Bummer... I busted the MBR. :(

[Stephen]

:-) i can appreciate that, but it is something i have done repeatedly
in the past and know it is functional.

but you now have 2 tools both know to work :-)

On Fri, Dec 18, 2009 at 11:01 AM, kitepilot at kitepilot.com
<kitepilot at kitepilot.com> wrote:
> I would BLINDLY trust:
> dd if=other-MBR.iso of=/dev/sda bs=446 count=1
>
> I would NOT trust FIXBOOT and/or just about anything Micro$haft to
> manipulate my partitions...   ;-)
> THANKS!!!
> ET
>
>
>
> Stephen writes:
>
>> yes, however if you have a windows XP disk you just boot it, hit the
>> option to go to the repair console type FIXBOOT and then fdisk /mbr
>> and it rebuilds the MBR as well.
>>
>> On Fri, Dec 18, 2009 at 8:16 AM, kitepilot at kitepilot.com
>> <kitepilot at kitepilot.com> wrote:
>>>>> get the 446-byte boot record from somewhere and dd it to /dev/sda
>>> I LIKE THIS IDEA!!!   :)
>>> Are you telling me that I can just grab those 446 bytes from *ANY* WinXP
>>> box, copy them to my MBR and the laptop will boot?  8)
>>> That's a pretty "un-risky" proposition...   :)
>>> Thanks!
>>> ET
>>>
>>>
>>>
>>>
>>> Matt Graham writes:
>>>
>>>> From: "kitepilot at kitepilot.com" <kitepilot at kitepilot.com>
>>>>> I went and installed Kubuntu 9.10 (which uses GRUB 2) on the flash
>>>>> drive and forgot to tell the thing to leave /dev/sda alone...
>>>>>
>>>>> Now the machine only boots from the flash drive.
>>>>> My plan is to backup the 512 bytes of the MBR and (MOST IMPORTANT!)
>>>>> the partition table and use "something" (insert cloud of ignorance
>>>>> here) to rebuild the windoze boot record.
>>>>
>>>> Run FIXMBR or FDISK /MBR from a 'Doze boot CD.  Failing that, get the
>>>> 446-byte boot record from somewhere and dd it to /dev/sda .  There's
>>>> actually no need to do anything with the partition table here.
>>>>
>>>>> Can I trust whichever tool I use (and hope you will tell me) to
>>>>> leave the partition contents alone or [had] I better dd the whole
>>>>> 250GB of /dev/sda somewhere else in case *IT* happens?
>>>>
>>>> There will be no need to back up things if you use the tools in the
>>>> previous paragraph.
>>>>
>>>> --
>>>> Matt G / Dances With Crows
>>>> The Crow202 Blog:  http://crow202.org/wordpress/
>>>> There is no Darkness in Eternity/But only Light too dim for us to see
>>>>
>>>>
>>>>
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>>
>>
>>
>> --
>> A mouse trap, placed on top of your alarm clock, will prevent you from
>> rolling over and going back to sleep after you hit the snooze button.
>>
>> Stephen
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen