[vox-tech] grub blunder

[Bob Mullan]

Bruce
Thank you for your help. In Knoppix one can select the drive from the top
right of the desk top screen. By default they are not writeable. You can
toggle them to writeable which I assume I would have to do to use the
install-mbr command. Right? Well if so I'm between a rock and a hard place
because I am given to understand that changing the read write status of the
NFTS drive in Knoppix is very risky. Do you have any views on this?
Bob

-----Original Message-----
From: vox-tech-bounces at lists.lugod.org
[mailto:vox-tech-bounces at lists.lugod.org] On Behalf Of Bruce Wolk
Sent: February 26, 2006 3:43 PM
To: lugod's technical discussion forum
Subject: Re: [vox-tech] grub blunder

Bob Mullan said the following:
> I installed Debain i86 with Grub on C:\ for dual boot. (Windows XP pro, 
> NFTS hard drive). The Debain itself was installed on an external hard 
> drive connected via USB2. This was probably not the right thing to do 
> but no use crying over spilt milk.
> 
>  
> 
> When I tried to boot up I got…
> 
>  
> 
> “GRUB loading stage 1.5
> 
> GRUB loading, please wait…
> 
> Error 21”
> 
>  
> 
> I have tried;
> 
> Two Our Fathers and seven Hail Mary’s for penance, (no use);
> 
> Buying My wife chocolates, (its her PC and she is pissed);
> 
> Reinstall  Debain saying no to grub, (same error message on reboot);
> 
> Windows boot disc to get me to the recovery console but it doesn’t want 
> to accept my password as the “administrator password” and I’ve tried 
> every password I’ve ever used and can’t get in;
> 
> Knopixx bootable Linux which shows me the partitions but I am told that 
> one should not make a NFTS writeable and therefore this is useless.
> 
>  
> 
> Does anyone know if there is a way to use Knoppix to fix the MBR on 
> NFTS? Anybody have any other ideas? Know a good divorce lawyer?
> 
>  
> 
> Bob

I believe that Knoppix provides an equivalent to the DOS fdisk /mbr 
command called install-mbr. So try booting Knoppix and run the following 
command from a console.

sudo install-mbr /dev/hda

I'm assuming /dev/hda is your C: drive. For more info type

man install-mbr

in a console.

Bruce
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