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Thread: Boot both together

  1. #1
    Join Date
    Mar 2013
    Location
    Cyber world
    Beans
    15
    Distro
    Ubuntu 12.04 Precise Pangolin

    Boot both together

    Hello there,

    I installed ubuntu 13.04 on my PC with efi and booted to grub. Then I noticed that windows could not boot so i changed UEFI firmware settings to boot to Windows and I have to toogle the first bloot device if I have to boot to ubuntu then switch back to windows.tried out EasyBCD and messed up the windows 8 bootloader.it shows all devices like usb cd, network and one option called ubuntu. I clicked it and came up with a boot error.

    Is there a way to unite the bootloaders together?

    Andrew Bastin
    Last edited by Andrew Bastin; June 13th, 2013 at 03:54 PM. Reason: Spellings

  2. #2
    Join Date
    May 2011
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Boot both together

    Do not use EasyBCD as it is not UEFI capable - it cannot create loaders for UEFI/GPT. First of all you should repair Windows booting using Windows installation or recovery media (which should be booted UEFI way). Then use BootRepair to repair Ubuntu booting. Ubuntu/Grub can boot both - Ubuntu and Windows (by chaining).

  3. #3
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Boot both together

    Did you install Ubuntu in BIOS/Legacy/CSM mode not UEFI. Both have to be installed in UEFI mode to easily dual boot. Boot-Repair can fix that by uninstalling grub-pc(BIOS) and installing grub-efi(UEFI).
    Then as darkomano says above you can chain load from grub2 to Windows.
    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
    Mar 2013
    Location
    Cyber world
    Beans
    15
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Boot both together

    I installed both the OS on UEFI mode.
    And I installed Windows 8 Pro but the PC came with Windows 8 SL 64-bit
    And I installed Ubuntu on divided Windows 8 partition.

    Let me try the way darkomano but I kept Windows 8 Pro disk with my other disks.
    And I am lazy to download boot-repair.

    Andrew Bastin

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