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  1. #1
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    How to remove EXT DOS partition?

    I was given an old system that had (I think) Windows NT installed and now I want to reformat the hard drive - and install Win98 therefore getting rid of any information that might have still been on the disk, but I cannot seem to get rid of the EXT DOS partition. I tried using fdisk from DOS (not MS-DOS prompt) and I'm getting the merry run-around trying to get rid of that <img src=/w3timages/censored.gif alt=censored border=0> EXT DOS partition. <img src=/S/brickwall.gif border=0 alt=brickwall width=25 height=15>
    The options that come up are
    1. <LI>Create DOS partition or Logical DOS Drive
      <LI>Set active partition
      <LI>Delete partition or Logical Drive
      <LI>Display partition information
    I select 4 and it displays:
    <pre>Partition Status Type Volume Label Mbytes System Usage
    C:1 A PRI DOS 299 FAT16 10%
    2 EXT DOS 2737 89%
    </pre>

    I select 3
    Which then displays:
    1. <LI> Delete Primary Dos Partition
      <LI> Delete Extended DOS Partition
      <LI> Delete Logical Dos Drive(s) in the Extended DOS Partition
      <LI> Delete Non-DOS Partition
    If I select 1 - it says "Cannot Delete Primary DOS Partition on drive 1 when an Extended DOS Partition exists"
    If I select 2 - it says "Cannot delete Extended DOS Partition while logical drive exist"
    If I select 3 - it says "No logical drives defined All logical drives deleted in the Extended DOS Partition"
    If I select 4 - it says "No Non-DOS Partition to delete"

    With only 299 MB - I cannot really get much of anything to load, let alone re-partition the drive... <img src=/S/help.gif border=0 alt=help width=23 height=15>
    Ed
    "Somebody left the cork out of my lunch." - W. C. Fields

  2. #2
    Uranium Lounger
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    Re: How to remove EXT DOS partition?

    Try assigning a drive letter and formatting the extended DOS partition. Then attempt to delete it.

    If that fails, I'd go for the jugular (so to speak) and get a low-level format utility from the drive manufacturer (popular ones of course include Maxtor and Western Digital). If you do this, make sure you get the correct utility; different models may have different utilities and this is not something that you want to take chances with.
    -Mark

  3. #3
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    Re: How to remove EXT DOS partition?

    Any possibility that your system had Linux installed? I had a very similar problem when I went to remove Linux from my PC. FDISK may recognise that there is a partition in the extended drive without being able to either see or delete it <img src=/S/brickwall.gif border=0 alt=brickwall width=25 height=15>. If you think there may have been Linux, possibly as dual boot with NT, you will need either a LInux setup disc or a disc management utility, such as Partition Magic, to delete the Linux ext2 partition.
    We never really grow up, we only learn how to act in public.

  4. #4
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    Re: How to remove EXT DOS partition?

    It is possible that in a prior life it had a dual boot - I really do not know it's history - I only know that FDISK sees the EXT DOS partition but cannot delete it. <img src=/S/shrug.gif border=0 alt=shrug width=39 height=15> I would love to be able to load Partition Magic, but do not have enough space - requres 57M, only have 18M avail <img src=/S/smash.gif border=0 alt=smash width=30 height=26>, perhaps I'll format the 299M piece and see if I can load a version of Win9x that won't suck up all of the space I have, then see if I have enough room for Partition Magic. If that does not work I will give the low-level format a go. If that won't work and push comes to shove - I'll just replace the HD - they're not that expensive but I would like to save my <img src=/S/money.gif border=0 alt=money width=17 height=15> for other goodies!
    Ed
    "Somebody left the cork out of my lunch." - W. C. Fields

  5. #5
    ileacy
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    Re: How to remove EXT DOS partition?

    You can create a floppy disk rescue set directly from the Partition Magic 6 installation CD without installing the full package. The first floppy is bootable and and loads a DOS based version of Partition Magic.

    This gives you access to the critical PM functions. See pages 7-8 of the manual.

  6. #6
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    Re: How to remove EXT DOS partition?

    It's a pretty small drive, anyway. I'd consider having a second drive, especially if there's any chance of wanting to put music on it.
    We never really grow up, we only learn how to act in public.

  7. #7
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    Re: How to remove EXT DOS partition?

    <img src=/S/doh.gif border=0 alt=doh width=15 height=15> I know <img src=/S/rtfm.gif border=0 alt=rtfm width=24 height=23> - just went brain-dead trying to get this doorstop running - I really don't need it that much - just trying to get another platform for testing various configurations of hardware/software. Thanks for waking me up...
    Ed
    "Somebody left the cork out of my lunch." - W. C. Fields

  8. #8
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    Re: How to remove EXT DOS partition?

    <img src=/S/yep.gif border=0 alt=yep width=15 height=15> pretty small - don't really need too much - most of the stuff that I'm evaluating is under 500M - and according to da boss - NO MUSIC! <img src=/w3timages/censored.gif alt=censored border=0> <img src=/w3timages/censored.gif alt=censored border=0>!
    Ed
    "Somebody left the cork out of my lunch." - W. C. Fields

  9. #9
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    Re: How to remove EXT DOS partition?

    Spoilsport <img src=/S/bummer.gif border=0 alt=bummer width=15 height=15>.
    We never really grow up, we only learn how to act in public.

  10. #10
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    Re: How to remove EXT DOS partition?

    Don't know why I didn't think of it straight away (probably because I have no experience of NT), but the extended partition will have been defined into logical drives with NTFS, which DOS can't see. If you don't have PartitionMagic, Ranish Partition Manager is <img src=/S/free.gif border=0 alt=free width=30 height=15> to download from www.users.intercom.com/~ranish/part/ . Will deal with NTFS, but no good for ext2.
    We never really grow up, we only learn how to act in public.

  11. #11
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    Re: How to remove EXT DOS partition?

    Thanks - I'll give it a try later tonight - been rather hectic around here for the last couple of days - what with no aircraft traffic to get our people from where they are to where they're needed! Looks like that is clearing up now - but very slowly. Time for the world to reflect on what happened, and find a way to prevent it from happening in the future - one country cannot do the job - but the world can!
    Ed
    "Somebody left the cork out of my lunch." - W. C. Fields

  12. #12
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    Re: How to remove EXT DOS partition?

    Hope things get back to some semblance of normality soon. As to what happens to safeguard the future...I just hope that this doesn't lead to some kind of anti-Islam/Arab backlash. There is too much of that sort of prejudice in that respect already. The culprits and those that harbour them must be punished, but let's be sure that we get the right people ('we' hopefully being a coalition of all peoples of all nationalities and faiths). Having lived all over the world, including the Middle East, we are all one race with more in common than we have differences. Unfortunately, one thing we have in common is that minority of crazy fanatics in our midst.
    We never really grow up, we only learn how to act in public.

  13. #13
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    Re: How to remove EXT DOS partition?

    <hr>Unfortunately, one thing we have in common is that minority of crazy fanatics in our midst.<hr>
    Sad but true!
    On a more pleasant side - thanks for pointing me to Ranish Partition Manager - that did the trick and got rid of the pesky EXT DOS partition (it WAS NTFS - now FAT32!) <img src=/S/joy.gif border=0 alt=joy width=23 height=23>
    Ed
    "Somebody left the cork out of my lunch." - W. C. Fields

  14. #14
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    Re: How to remove EXT DOS partition?

    Nice to have a bit of good news this week! <img src=/S/smile.gif border=0 alt=smile width=15 height=15>
    We never really grow up, we only learn how to act in public.

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