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Thread: Boot problem after creating 3rd partition

  1. #1
    Join Date
    May 2013
    Beans
    1

    Boot problem after creating 3rd partition

    Hi everyone,

    Hope you are all fine.

    Today I got round to creating another partition on my laptop to install Windows Server 2012 as I need to practice for Microsoft exam and something weird happened. I have one disc with one partition with Windows 7, another partition with Ubuntu and another windows data partition and what happened was that after creating 3rd partition the laptop threw and error "error: unknown file system". Wow! For me, it looks like it messed up with Ubuntu bootloader because when you dual boot with Ubutnu next to Windows it installs Ubuntu's bootloader and it looks like it's gone now. I had to restore Windows bootloader and MBR and fixed the problem temporarily, however I am looking for a solution how to restore Ubuntu as I still want it. Ubuntu was definitely not deleted from disk. Your help will be appreciated.

    Take care!

  2. #2
    Join Date
    Jul 2011
    Beans
    3,037
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Boot problem after creating 3rd partition

    It shouldn't be a big issue to recover grub. There are several tutorials available and here are just two of them:

    https://help.ubuntu.com/community/Boot-Repair
    https://help.ubuntu.com/community/Re...tallingWindows

  3. #3
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Boot problem after creating 3rd partition

    Did you try to create partition with Windows? That often converts to dynamic partitions which is a huge issue. Does not work with Linux nor some Windows repair tools.

    From 2F4U's first link, post the link to a BootInfo report.

    While Vista, it still is the same.
    Pictures here worth 1000+ words
    http://www.multibooters.co.uk/multiboot.html
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.




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