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Old 10-16-2003, 04:57 AM   #1
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Registered: Oct 2003
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Question MBR & Partition Table

Hey all, my first post.....and it's a problem,

Here's my story:

So, I downloaded Linux RedHat 9 and created some unpartitioned space on my only physical hard drive, then I proceeded to install it thru the graphical setup for a destop machine, and i told the install to use the unpartitioned space, and I used GRUB, the thing is i also have WinXP on the first 15 gig of the hard drive in NTFS format, and linux partitions had 5 gig. Everything worked fine, I could boot into either WinXP or RedHat 9. But then linux ran out of space and went into a constant loop of logging in, but thats not the point.

At this time i loaded windows and started PartitionMagic 8, I deleted the linux partitions thinking that my computer will be back to normal (e.g. loading WinXP all the time). I rebooted my computer and the grub command line interface came up....I researched on the net and something said that i had to re-write my MBR, so i did. I think i used the "fixmbr //Device/Harddisk0" command in the recovery console with the WinXP cd, anyway, that didnt work, now when I booted it came up with "invalid partition table", so I tried a few more MBR fixing tools. I tried: "fixboot C:" in recovery console and "fdisk /mbr", neither worked.

But now when i boot, I get the message "NTLDR is missing", I put my harddrive into another computer and my main WinXP 15 Gig NTFS partition was reported as a 15 Gig FAT16 partition. Why?

Are one of the MBR fixing tools not compatible with NTFS and just wrote a FAT16 partition instead?? Is there any way to convert the FAT16 MBR/Partition Table back into the proper NTFS??

I'm all ears right now, i've tried everything I know, any help whatsoever will be greatly appreciated...
Old 10-16-2003, 07:05 AM   #2
Registered: Feb 2003
Location: UK
Distribution: Currently Fedora Core 3
Posts: 136

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Quickest way for you to fix this is to use your windows disk and select the repair option in XP. If you select the console repair option and rewrite the MBR it will warn you about this but it has worked everytime I have recovered a dual boot system this way. Then once you can get windows booting you can then reinstall linux to the remaining available space again.
Old 10-16-2003, 10:19 AM   #3
Registered: Aug 2003
Distribution: Mandriva, Slackware
Posts: 265

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the right commands are:
from windows recovery console, afaik, you don't have to specify the path to the device.
Anyway, now abouth the NTLDR missing message: run chkdsk /r from win xp recovery console also.
Good luck!
Old 10-17-2003, 06:31 PM   #4
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I tried the FIXMBR and FIXBOOT, but afterwards when i type "MAP" it still says that it is FAT16. And "chkdsk /r" does not even work because it says there is one or more unrecoverable problems...


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