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[NMLUG] Argghhh!!! I hosed my MBR
On Mon, 6 Dec 2004 17:27:26 -0700, James Hamilton wrote
> On Mon, Dec 06, 2004 at 08:41:05PM -0700, michael wrote:
> > You need to boot up from an install cd.
> >
> > Then switch your virtual terminal ato get a prompt.
> >
> > fdisk your partitions.
>
> What exactly would you use fdisk for. The partitions are intact
> only the MBR is broken. Last time I did this fdisk was unneeded.
I meant fsck, I was just in windoze land.
You would use fsck to fix your broken inodes on the failed startup.
>
> > Then mount them. You will manually have to rebuild the directories if
you
> > have mount points.
> > Then chroot to your partitions.
> > Then re-run lilo in the chrooted environment.
> >
> > If you do not fdisk the partitions, your lilo will not work.
> >
> > michael
> >
> > On Mon, 6 Dec 2004 11:04:54 -0800 (PST), Tim Emerick wrote
> > > I updated my Win98 partition on my dual boot debian/Windows machine
> > > to Windows XP. I expected XP to take over the MBR but didn't
> > > realize how difficult it was to have LILO take it all back. I'm now
> > > stuck with a dead machine.
> > >
> > > Partititions are all intact, checked them with knoppix.
> > >
> > > I tried booting knoppix and following some directions on restoring
> > > the MBR so that LILO could handle the bootup. Got lost since most
> > > of the directions I could find were redhat related and I'm running
> > > debian. I also got lost since everytime I tried to run lilo it was
> > > looking at the knoppix generated /etc/lilo.conf that resided on the
> > > ram disk.
> > >
> > > Found some generic linux instructions on running lilo from a virtual
> > > terminal using the install CD (I used my Debian/Testing netinst CD).
> > > Couldn't get lilo to run.
> > >
> > > I also tried popping in the Debian install disk and typing linux
> > > root=/dev/hda1 and root=/dev/hda3. Bounced back an error about not
being
> > > able to mount the root.
> > >
> > > So, I'm pretty much at a loss. My lack of technical expertise is surely
> > > hindering my efforts at getting this box back up and running.
> > >
> > > I've looked at some doc's that showed how to edit Windows XP's
> > > boot.ini file to boot the linux partition but I prefer the lilo
> > > setup I had.
> > >
> > > With all that said.....HELP!!!!!! I really need either dummy's
> > > approach or a link to a dummy's approach.
> > >
> > > Here's my Partition info.
> > > /dev/hda1 - 10MB - ext3 - /boot
> > > /dev/hda2 - 256MB - swap
> > > /dev/hda3 - 8GB - ext3 - /
> > >
> > > Thanks in advance,
> > >
> > > Tim Emerick
> > > /dev/hda4 - 70GB - vfat - /c (windows XP fat32 partition)
> > >
> > >
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>
> --
>
> James Hamilton
> Southwest Cyberport
> http://www.swcp.com
> 505-232-7992
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