• Boot Manager won't show

    Yes this is a fat32 formatted partition used to boot on UEFI systems, it should have araound 250MB in size and mostly is at the beginning of th disk.

    It must be mounted only under /boot/efi to make use of it and helping to start grub

  • It’s says it’s already mounted?

  • @galnart
    You seem to have 2 EFI partitions, and only one is needed. They are sda1 and nvme0n1p2. I’m assuming sda1 is the result of Antergos install, and nvme0n1p2 is the result of Windows install. Is that correct?
    If not, don’t do anything mentioned below!!

    Partition sda1 is not needed, but the same contents needs to be put to nvme0n1p2, and sda1 files can be removed.

    So you need to boot with the installer stick and give some commands:

    sudo su
    mount /dev/sda1 /mnt
    rm -rf /mnt/*
    umount /mnt
    mount /dev/sda3 /mnt
    mount /dev/sda2 /mnt/boot
    mkdir -p /mnt/boot/efi  # if that directory does not already exist
    mount /nvme0n1/nvme0n1p2 /mnt/boot/efi
    arch-chroot /mnt
    grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=Antergos-grub
    grub-mkconfig -o /boot/grub/grub.cfg

    If any of the commands give errors, do not continue, but show the errors here.

  • So:
    3 harddrives :

    • sda 477G where Linux is installed
    • sdb 3.7T // ntfs “THE” a data only partition
    • nvme0n1 931.5G where windows is installed


    Do you choose “erase the disk” and let installer choose how to partition?
    For dualboot you have to follow the wiki as you now have two EFI partitions…
    where it gives you instruction to mount the efi-boot partition from windows under /boot/efi … this can not be done with automatic partition.
    So automatic partition will create a EFI partition for you on the drive you will erase to install Antergos…
    It seems to be:

    │ vfat F8B5-C327 100M root disk brw-rw----

    Is a EFI boot partition here…

    Your current situation would work only if you choose to boot from sda to get into Linux and if you want to boot into Window syou need to choose to boot from nvme0n1, but only if it was the case that windows bootloader was and is now installed on nvme0n1 and you was booting windows prior the installation of Linux from that drive…

  • Yeah i did choose erase disk so it was there i did screw up?

  • screwed a bit for sure…

    but it is possible to fix…

    but @manuel give the exact commands to fix already…

    Will need also to change the entry inside /etc/fstab to fit the new efi mountpoint.

  • In /etc/fstab replace/add line about /boot/efi:
    UUID=F8B5-C327 /boot/efi fat32 defaults
    Note: above that ”fat32” may need to be replaced to vfat, can’t check it now., sorry…

grub127 Posts 27Views 1329
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