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Re-installing 24.04.1

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    Re-installing 24.04.1

    After an unsuccessful attempt to upgrade from 24-04 to 24.10 (I lost all my graphic drivers) I decided to go back to 24.04.1. I installed using a USB and then sent my@ and @home subvolumes from an external HD, then set them up so that they were now @ and @home on the /mn7 partition. When I rebooted, it couldn't get past grub, saying it couldn't find the device and that the kernel had to be loaded first. So I guess I did something wrong when I manually partitioned. I'm trying again, but don't seem to making any headway. When I choose manual partitioning, I get two partitions:sda2, a FAT-32 boot partition of 103 megas, flagged as boot with a moubnt point at /efi/boot. The other, which contains the previous 24-04-1 I had installed earlier today, is marked as btrfs, mount point / with a flag at /boot/grub. I choose to format both, then go to the next step, and am told I need an EFI file system. Can anyone tell me what I'm doing wrong so I can get my computer working again?

    #2
    I know nothing about btrfs. Better wait for "them"!
    But you said,
    "sda2, a FAT-32 boot partition of 103 megas, flagged as boot with a moubnt point at /efi/boot."
    Isn't that your ESP? And isn't it asking you for an ESP?
    An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski

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      #3
      It was my boot partition in my previous setup. I didn't change it when I tried to re-install 24.04.1 and maybe that's the reason it didn't work out right. I've done more than one clean install before, but not recently, and from the error message I get after setting up the partitions I think the problem is in the boot partition, but I don't know what it is. The btrfs part is pretty straightforward. In any case, I've got two partitions which look right to me, but not to the installer, and I'm stuck.

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        #4
        (Just guessing now ...) It sounds like you need to tell the installer to re-use your existing ESP.
        I think the choice for ESP, in the installer screen, is at the top of the screen for 24.04.1.
        And there is a choice to Format it, too (as opposed to "Keep").
        If so, you could get the installer to use that FAT32 partition as your ESP, 103MiB?, mounted at /boot/efi (very important) and set the "boot" flag on it.
        If so ... the installer may tell you it prefers 300 MiB, but you can ignore that pop-up window and just click past it, "Next ->"

        It just sounds like the installer didn't set up an ESP for your GRUB files.
        An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski

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          #5
          You can also use Boot Repair: https://help.ubuntu.com/community/Boot-Repair.
          An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski

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            #6
            I tried boot repair, and it gave me errors. Nonetheless, something went right, and I was able to install 24.04.1 successfully. I shall consult the btrfs experts as to how I I can use my backups to restore my original system, which was working flawlessly. I don't know why I decided to go to Plasma 6, when my Nvidia driver is not really compatible. Anyway, thanks for the advice and the interest shown in helping me solve this problem.

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              #7
              It's normal for Boot Repair to have weird discussions with you! Even about errors it's perceiving! ha-ha
              I'm glad you did get some experience with Boot Repair and some forward movement.
              And you are correct: you need a btrfs user in here, and we have quite a few as you know.
              An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski

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