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Thread: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu16.04

  1. #1
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    "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu16.04

    Recently my internal hard disk got dmaged and i cant use it now, so i was hoping to install ubuntu on my external hdd ,so i created a 40 gb partition on it but when im trying to install ubuntu using live usb on my hdd its showing "The 'grub-efi-amd64-signed' package failed to install" error.
    so i googled and installed boot repair but still the problem persists and i cant install ubuntu.

    its a 1tb hdd , in which i created a 40 gb partion(for ubuntu) and the other partition has data that i want to keep safe.

    im new to ubuntu an dits my first time trying to install ubuntu ,so i need help.

  2. #2
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    UEFI install of Ubuntu/grub requires an ESP - efi system partition on drive seen as sda. So internal drive must have ESP FAT32 with boot flag.
    If you disconnect internal drive and still want to install to external is it gpt partitioned and do you have an ESP on it?
    Or you can install in the 35 year old BIOS/MBR configuration. With Ubuntu you can use newer gpt partitioning and older BIOS if you also include a bios_grub partition.

    Only attempt any install using Something Else. Some options just erase entire hard drive. In Linux entire drive is entire physical drive including all partitions. Not Windows mixed definition where it calls partitions "drives".

    Post this:
    sudo parted -l
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  3. #3
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    actually im new to ubuntu and couldnt understand what you meant and about the internal drive its not accessible to me and i cant perform anything on it, its as good as dead.So if you can pls tell me step by step what i would have to do to install.

  4. #4
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    Post this first from Ubuntu live installer:
    sudo parted -l

    Just copy & paste terminal output. If long, include code tags which are the # icon in Forum's advanced editor.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  5. #5
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    If your disk was previously used only for data, it may not have the required EFI system partition.
    If you would post the output of:
    Code:
    sudo parted -l
    it would clarify the partitioning you have, and provide information to support any suggestions. Running this from the live media terminal should work.

  6. #6
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    Model: Seagate BUP Slim BK (scsi)
    Disk /dev/sda: 1000GB
    Sector size (logical/physical): 512B/4096B
    Partition Table: msdos
    Disk Flags:

    Number Start End Size Type File system Flags
    1 1049kB 958GB 958GB primary ntfs
    2 958GB 1000GB 41.7GB primary ext4
    3 1000GB 1000GB 228MB primary fat16 lba

    is this what you asked for?

  7. #7
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    Is that your external drive?
    Do you have lots of data in the NTFS partition?

    You probably can just install in BIOS/MBR configuration.
    How you boot install media is then how it installs. So be sure to boot Ubuntu live installer in BIOS mode.
    Your UEFI should show flash drive twice, once UEFI:flash and just flash where flash is name or label on the flash drive.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  8. #8
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    This disk has msdos parftitioning, and not usable for UEFI. So you need to boot the installer in BIOS mode, not UEFI mode. Identify the mode you are using by comparing first installer screens shown here:

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

    When running the installer, use the "something else' option on the "Installation Type" screen, and continue to the next screen which displays your partitions. You would select sda2 for your installation.

    After selecting, click the "change" button under the partition display, and fill in the details. grub should be installed to sda. You should then be able to complete the installation.

  9. #9
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    yes thats my external drive and i want to keep the data in ntfs partition.
    how to install in bios/mbr config?

  10. #10
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    Re: "The 'grub-efi-amd64-signed' package failed to install"- while installing ubuntu1

    Quote Originally Posted by lelouch0296 View Post
    how to install in bios/mbr config?
    Since this is your first install, you probably need extra help beyond posts 7 and 8 above. Here is a good guide where a particular partition is selected for install, as you would be doing to install to sda2.

    http://www.dedoimedo.com/computers/u...all-guide.html

    Again, be sure you boot installer in BIOS mode.

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