Bummer... I busted the MBR. :(

[Stephen]

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