Re: Restoring the MBR on a CD-ROM less Notebook
- From: Karl Larsen <klarsen1@xxxxxxxxx>
- Date: Wed, 19 May 2010 06:58:59 -0600
On 05/19/2010 04:59 AM, Goh Lip wrote:
On 05/19/2010 03:07 PM, Amichai Rotman wrote:Yes this is a "Pure Windows Question" and I must say those are
Hey Tom,Since most of us here are not very familiar with windows, there is a
Thank for the great info, except there isn't any Linux on it now. I need
to re-create Windows 7 boot loader or whatever.
I started a live Ubuntu 10.04 stick and I found out the partitin I need
to boot is /dev/sda2...
Thanks!
.:====================================================:.
Amichai Rotman
Registered Linux User#: 201192 [http://counter.li.org/]
Registered Ubuntu User #12851 [http://ubuntucounter.geekosophical.net]
------------------------------------------------------------------------------------------------------------
.:====================================================:.
On Wed, May 19, 2010 at 07:22, Tom H<tomh0665@xxxxxxxxx
<mailto:tomh0665@xxxxxxxxx>> wrote:
On Tue, May 18, 2010 at 3:37 PM, Amichai Rotman<amichai@xxxxxxxxxxx
<mailto:amichai@xxxxxxxxxxx>> wrote:
> My sister bought a new Asus UL20A. I managed to convince her to
give Ubuntu
> a try (it came with Windows 7 pre-installed), So i installed
10.04 on it.
> It has a single 320 Gb HDD, I was very careful not to wipe the
recovery
> partition, but I had to cut the original system partition (disk
C:) into 2
> partitions for Swap. so:
> It had a Disk C: (I think about 80 Gb in size) and the rest as
disk D: for
> data.
> I chose to manually partition the drive during the installation
and deleted
> the 80 Gb partition and created a 1024 MB for swap and the rest for /
> (root), the rest - i didn't touch.
> After installation, the last option in the GRUB menu was Windows
Vista
> (although it was actually Windows 7). I didn't give it much
thought...
> The deal was she tries Ubuntu for a week, then she decides if she
wants to
> keep it or go back to Windows 7. Regrettably - she chose the
latter.She has
> to go abroad for 3 months and she's affraid she will be stuck and
no one
> will know how to help her. She said she had nothing against Linux
but...
> I tried to launch the recovery process by pressing F9 during boot
- but
> nothing happened. I then tried to boot from
that mysterious option on the
> menu - an what da ya know ! it's the recovery process! So it went
about
> recovering - just as if I pressed F9 - and then told me
the recovery was
> done and I should click OK to shut down.
> And here is the part I need help with: The next time I pressed
the power
> button - it says there is an error and gives me the "grub
rescue>" prompt...
> Please help me! There is no CD ROM drive, no recovery DVD media
supplied (a
> note that came with the computer says one is not supplied with
this model).
> How do I boot from USB stick and recover the Windows 7 MBR / Boot
loader?!
> All I have is my on Ubuntu Lucid on both my Desktop and my Netbook...
At the grub rescue prompt:
Run "ls" to display your disks and partitions
Run "set" and check the values of "root" and "prefix"
If "root" and "prefix" are incorrect (if you do not know what they
should be, run "ls (hdX,Y)/boot" for the different values of X and Y
since search isn't available in rescue mode), run
set root=(hdX,Y)
set prefix=(hdX,Y)/boot/grub
to set them to the correct values
Run
insmod normal.mod
or, if necessary,
insmod /boot/grub/normal.mod
Run
linux /boot/vmlinuz-2.6.x.x root=/dev/sdXY ro
initrd /boot/initrd.img-2.6.x.x
boot
(use tab completion)
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method of recovery using the installation cd. (fixboot/fixmbr,
whatever), but best you check/google it out.
If you do not have the installation cd, I propose this method so you can
boot into windows and from there, repair your mbr.
[to boot to windows]
grub rescue> set prefix=(hd0,2)/boot/grub
grub rescue> insmod (hd0,2)/boot/grub/normal.mod
rescue:grub> normal
grub> set root=(hd0,1)
grub> chainloader +1
grub> boot
[note]
I assume from your message ubuntu is in /dev/sda2
I also assume there is no separate /boot partition
I again assume windows is in /dev/sda1
ps: if you have a grub-rescue cd, just pop in the cd and do the
'grub>' thing.
[at this point, you should be in windows, else I'll give up too]
Now, at windows, open a command and do this
X:\windows\system32>bootrec /FixMbr
caveat: not sure if this will work, no reason to try it.
if this doesn't work, then download easybcd, run the .exe file and
repair accordingly (again repeat caveat - why not download easybcd.exe
first?)
Hope this helps, if not, I don't think I can help you further, except
perhaps sending you a grub rescue cd.
If you have all this cleared, then think about using a gparted cd to
clean up the hard drive, again, carefully.
Regards - Goh Lip
weird to a person using Linux :-[
73 Karl
--
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Linux User
#450462 http://counter.li.org.
Key ID = 3951B48D
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- References:
- Restoring the MBR on a CD-ROM less Notebook
- From: Amichai Rotman
- Re: Restoring the MBR on a CD-ROM less Notebook
- From: Tom H
- Re: Restoring the MBR on a CD-ROM less Notebook
- From: Amichai Rotman
- Re: Restoring the MBR on a CD-ROM less Notebook
- From: Goh Lip
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