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11/04/2009 at 03:26PM PST, ID: 24872964
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9.3

installing Backtrack on external USB caused grub to stop my vista machine booting - Error 21

Asked by xoundboy in Operating Systems Miscellaneous, Ubuntu, Linux

Tags: Grub, Backtrack, External USB, Error 21

Last night I installed Backtrack on an external USB drive plugged into my Vista laptop.

It works fine and the laptop now boots using Grub. The problem is that if I try to boot the laptop without the external USB drive connected I get this error:

GRUB loading, please wait...
Error 21

I tried to find a solution by googling around - read about the super grub disk and used it to remove the grub using this command

WIN => MBR & !WIN! :(((((((((((((((((

this just caused some diagnostic program to appear but I couldn't boot my Vista, so I then re-booted with SGD and used the command:


GRUB => MBR & !LINUX! (1) AUTO ;-)))

which then restored the grub loader as it was before - ie I still have to have the external USB drive connected.

Now I'm starting to feel way out of my depth. Please can someone help me just get my laptop to boot Vista without needing the external drive and (if possible) to boot the backtrack partition if and when the external drive is connected.
 
Keywords: installing Backtrack on external USB ca…
 
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[+][-]11/04/09 09:03 PM, ID: 25746900

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[+][-]11/05/09 03:05 AM, ID: 25748278

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[+][-]11/05/09 11:27 AM, ID: 25752974

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About this solution

Zones: Operating Systems Miscellaneous, Ubuntu, Linux
Tags: Grub, Backtrack, External USB, Error 21
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Solution Provided By: pjvog
Participating Experts: 1
Solution Grade: A
 
 
[+][-]11/22/09 07:51 AM, ID: 25882336

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