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Thread: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

  1. #1
    Join Date
    Apr 2006
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    Question Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    Alright so I have been using Ubuntu for a few weeks now and I have decided to remove Windows. The problem is that I have Ubuntu installed in a logical partition and I am not sure if I will have problems when I format the Windows partition.

    Is there any way to format the windows partition without damaging my Ubuntu install? Like will I be able to boot to Ubuntu without reinstalling it?


    Thanks

  2. #2
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    Apr 2006
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    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    need to know this quick

  3. #3
    Join Date
    Jul 2008
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    Athens, Georgia
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    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    Well - if you have it in dual-boot mode, try loading a Live CD of Ubuntu. Go to System->Administration, then select the "Partition Editor" from the list (you only have this program on a Live CD, it does not install on the HD). Use this program to resize the Ubuntu partition to wipe out Windows and take up the entire disk. The Windows partition should be NTFS or FAT32 (to help you recognize it).

    Hope that helps

  4. #4
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    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    You may have to do a "Delete" with the partition editor to remove the Windows filesystem, then resize the Ubuntu section for the entire disk. Just load the GParted Partition Editor and see what it lets you do.

  5. #5
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    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    yeah I know how to format the disks. The problem is that Ubuntu is on a logical partition and the Windows partition is the only primary partition in my system so I want to know if it is ok to format the windows partition without destroying the Grub.

  6. #6
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    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    You safest bet may be to reinstall, then. There may be someone here (with more experience than me) who knows how to do it, but I don't.

  7. #7
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    Apr 2006
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    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    well. wouldn't it be the same if I formatted the windows partition and created a new primary partition and let that one have the boot flag?

    Btw. can I set the boot flag on a logical partition and have it boot normally with grub?

  8. #8
    Join Date
    Sep 2008
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    570

    Re: Uninstalling Windows (problems with partitioning to make Ubuntu as the only OS)

    I would make a Super Grub boot disk or cd just in case. After you delete XP and then
    resize the Ubuntu partition, the only danger is if grub installed in the MBR, disappears.
    In that case you can just reinstall grub to the MBR.
    http://www.howtogeek.com/howto/ubunt...-wipes-it-out/

    sudo grub
    > root (hd0,0)
    > setup (hd0)
    > quit

    Often there is a step grub> find /boot/grub/stage1 which tells you where stage1 resides
    which tells you how to fill in the root step above (the from) but probably isn't necessary.
    You can reinstall grub if needed, from the live CD, opening a terminal, or Super grub.
    The setup step above (the to) reinstalls grub to the MBR just in case grub is missing.

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