grub then command: grub-install /dev/sda to install to the MBR. Reboot and there should be a menu to select either Debian normal, recovery or Windows XP.
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Old 11-26-2011, 02:32 AM   #7
sumeet inani
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Thank You , brains

initially I had super grub disk 1 which could be installed to usb without formatting it .
In case of installing super grub disk2 (on my uSB stick) I had to do
'dd if=path-to-iso-image of=/dev/sdd' (on my puppy)
Thus my USB stick is empty except iso files on it.
I selected 'detect any OS'
It gave me list of debian-normal,debian-recovery & xp boot
I booted normally into debian then
'df' which told root as /dev/sdb6
so I did as root
'update-grub;grub-install /dev/sdb'

My system's bootloader is concise & clear.

Last edited by sumeet inani; 11-26-2011 at 08:51 AM.


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