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Thread: Failure to Install Ubuntu Alongside Windows 10 (Cannot Install to /target/)

  1. #1
    Join Date
    Aug 2019
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    Failure to Install Ubuntu Alongside Windows 10 (Cannot Install to /target/)

    I posted earlier about issues with ACPI errors, and after fixing them for booting into a USB, I came across this error when installing Ubuntu 18.04 LTS:

    The 'grub-efi-amd64-signed' package failed to install into /target/. Without the grub boot loader, the installed system will not boot.


    Disk Info:
    Intel 660p 512GB: Contains Windows 10 on C:, UEFI Partition, Microsoft Reserved Partition, Empty Partition for Ubuntu, WinRE Tools, Recovery Partition.
    Samsung EVO 860 1TB: Contains game library on D:

    Edit: I get this information from the error log after a failed installation.

    Last edited by shadshd; August 30th, 2019 at 03:57 AM. Reason: More information

  2. #2
    Join Date
    Feb 2008
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    Texas
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    27,595
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    Ubuntu 18.04 Bionic Beaver

    Re: Failure to Install Ubuntu Alongside Windows 10 (Cannot Install to /target/)

    Please use the default font color and properties unless you need to highlight or draw attention to a part of your post.

  3. #3
    Join Date
    Aug 2019
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    4

    Re: Failure to Install Ubuntu Alongside Windows 10 (Cannot Install to /target/)

    Quote Originally Posted by wildmanne39 View Post
    Please use the default font color and properties unless you need to highlight or draw attention to a part of your post.
    Apologies. I was just trying to distinguish between the normal text and the error.

  4. #4
    Join Date
    Jun 2009
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    SW Forida
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    Hidden!
    Distro
    Ubuntu

    Re: Failure to Install Ubuntu Alongside Windows 10 (Cannot Install to /target/)

    /target is normally the ESP on your first drive, normally Windows already has an ESP which is what you want to use. If your Windows is not on first drive, sda or first NVMe drive, and you have another drive as sda without an ESP then you may get this error.

    May be best to see details, use ppa version with your live installer (2nd option) or any working install, not older Boot-Repair ISO:
    Please copy & paste link to the Boot-info summary report ( do not post report), the auto fix sometimes can create more issues.
    https://help.ubuntu.com/community/Boot-Repair &
    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.

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