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Thread: Ubuntu 12.10 Desktop and Windows 8 Dual Boot issues

  1. #1
    Join Date
    Mar 2013
    Beans
    1

    Ubuntu 12.10 Desktop and Windows 8 Dual Boot issues

    Hello, recently I installed Ubuntu 12.10 desktop to my laptop,(which came pre-installed with windows 8). When I installed ubuntu I chose the option for it to boot alongside windows 8, ever since however, I get an error when chooing to boot windows 8(or its recovery option) where it simply says

    • error: can't find command drivemap.
    • error: invalid EFI file path . Any Ideas/help for me?
    Last edited by TrevyBell; March 18th, 2013 at 06:10 PM. Reason: Incomplete post.

  2. #2
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu 12.10 Desktop and Windows 8 Dual Boot issues

    Did you install in UEFI mode?

    Even if in UEFI mode grub2's os-prober only creates BIOS mode chain entries which do not work with UEFI.

    grub2's os-prober creates wrong style (BIOS) chain boot entry
    https://bugs.launchpad.net/ubuntu/+s...2/+bug/1024383
    type of entry from Boot-Repair that should work.
    'Windows UEFI loader'
    Type of entry that does not work:
    'Windows ...) (on /dev/sdXY)'
    Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot.:
    https://help.ubuntu.com/community/Boot-Repair
    For info on UEFI boot install & repair - Updated Mar 2015:
    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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