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Thread: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

  1. #1
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    Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    I just installed Ubuntu 12.10. I shrunk the win 8 partition. Created a 500gb ext4 / partition for ubuntu. I created a 4gb swap partition.

    I can still see the OS partition, I chose something else when I installed.

    I restart the computer and it boots directly into ubuntu. I don't see GRUB to make a choice.

    When I did get to the install part where it asked if I want to install along side and or something else, it mentioned that there was not an OS installed on the computer, when if fact there was.

    Any help....


    D

  2. #2
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    Here is a screen shot of gparted from the live USB....

  3. #3
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    Here is the attachment.
    Attached Images Attached Images

  4. #4
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    You have a UEFI system with a GPT (GUID partition table). One possibility is that you booted the Ubuntu installer in legacy mode and it has installed the wrong version of grub. Have a look here:

    https://help.ubuntu.com/community/UEFI

    Scroll down to:

    https://help.ubuntu.com/community/UE...or_Legacy_mode

    And try boot repair:

    https://help.ubuntu.com/community/Boot-Repair

    That will hopefully fix things, but in any event make sure you take a note of the pastebin URL which Boot Repair will give you. That has details of the boot script output which you can post here if you need any help.

    One thing. Is the Ubuntu you installed 64-bit?

    Please do not PM me about your forum account unless you have been asked to. The correct place to contact an admin about your account is here.

  5. #5
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    Yes I do have the uefi.... I have the 64 bit version....

    I guess I will need to do more reading....

    This shouldn't be this hard..... conical should update their install directions.

    D

  6. #6
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    fstab:
    # /etc/fstab: static file system information.
    #
    # Use 'blkid' to print the universally unique identifier for a
    # device; this may be used with UUID= as a more robust way to name devices
    # that works even if disks are added and removed. See fstab(5).
    #
    # <file system> <mount point> <type> <options> <dump> <pass>
    # / was on /dev/sda7 during installation
    UUID=3f5eb512-2a58-4c1e-bea4-d327043b56b3 / ext4 errors=remount-ro 0 1
    # /boot/efi was on /dev/sda1 during installation
    UUID=DC36-4675 /boot/efi vfat defaults 0 1
    # swap was on /dev/sda8 during installation
    UUID=28d1bb45-842b-4115-8860-8958a0f1e9c2 none swap sw 0 0


    Also....

    dennis@dennis-XPS-8500:~$ dmesg | grep 'EFI: mem' >/dev/null && echo "Installed in EFI mode" || echo "Installed in Legacy mode"
    Installed in Legacy mode
    dennis@dennis-XPS-8500:~$

    Thanks

    D

  7. #7
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    This is the terminal output while I did the instructions. The message after the boot-repair.

    However, after all this I got this error...

    SECURE BOOT VIOLATION
    Invalid signature detected. Check secure boot policy in set-up.

    I now can only boot into Windows 8, no GRUB or dual boot options...


    Boot successfully repaired.

    Please write on a paper the following URL:
    http://paste.ubuntu.com/1374104/

    In case you still experience boot problem, indicate this URL to:
    boot.repair@gmail.com or to your favorite support forum.

    You can now reboot your computer.
    Please do not forget to make your BIOS boot on sda1/EFI/ubuntu/grubx64.efi file!

    The boot files of [Ubuntu 12.10] are far from the start of the disk. Your BIOS may not detect them. You may want to retry after creating a /boot partition (EXT4, >200MB, start of the disk). This can be performed via tools such as gParted. Then select this partition via the [Separate /boot partition:] option of [Boot Repair]. (https://help.ubuntu.com/community/BootPartition)


    Entire terminal output for boot-repair....





    ubuntu@ubuntu:~$ sudo chroot "/mnt/boot-sav/sda7" dpkg --configure -a
    ubuntu@ubuntu:~$ sudo chroot "/mnt/boot-sav/sda7" apt-get install -fy
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following packages were automatically installed and are no longer required:
    linux-headers-3.5.0-17 linux-headers-3.5.0-17-generic
    Use 'apt-get autoremove' to remove them.
    0 upgraded, 0 newly installed, 0 to remove and 119 not upgraded.
    ubuntu@ubuntu:~$ sudo chroot "/mnt/boot-sav/sda7" apt-get purge -y --force-yes grub*-commonReading package lists... Done
    Building dependency tree
    Reading state information... Done
    Note, selecting 'grub-common' for regex 'grub*-common'
    The following packages were automatically installed and are no longer required:
    linux-headers-3.5.0-17 linux-headers-3.5.0-17-generic
    Use 'apt-get autoremove' to remove them.
    The following packages will be REMOVED:
    grub-common* grub-efi-amd64* grub-efi-amd64-bin* grub-efi-amd64-signed* grub2-common*
    0 upgraded, 0 newly installed, 5 to remove and 119 not upgraded.
    After this operation, 10.4 MB disk space will be freed.
    (Reading database ... 178393 files and directories currently installed.)
    Removing grub-efi-amd64-signed ...
    Removing grub-efi-amd64 ...
    Purging configuration files for grub-efi-amd64 ...
    Removing grub2-common ...
    Removing grub-efi-amd64-bin ...
    Removing grub-common ...
    Purging configuration files for grub-common ...
    Processing triggers for install-info ...
    Processing triggers for man-db ...
    Processing triggers for ureadahead ...
    ureadahead will be reprofiled on next reboot


    ubuntu@ubuntu:~$ sudo chroot "/mnt/boot-sav/sda7" apt-get install -y --force-yes grub-efi

    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following packages were automatically installed and are no longer required:
    linux-headers-3.5.0-17 linux-headers-3.5.0-17-generic
    Use 'apt-get autoremove' to remove them.

    The following extra packages will be installed:
    grub-common grub-efi-amd64 grub-efi-amd64-bin grub2-common
    Suggested packages:
    multiboot-doc grub-emu xorriso desktop-base
    The following NEW packages will be installed:
    grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub2-common

    0 upgraded, 5 newly installed, 0 to remove and 119 not upgraded.

    Need to get 1,987 kB/1,988 kB of archives.
    After this operation, 8,583 kB of additional disk space will be used.
    Get:1 http://us.archive.ubuntu.com/ubuntu/ quantal/main grub-common amd64 2.00-7ubuntu11 [1,280 kB]
    Get:2 http://us.archive.ubuntu.com/ubuntu/ quantal/main grub2-common amd64 2.00-7ubuntu11 [116 kB]
    Get:3 http://us.archive.ubuntu.com/ubuntu/ quantal/main grub-efi-amd64-bin amd64 2.00-7ubuntu11 [547 kB]
    Get:4 http://us.archive.ubuntu.com/ubuntu/ quantal/main grub-efi-amd64 amd64 2.00-7ubuntu11 [44.0 kB]
    Fetched 1,987 kB in 3s (592 kB/s)
    Preconfiguring packages ...
    Selecting previously unselected package grub-common.
    (Reading database ... 178075 files and directories currently installed.)
    Unpacking grub-common (from .../grub-common_2.00-7ubuntu11_amd64.deb) ...
    Selecting previously unselected package grub2-common.
    Unpacking grub2-common (from .../grub2-common_2.00-7ubuntu11_amd64.deb) ...
    Selecting previously unselected package grub-efi-amd64-bin.
    Unpacking grub-efi-amd64-bin (from .../grub-efi-amd64-bin_2.00-7ubuntu11_amd64.deb) ...
    Selecting previously unselected package grub-efi-amd64.
    Unpacking grub-efi-amd64 (from .../grub-efi-amd64_2.00-7ubuntu11_amd64.deb) ...
    Selecting previously unselected package grub-efi.
    Unpacking grub-efi (from .../grub-efi_2.00-7ubuntu11_amd64.deb) ...

    Processing triggers for man-db ...
    Processing triggers for ureadahead ...
    Processing triggers for install-info ...

    Setting up grub-common (2.00-7ubuntu11) ...

    Processing triggers for ureadahead ...

    Setting up grub2-common (2.00-7ubuntu11) ...
    Setting up grub-efi-amd64-bin (2.00-7ubuntu11) ...
    Setting up grub-efi-amd64 (2.00-7ubuntu11) ...

    Creating config file /etc/default/grub with new version
    BootCurrent: 0003
    Timeout: 2 seconds
    BootOrder: 0003
    Boot0003* UEFI: USB Flash MemoryPMAP
    BootCurrent: 0003
    Timeout: 2 seconds
    BootOrder: 0000,0003
    Boot0003* UEFI: USB Flash MemoryPMAP
    Boot0000* ubuntu
    Installation finished. No error reported.
    Setting up grub-efi (2.00-7ubuntu11) ...
    ubuntu@ubuntu:~$

  8. #8
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    Quote Originally Posted by claven123 View Post
    SECURE BOOT VIOLATION
    Invalid signature detected. Check secure boot policy in set-up.
    I have no experience of secure boot but I understood that Ubuntu 12.10, the version you have installed, included a signed version of the grub bootloader, so in theory you shouldn't be seeing this. You should be able to disable secure boot in the BIOS but someone with secure boot experience might have other ideas.

    Please do not PM me about your forum account unless you have been asked to. The correct place to contact an admin about your account is here.

  9. #9
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    Of course I only got that error the first time, now I just boot to windows, no errors. Just no GRUB.

    Do I turn off Secure Boot in the BIOS, I can do that.


    D

  10. #10
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    Re: Dual boot Win 8, Ubuntu 12.10 Won't boot to windows

    Hello

    Quote Originally Posted by claven123 View Post
    Please write on a paper the following URL:
    http://paste.ubuntu.com/1374104/
    Your Ubuntu/GRUB is now correctly setup in UEFI mode, and proposes a signed GRUB file (shimx64.efi).
    Please disable "Secure boot" (show us pictures of your BIOS if you are not sure), and tell us what you observe.

    EDIT: I added a paragraph about Secure Boot in the wiki: https://help.ubuntu.com/community/UE...ng_Secure_Boot
    Last edited by YannBuntu; November 21st, 2012 at 04:19 PM.

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