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Thread: Install Win 8 on existing Kubuntu 11.04 system

  1. #1
    Join Date
    Feb 2008
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    73

    Install Win 8 on existing Kubuntu 11.04 system

    I have a Kubuntu 11.04 system with three disks. The first disk /dev/sda in an SSD, the linux boot disk, and has only linux on it. The the other two disks are HDD's , each with the first partition a linux software RAID partition(s) and the second partition(s) being NTFS partions. Previosly the two ntfs partitions were Windows 7 boot disk C: and a Windows D: disk for file storage. I used Grub2 to dual-boot - Linux default and Windows loader optional to boot Windows.


    Everything worked fine until I tried to install Windows 8. I boot to the Windows 8 CD, I select Custom install, I select the former Windows 7 Disk C: NTFS partition for the install, and I get the error message "We couldn't create a new partition or locate an existing one" and cannot proceed.

    I (fortunately or undortunately) reformatted the Windows 7 Disk C: NTFS partition using the Windows 8 install disk, retried the Windows 8 install, same error message. I went back to linux and checked to make sure the Windows 7 Disk C: NTFS partition was a bootable partition, retried the Windows 8 install, same error message. I then did a bunch of googling and came up with the possibilities that the problem could be with the fact that I have a UEFI BIOS and/or UEFI Secure Boot; and/or that the problem has to do with the fact that Windows 8 wants the MBR on the disk with the Windows 8 disk C: partition.

    It's not obvious to me that the UEFI problem would give the error message above, and I'm hesitant to apply Windows MBR fixes to the disk with the Windows 8 disk C: partition, as I'm concerned it might mess up some MDADM RAID data on that disk, which contains a Linux RAID partition and one mirror for a RAID 1 mirrored pair.

    Would appreciate information and/or links how to solve my problem - Thx, Gus

  2. #2
    Join Date
    Nov 2008
    Location
    Metro Boston
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    8,527
    Distro
    Kubuntu 14.04 Trusty Tahr

    Re: Install Win 8 on existing Kubuntu 11.04 system

    I run Windows in a virtual machine inside Ubuntu with VirtualBox. If you would like to give that a try, follow the instructions for "Debian-based distributions" on this page.
    If you ask for help, please have the courtesy to check for responses and thank the people who helped you.

    Blog · Linode System Administration Guides · Android Apps for Ubuntu Users

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

    Re: Install Win 8 on existing Kubuntu 11.04 system

    I do not know about RAID, much less RAID with UEFI. And Windows does not see Linux RAID, but if you have BIOS RAID it should work.

    But Windows in BIOS mode wants a primary NTFS partition with the boot flag or unallocated space with room for primary partitions. Windows 7 ( and 8) normally install in BIOS with two partitions, one the boot and the other the main install. If BIOS drive has to be MBR(msdos).

    If booting installer in UEFI mode it wants lots of partitions and needs the efi partition to install its boot loader into and gpt partitioning.
    Microsoft suggested partitions including reserved partition for gpt & UEFI:
    http://technet.microsoft.com/en-us/l...8WS.10%29.aspx
    Older Windows info on gpt - 2008 updated 2011
    http://msdn.microsoft.com/en-us/wind.../gg463525.aspx
    Windows technical info on gpt and GUIDs
    http://msdn.microsoft.com/library/wi...sktop/aa365449
    Order on drive is important:
    http://en.wikipedia.org/wiki/Microso...rved_Partition
    Windows 8 info
    http://technet.microsoft.com/en-us/l.../hh824947.aspx
    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.







  4. #4
    Join Date
    Aug 2010
    Location
    Seattle, WA, USA
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    38
    Distro
    Kubuntu Development Release

    Re: Install Win 8 on existing Kubuntu 11.04 system

    Quote Originally Posted by SeijiSensei View Post
    I run Windows in a virtual machine inside Ubuntu with VirtualBox.
    I'll add another vote for running Windows in a VM. It's so much easier to manage this than to manage dual-boot, especially with complicated multi-drive partitioning schemes. My preference is for VMware Player over VirtualBox because of VMware's Unity mode (nothing to do with Ubuntu Unity). This mode places Windows applications directly on the host's desktop and integrates their icons into the task bar.

    Using Kubuntu? Come join us at kubuntuforums.net

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