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Thread: Ubuntu not detecting Windows 8 installation.

  1. #1
    Join Date
    Sep 2011

    Ubuntu not detecting Windows 8 installation.

    I installed Windows 8 and it created a 350MB partition and then the 550GB partition.

    I have about 400GB left for Ubuntu.

    But when i want to install using the wizard, I see a empty partition table.

    I have disconnected all other drives, USB Sticks to make sure it was correct.

    What do I do ?

    If I install UEFI mode I screw up the previous installation every time.

    The only solution seems to be to install Ubuntu on my second hard drive as a work around.

  2. #2
    Join Date
    Jun 2010
    London, England
    Ubuntu Development Release

    Re: Ubuntu not detecting Windows 8 installation.

    You may need to read up on Microsoft Dynamic disks.

    If the installation of Windows created dynamic disk partitions on that hard disk then the Ubuntu partitioner will not see that empty space as Linux cannot read Microsoft dynamic disks. The format is proprietary.

    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530

  3. #3
    Join Date
    Jun 2009
    SW Forida
    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu not detecting Windows 8 installation.

    Post this.

    sudo parted /dev/sda unit s print

    But a couple of users in another thread, both found with a UEFI system, 12.04.2 only offered UEFI install. I think they were going to file a bug report.

    You should get from the UEFI menu, the option to boot installer in UEFI mode or BIOS/legacy/CSM or whatever is not UEFI mode. How you boot it is how it installs.
    For more info on UEFI boot install & repair - Regularly Updated :
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.


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