Win2k dual boot recovery help

Bart Garst plug-discuss@lists.plug.phoenix.az.us
Tue, 1 Oct 2002 14:01:04 -0700


I apologize for my ignorance. Newbies usually send overly-simplified
questions and I mistook yours for one of them.

I looked around a bit and found 2 articles that address the multi-boot of
linux and WinNT/Win2k. One has a solution with grub on the MBR, the other
uses the Windows OS loader. Neither require a re-installation of linux. I
still don't understand why you feel a re-install is necessary. It should be
possible to copy the boot loader from the MBR to the linux root partition
without disturbing your install.

The grub boot loader article:
http://www.tux.org/~joel/grub.html
The Windows OS loader article:
http://www.mastincrosbie.com/mark/linux-ob6k/win2k.html

Good luck,
Bart


History:
- computer arrives with Win2k installed on NTFS
- Shrink original partition and create 2 additional partitions using
Partition Magic
- Install Win98 on FAT32 on one of the partitions so that Win2k provides
choice between them
- Install RH 7.3 on the third partition, choosing to put GRUB in the MBR
- Now have computer that provides "Red Hat" and "DOS" choices in GRUB
- Choosing Red Hat boots Linux.  Cool.
- Choosing DOS brings up the Win2k boot menu, providing Win2k and Win98
choices.
- Choosing Win98 there boots Win98.  Fine.
- Choosing Win2k there produces:
"Windows 2000 could not start because the following file is missing or
corrupt: <windows 2000 root>/system32/ntoskrnl.exe.
Please re-install a copy of the above file."

I know I need to do "fdisk /mbr" from a Windows boot disk to get Win2k back
alive (at least I am pretty sure that's what must be done).  But, what do I
do after that to make the Linux partition selectable and bootable since
that operation will wipe out GRUB?

At this point, it may be just as easy to re-install the Linux after fixing
the Win2k boot problem.  I just wanted to learn how to do it without
re-installing.

Alan


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