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Thread: Trouble Dual Booting

  1. #1
    Join Date
    Oct 2013
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    Trouble Dual Booting

    So I've partitioned my Windows 8 drive and allocated 200GB for Ubuntu (13.10) and 10GB for swap. Everything seems to have installed correctly from my USB drive. When Ubuntu tells me to reboot before I can start using it, I do so but am not presented with the option of selecting which OS to boot into. I have tried checking my BIOS to see if it might be there but to no avail. I have tried Boot-repair (which gave me the link: paste.ubuntu.com/6321477) which did not work either.

    By the way, I have a 64-bit machine.

    Any ideas?

  2. #2
    Join Date
    Feb 2008
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    Re: Trouble Dual Booting

    Welcome. So you installed the 64bit version?

    Your pastebin link worked fine, BTW. I'm looking at your setup right now.

    Put this:

    http://paste.ubuntu.com/6321477/

    ... in the address bar of a browser. You don't have grub in sda, you have it in sdb and that is probably the issue. You also have EFI setup which I know nothing about but do know that it needs specific tweaking. You might want to do some research there.
    Last edited by Bucky Ball; October 29th, 2013 at 03:59 AM.

  3. #3
    Join Date
    Oct 2013
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    Re: Trouble Dual Booting

    I reinstalled Ubuntu, and this time I paid particular attention to where I installed the bootloader (I installed it in the /sda6, where my Ubuntu partition is); Grub still did not load upon boot, so I boot-repaired again and still no change. (By the way, I knew my paste-bin link worked. I was referring to the boot-repair that didn't work in my prev post)

    I'm honestly at a dead end. I've tried holding either shift or esc while at the BIOS screen.

    No forum seems to have a solution to this.

  4. #4
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    Re: Trouble Dual Booting

    If you're booting into Ubuntu fine (just not getting grub) do this in a terminal:

    Code:
    sudo update-grub
    Try hitting esc/shift (not sure which in your release) on a reboot. If still nothing, try grub on sda1. Do this:

    http://www.howtogeek.com/howto/ubunt...-wipes-it-out/
    Last edited by Bucky Ball; October 29th, 2013 at 08:08 AM.

  5. #5
    Join Date
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    Ubuntu Development Release

    Re: Trouble Dual Booting

    I think you are using EasyBCD. Remove it if you want to keep things simple. EasyBCD complicates boot.

    To boot Ubuntu in EFI it needs to be installed in EFI mode, and to install it in EFI mode the Ubuntu DVD/USB MUST be booted In EFI. If you boot Ubuntu install disk in UEFI you will see a black screen with options, otherwise you see regular colors.
    "Evolution is Nature's way of issuing upgrades."


  6. #6
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: Trouble Dual Booting

    Your original install showed Ubuntu as a boot option and you just needed to make it the default.

    BootOrder: 0001,0000
    Boot0000* Windows Boot Manager
    Boot0001* EFI USB Device
    BootCurrent: 0001
    BootOrder: 0002,0001,0000
    Boot0000* Windows Boot Manager
    Boot0001* EFI USB Device
    Boot0002* ubuntu

    Change boot order so 0002 is first. Not sure why script shows several boot orders. One may just be last boot, and another BIOS or secure boot order?
    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.







  7. #7
    Join Date
    Oct 2013
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    Re: Trouble Dual Booting

    @Bucky Ball
    After I've installed Ubuntu and it asks to reboot, I remove the USB I installed from before the BIOS screen and it just boots straight into Windows. I can't boot into Ubuntu at all because grub isn't loading. I tried plugging the USB back in and "Try Without Installing" so I can access terminal. 'sudo update-grub' doesn't solve the problem. Just to clarify: is a LiveCD the USB drive from which I originally installed Ubuntu?

    @fantab
    I am pretty sure I installed and booted Ubuntu in UEFI. If I am somehow using EasyBCD, I didn't do so on my own volition.

    @oldfred
    Where do I go about changing the boot order?

    Thanks for all the responses, by the way!

  8. #8
    Join Date
    Jun 2009
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    Ubuntu 14.04 Trusty Tahr

    Re: Trouble Dual Booting

    From UEFI/BIOS you should have boot devices. Back in BIOS days it was just the hardware, but with UEFI it will include all the boot loaders found in the efi partition.
    If secure boot is on, then UEFI only shows secure boot systems as boot options. But with secure boot off, you may get both UEFI and CSM/BIOS boot options.
    Attached Images Attached Images
    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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