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Thread: Ubuntu Dual Boot Windows 8 Failure.

  1. #1
    Join Date
    Apr 2013
    Beans
    2

    Unhappy Ubuntu Dual Boot Windows 8 Failure.

    So I decided to try and dual boot Windows 8 and Ubuntu 13.10 apparently and it all went well until on the restart all I could see were orange stripy lines stopping me from using Ubuntu.

    I tried to get back to Windows 8 from boot menu and I a constantly get the error :

    error: no such device: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx,
    grub rescue>

    I can boot into Ubuntu 'try me' mode.

    I used to be able to see Windows 8 on the grub boot menu but my keyboard is paralysed on that screen, and now it just freezes on it with no countdown.

    Note: I am pretty much a noob.

    Any advice would be amazing. Thanks in advance.

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

    Re: Ubuntu Dual Boot Windows 8 Failure.

    Is this Windows 8 that you installed or pre-installed system.
    Or more specifically is Windows 8 UEFI or BIOS?
    Were drives ever RAID, Intel SRT, dynamic, or gpt partitioned and now MBR?

    And did you install Ubuntu in UEFI mode?

    If UEFI:
    But grub2's os-prober only creates BIOS entries that do not work. You can manually add correct entries to 40_custom, examples in bug report or use Boot-Repair which will auto add them to a new 25_custom.

    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)'
    Some info in Post #3 on cleaning up menus, if desired.
    http://ubuntuforums.org/showthread.php?t=2085530
    Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot.:
    https://help.ubuntu.com/community/Boot-Repair

    If not UEFI and above issue, run the Boot-Info report from 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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