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Thread: Add new entry on grub2 uefi and rebuib grub2

  1. #1

    Default Add new entry on grub2 uefi and rebuib grub2

    Hi i have installed windows and then opensuse tumbleweed after that i installed phoenix os and now i only can acess opensuse by cliking F12 and choosing safe mode my 2 questions that i need help.
    1 . how can i restore all entry on grub2 ? phoenix os as changed the grub 2 it only windows and phoenix os entrys.
    2- How can can edit grub.cfg and add a new entry for booting phoenix os ? thanks for all help

  2. #2
    Join Date
    Aug 2010
    Chicago suburbs
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    Default Re: Add new entry on grub2 uefi and rebuib grub2

    Not enough information, so I am guessing.

    Presumably, phoenix has added an additional boot entry, and given that top priority. Since F12 works during boot, the entry for opensuse is probably still there.

    Become root in a terminal.

    efibootmgr -v
    That should list the boot entries. Each will have a 4-digit number (hex number).

    Now you can change the boot order with something like:
    efibootmgr -o 0002,0001,0003
    That makes 0002 the preferred boot. You will have to find what number match your systems. If there is an "opensuse-secureboot", make that the first. I would probably put Windows second and phoenix third, though the relative order between second and third isn't going to be very important.

    If there isn't an "opensuse-secureboot" then there should be an "opensuse", so make that the first.
    openSUSE Leap 15.3; KDE Plasma 5.18.6;

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