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Thread: Windows 8 Ubuntu 13.04 Dual boot

  1. #1
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    Windows 8 Ubuntu 13.04 Dual boot

    Hi, I'm aware that this has been asked several times but I can't seem to find an answer that pertains to my case. I've been trying to install Ubuntu on a separate hard drive to dual boot with Windows 8. Every time I try to install it, the installer doesn't detect my Windows 8 installation. If I go on and install Ubuntu in the separate hard drive, when it reboots, it goes straight to the windows 8 logo, which then proceeds to go on a boot loop and won't boot into windows unless I turn off my PC and disconnect the HDD that has Ubuntu on it. I tried checking to see if I had secure boot on but my motherboard does not have it in the bios. I also disbaled the fast startup from the Windows 8 settings. I really don't want to give up on installing Ubuntu since I've used it in the past and I want to use it with this new hardware that I have. I would install it by itself but unfortunately I need Windows for college purposes. Here's my current setup:



    • Motherboard: Gigabyte Z77X-UD3H
    • 32 GB RAM
    • Intel i5 3570k
    • 128GB SSD (windows 8 disk)
    • 2 TB HDD (for data and personal files)
    • 500 GB HDD (Intended for Ubuntu installation)


    Thank you in advance for your help. If you need any more information just let me know and I'll post it.
    Last edited by virgiliox; July 9th, 2013 at 02:21 AM.

  2. #2
    Join Date
    Jul 2013
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    An island in the Pacific
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    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: Windows 8 Ubuntu 13.04 Dual boot

    Quote Originally Posted by virgiliox View Post
    Every time I try to install it, the installer doesn't detect my Windows 8 installation.
    What do you mean the installer doesn't detect your Windows installation? I take it you mean you don't get a GRUB menu with dual boot showing Windows as an option. If so, open your terminal and type
    Code:
    sudo update-grub
    Given that your Windows loader is intact, this should solve the problem. You may need to play with the drive mapping later on if you have multiple drives though. But let's deal with that if need be.

    Quote Originally Posted by virgiliox View Post
    If I go on and install Ubuntu in the separate hard drive, when it reboots, it goes straight to the windows 8 logo, which then proceeds to go on a boot loop and won't boot into windows unless I turn off my PC and disconnect the HDD that has Ubuntu on it.
    This simply means you're booting from the drive which has the Windows 8 MBR installed on it. Go to your BIOS and set it to boot from the drive with the Linux GRUB MBR, and you're all set.

  3. #3
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    Re: Windows 8 Ubuntu 13.04 Dual boot

    What I meant is that after the Ubuntu installation, after the reboot, not even Windows 8 loads. it just shows the logo for like 1 second and then the computer automatically reboots. And that keeps happening unless I disconnect the drive with Ubuntu. does this have anything to do with where the boot loader is installed during the Ubuntu installation?

  4. #4
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    Re: Windows 8 Ubuntu 13.04 Dual boot

    Sorry, I meant to say my Windows 8. It says that there were no other operating systems found.

  5. #5
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    Re: Windows 8 Ubuntu 13.04 Dual boot

    https://www.dropbox.com/s/9h4dw6a5ng...Partitions.JPG


    That's my current partition layout. Disk 1 is where my personal files are. Disk 2 is the SSD with Windows 8 Installed and Disk 3 is where I intend to install Ubuntu.
    Last edited by virgiliox; July 8th, 2013 at 04:42 AM.

  6. #6
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    Ubuntu 13.04 Raring Ringtail

    Re: Windows 8 Ubuntu 13.04 Dual boot

    You might want to try Ubuntu with a primary partition instead, and what I said about installing the bootloader on the disk instead of the Ubuntu partition still goes. Also make sure to set the Ubuntu disk for boot. Then you'll have GRUB instead of the Windows bootloader, and it'll likely detect Windows 8. You can always run the aforementioned command on the Terminal if it doesn't.

    If the problem still persists after all that, I'm afraid it's a GPT-specific issue and since I'm not familiar with that I won't be able to help you much.

  7. #7
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    Ubuntu Development Release

    Re: Windows 8 Ubuntu 13.04 Dual boot

    Quote Originally Posted by virgiliox View Post
    https://www.dropbox.com/s/9h4dw6a5ng...Partitions.JPG


    That's my current partition layout. Disk 1 is where my personal files are. Disk 2 is the SSD with Windows 8 Installed and Disk 3 is where I intend to install Ubuntu.
    You have change the Partition Table on the disk you want to install Ubuntu to. Have you changed it to GUID Partition Table [GPT]?
    GPT because your Windows 8 is probably booting in UEFI mode. And Ubuntu too needs to be installed in UEFI. Only GPT can let Ubuntu dual boot with Windows in UEFI mode.

    When you are done. Create First Partition on that disk as 300MB partition formated with FAT32. (This is not a Must but it is recommended).

    To install Ubuntu in UEFI you need to boot it in UEFI mode. If you boot in UEFI mode then you will see a Black Screen with options, if not its regular purplish Ubuntu screen.
    "Evolution is Nature's way of issuing upgrades."

  8. #8
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    Re: Windows 8 Ubuntu 13.04 Dual boot

    thanks for the advice. I do know how to boot it in UEFI mode, however, I do not know how to partition the drive with a GPT. Can you please advise me on how to achieve this. thank you.

  9. #9
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    Re: Windows 8 Ubuntu 13.04 Dual boot

    Also, how should I proceed if the Ubuntu installer does not detect Windows 8?

  10. #10
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    Jul 2013
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    Re: Windows 8 Ubuntu 13.04 Dual boot

    I deleted all partitions using linux installation usb without Win partition ofcourse. Ive been using partition guide while installing or help or whatever it calls giving linux rest of the system. Install grub as one of installation steps. I was choosing ex4 with libraries for linux and it works.

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