windows overwrote boot record

Robert Costa zabbarob at googlemail.com
Fri Aug 22 00:05:09 UTC 2008


hmm.. can you post the contents of /media/etc/mtab, /media/etc/fstab,
/media/boot/grub/device.map and /media/boot/grub/menu.lst  just to
see, if grub is really accessing /dev/sda5 (which would be "hd(0,4)"
for grub)... but to be honest, i don't understand what's going wrong,
too.. does the file /media/boot/grub/stage1 exist?

gotta go to bed, cya,
robert.


2008/8/22 Juan Kawada <juankawada at gmail.com>:
> ubuntu at ubuntu:~$ sudo grub-install --root-directory=/media /dev/sda
> The file /media/boot/grub/stage1 not read correctly.
>
> I just don't understand whats going wrong here.
>
> On 8/21/08, Juan Kawada <juankawada at gmail.com> wrote:
>> whoops. ok, everything there in that list was in dark blue, except for
>> initrd.img, lib64, vmlinuz, and cdrom, which were in light blue.
>>
>>
>> On 8/21/08, Juan Kawada <juankawada at gmail.com> wrote:
>>> oh. and
>>>
>>> ubuntu at ubuntu:~$ ls /media
>>> bin    dev   initrd      lib32       media  proc  srv  usr
>>> boot   etc   initrd.img  lib64       mnt    root  sys  var
>>> cdrom  home  lib         lost+found  opt    sbin  tmp  vmlinuz
>>>
>>> On 8/21/08, Juan Kawada <juankawada at gmail.com> wrote:
>>>> ubuntu at ubuntu:~$ sudo fdisk -l
>>>> omitting empty partition (5)
>>>>
>>>> Disk /dev/sda: 320.0 GB, 320072933376 bytes
>>>> 255 heads, 63 sectors/track, 38913 cylinders
>>>> Units = cylinders of 16065 * 512 = 8225280 bytes
>>>> Disk identifier: 0x724bd9dc
>>>>
>>>>    Device Boot      Start         End      Blocks   Id  System
>>>> /dev/sda1   *           1        6869    55175211    7  HPFS/NTFS
>>>> /dev/sda2            6870       11778    39431542+   7  HPFS/NTFS
>>>> /dev/sda3           11779       38913   217961887+   5  Extended
>>>> /dev/sda4           38162       38913     6040408+  82  Linux swap /
>>>> Solaris
>>>> /dev/sda5           11779       38161   211921384+  83  Linux
>>>>
>>>>
>>>> ok. I also tried this:
>>>> ubuntu at ubuntu:~$ sudo mount /dev/sda6 /media
>>>> mount: special device /dev/sda6 does not exist
>>>> ubuntu at ubuntu:~$ sudo mount /dev/sda5 /media
>>>> ubuntu at ubuntu:~$ sudo grub-install --root-directory=/media /dev/sda5
>>>> The file /media/boot/grub/stage1 not read correctly.
>>>>
>>>>
>>>>
>>>> On 8/21/08, Karl Klinger <karlok at fastmail.fm> wrote:
>>>>> Juan Kawada wrote:
>>>>>> would hd0 be my boot partition?  sorry I have no idea what i'm doing
>>>>>> really. How do I know what my boot/root partitions are?
>>>>>>
>>>>>>
>>>>>> On 8/21/08, Willy K. Hamra <w.hamra1987 at gmail.com> wrote:
>>>>>>> Juan Kawada wrote:
>>>>>>>> I just had to reinstall windows, and it overwrote the boot record, I
>>>>>>>> now boot to a screen that says
>>>>>>>>
>>>>>>>> windows xp home edition
>>>>>>>> windows xp professional
>>>>>>>>
>>>>>>>> I got into a live cd and tried this:
>>>>>>>> sudo grub
>>>>>>>> find /boot/grub/stage1
>>>>>>>> root (hd0,5)
>>>>>>>> setup (hd0)
>>>>>>>>
>>>>>>>> and got:
>>>>>>>> grub> find /boot/grub/stage1
>>>>>>>>  (hd0,5)
>>>>>>>>
>>>>>>>> grub> root (hd0,5)
>>>>>>>>
>>>>>>>> grub> setup (hd0)
>>>>>>>>  Checking if "/boot/grub/stage1" exists... yes
>>>>>>>>  Checking if "/boot/grub/stage2" exists... yes
>>>>>>>>  Checking if "/boot/grub/e2fs_stage1_5" exists... yes
>>>>>>>>  Running "embed /boot/grub/e2fs_stage1_5 (hd0)"...  16 sectors are
>>>>>>>> embedded.
>>>>>>>> succeeded
>>>>>>>>  Running "install /boot/grub/stage1 (hd0) (hd0)1+16 p
>>>>>>>> (hd0,5)/boot/grub/stage2
>>>>>>>> /boot/grub/menu.lst"... failed
>>>>>>>>
>>>>>>>> Error 22: No such partition
>>>>>>>>
>>>>>>>>
>>>>>>>> What's wrong?  I've also tried setup (hd0,5) with similar results.
>>>>>>>>
>>>>>>>> Is this because I'm using i'm using the 7.10 live cd on an 8.04
>>>>>>>> install? I'm not sure where my 8.04 disc went.
>>>>>>>>
>>>>>>> i don't think it matters, grub is the same for all versions and
>>>>>>> distros
>>>>>>> AFAIK.
>>>>>>> i'm sorry i can't be of much help, since i never used that command,
>>>>>>> when
>>>>>>> i do any reinstall/repair of windows, and the MBR gets overwritten, i
>>>>>>> boot the LiveCD-any *buntu LiveCD-and do the following
>>>>>>> mount my partition, if you have more than 1 partition, you need to
>>>>>>> mount
>>>>>>> the root partition and the boot partition, keeping their original
>>>>>>> directory tree, for example, if you mounted the root partition under
>>>>>>> /media , you should mount the boot partition under /media/boot .
>>>>>>> and then i issue the following command:
>>>>>>>
>>>>>>> sudo grub-install --root-directory={mount directory} /dev/{the device}
>>>>>>>
>>>>>>> mount directory=the directory you mounted your root partition at
>>>>>>> the device=the hard disk device you want to install grub on
>>>>>>>
>>>>>>> hope this works
>>>>>>>
>>>>>>> --
>>>>>>> Willy K. Hamra
>>>>>>> Manager of Hamra Information Systems
>>>>>>> Co. Manager of Zeina Computer & Billy Net
>>>>>>>
>>>>>>
>>>>>>
>>>>>  From your grub output it looks like your root partition is sda6 and you
>>>>> don't have a separate boot partition.  Thus you could:
>>>>>
>>>>> sudo mount /dev/sda6 /media
>>>>>
>>>>> At this point you could do an 'ls /media' to make sure that it contains
>>>>> the linux directory tree.  If all is well, do:
>>>>>
>>>>> sudo grub-install --root-directory=/media /dev/sda6
>>>>>
>>>>> Karl
>>>>>
>>>>> p.s. I noticed on another thread that you had recently installed a
>>>>> second dvd drive.  I wonder if this could have confused grub and caused
>>>>> it to fail.
>>>>>
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