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Thread: Grub doesn't work

  1. #11
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    Re: Grub doesn't work

    Post link to new summary report from 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.

  2. #12
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    Re: Grub doesn't work


  3. #13
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    Re: Grub doesn't work

    Is drive set for AHCI?

    I do not really see anything wrong.

    Did you verify your download of Mint was valid.
    https://help.ubuntu.com/community/HowToMD5SUM
    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.

  4. #14
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    Re: Grub doesn't work

    The drive is set for AHCI.

  5. #15
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    Re: Grub doesn't work

    If Ubuntu works and Mint does not, then I would suspect something wrong with your copy of Mint.
    Try redownloading it, check its md5sum or use zsync to download to existing ISO which will automatically verify it is correct.

    Zsync is in Ubuntu repository:
    zsync is a file transfer program to download files from
    remote web servers. If a previous version of a file is available
    locally, zsync will only download changed parts and hereby
    minimise the download volume.
    example of commands, but do not know Mint local mirror for you, or name of Mint ISO.
    I have all my ISO in an ISO folder in /home
    cd ISO
    zsync http://cdimage.ubuntu.com/daily-live...md64.iso.zsync
    zsync http://mirrors.gigenet.com/ubuntu/16...md64.iso.zsync
    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.

  6. #16
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    Re: Grub doesn't work

    I downloaded a new copy of Mint with md5sum, installed it as before and ended up with the same two errors when I tried to load Mint from grub.

  7. #17
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    Re: Grub doesn't work

    I thought newer systems with AHCI did not have this issue.

    https://ubuntuforums.org/showthread.php?t=2239624

    You may need to add a /boot or make both installs have / (root) partition in first 100GB of drive.
    I typically install in 25GB / (root) partitions, and then have a large ext4 shared data partition mounted at /mnt/data.
    And issue depends on where on drive grub & kernels are installed, which normally is random. So system may work until you get an updated kernel and its further into partition.
    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. #18
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    Re: Grub doesn't work

    I tried something that failed but may give you a clue. On my other computer of the same year as the Dell, I successfully installed Mint a while back. I now downloaded the same version of Mint, Petra, and installed it. In this case, grub gave me a different error message: Kernel panic-not syncing: Unable to mount root fs on unknown block.

  9. #19
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    Re: Grub doesn't work

    It seems like the same kind of issue.
    Are you installing in one very large / (root) partition.
    You want a smaller / partition of 25GB for every install and keep that inside the first 100GB of drive. Then rest of drive can be separate /home partition(s) or large data partition.
    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.

  10. #20
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    Re: Grub doesn't work

    The Ubuntu boot that I am using is grub 2.02. Can I get into any trouble by reinstalling Mint and using its boot loader rather than the Ubuntu loader on sda1?
    Last edited by sheine; January 14th, 2018 at 05:20 AM. Reason: More thinking

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