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Thread: secure boot eufi windows 10 and leap 15, building new pc

  1. #21

    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Found something:

    How to change windows 10 from mbr to uefi without reinstalling windows.

    Might give it a try.

    https://www.maketecheasier.com/conve...efi-windows10/

  2. #22
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    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Quote Originally Posted by Gps2010 View Post
    Found something:

    How to change windows 10 from mbr to uefi without reinstalling windows.

    Might give it a try.

    https://www.maketecheasier.com/conve...efi-windows10/
    Hi
    What about the checks I asked for first to confirm....?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  3. #23

    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Don't worry, not doing anything until we agree I should.

    Code:
    guus@linux-yabx:~> sudo fdisk -l /dev/sda
    Schijf /dev/sda: 931,5 GiB, 1000204886016 bytes, 1953525168 sectoren
    Disk model: WDC WD10EZEX-08W
    Eenheid: sectoren van 1 * 512 = 512 bytes
    Sectorgrootte (logisch/fysiek): 512 bytes / 4096 bytes
    In-/uitvoergrootte (minimaal/optimaal): 4096 bytes / 4096 bytes
    Schijflabeltype: dos
    Schijf-ID: 0xb17e0016
    
    Apparaat   Op.   Begin      Einde   Sectoren Grootte ID Type
    /dev/sda1  *      2048    1187839    1185792    579M  7 HPFS/NTFS/exFAT
    /dev/sda2      1187840 1953521663 1952333824    931G  7 HPFS/NTFS/exFAT
    Code:
    guus@linux-yabx:/boot> cd efi
    guus@linux-yabx:/boot/efi> ls
    EFI
    guus@linux-yabx:/boot/efi> cd EFI
    guus@linux-yabx:/boot/efi/EFI> ls
    boot  opensuse

  4. #24
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    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Quote Originally Posted by Gps2010 View Post
    Don't worry, not doing anything until we agree I should.

    Code:
    guus@linux-yabx:~> sudo fdisk -l /dev/sda
    Schijf /dev/sda: 931,5 GiB, 1000204886016 bytes, 1953525168 sectoren
    Disk model: WDC WD10EZEX-08W
    Eenheid: sectoren van 1 * 512 = 512 bytes
    Sectorgrootte (logisch/fysiek): 512 bytes / 4096 bytes
    In-/uitvoergrootte (minimaal/optimaal): 4096 bytes / 4096 bytes
    Schijflabeltype: dos
    Schijf-ID: 0xb17e0016
    
    Apparaat   Op.   Begin      Einde   Sectoren Grootte ID Type
    /dev/sda1  *      2048    1187839    1185792    579M  7 HPFS/NTFS/exFAT
    /dev/sda2      1187840 1953521663 1952333824    931G  7 HPFS/NTFS/exFAT
    Code:
    guus@linux-yabx:/boot> cd efi
    guus@linux-yabx:/boot/efi> ls
    EFI
    guus@linux-yabx:/boot/efi> cd EFI
    guus@linux-yabx:/boot/efi/EFI> ls
    boot  opensuse
    Hi
    This confirms it;

    Code:
    Schijflabeltype: dos
    And no ms directories in /boot/efi/EFI....

    So, anything important on the WinX side? If not I would suggest a fresh install along with preconfiguring the winX (sda) drive to ensure everything is wiped etc.

    You could then copy of the openSUSE efi files to sda1 (the to be created efi partition) and manually recreate the nvram entries to boot openSUSE?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  5. #25

    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Thank you.

    Nothing on the windows disk too lose, its a fresh install with some windows updates.

    Might try the link I posted ( how to switch from mbr to UEFI on Win 10 )

    Or just use leap 15 to delete all partitions on sda, then go into bios, to make sure its set to uefi (without legacy support) , and then reinstall windows.

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    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Quote Originally Posted by Gps2010 View Post
    Thank you.

    Nothing on the windows disk too lose, its a fresh install with some windows updates.

    Might try the link I posted ( how to switch from mbr to UEFI on Win 10 )

    Or just use leap 15 to delete all partitions on sda, then go into bios, to make sure its set to uefi (without legacy support) , and then reinstall windows.
    Hi
    Sounds like a plan, however it may leave mbr bits in the disk your system may not like. When converting from dos to gpt I preconfigure and make sure mbr is wiped with gdisk.
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  7. #27

    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    How to pre configure ?

    Just format the disk with gdisk ?


    Think I will disconnect the Linux disk for now, or google some more on how to make sure the convert will pick the right disk.
    Not want to make a bigger mess.

  8. #28
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    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Quote Originally Posted by Gps2010 View Post
    How to pre configure ?

    Just format the disk with gdisk ?


    Think I will disconnect the Linux disk for now, or google some more on how to make sure the convert will pick the right disk.
    Not want to make a bigger mess.
    Hi
    So, as you indicate, disconnect the openSUSE/Linux drive first. But with imagewriter create a live rescue system first to boot from (should be uefi )....

    I would then switch to root user and then run the following to ensure your on sda...

    Code:
    su -
    lsblk
    wipefs -a /dev/sda2
    wipefs -a /dev/sda1
    wipefs -a /dev/sda
    
    gdisk /dev/sda
    w
    gdisk /dev/sda
    x
    z
    y
    y (to wipe mbr)
    w
    
    gdisk /dev/sda
    n
    1
    <enter>
    +260M
    <enter>
    ef00
    <enter>
    n
    2
    <enter>
    +16M
    <enter>
    0c01
    <enter>
    n
    3
    <enter>
    size or press <enter to use rest of device>
    0700
    <enter>
    w
    mkfs.vfat /dev/sda1
    That should give you;

    Code:
    sda1 type ef00 size 260M <efi boot partition>
    sda2 type 0c01 size 16M <windows reserved>
    sda3 type 0700 size ? <for winX>
    Boot in efi mode with windows install usb, at install select custom and it should automatically select sda3 for installing winX, let it do it's thing.....

    Once that's done can sort the openSUSE/linux side out from the live rescue system again....
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  9. #29

    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    Thank you.

    Did some google search and found an Arch wiki:

    https://wiki.archlinux.org/index.php/GPT_fdisk

    Starting to understand the gdisk options now.

    The only part that make me wonder, why can.'t I just use the partion manager from yast (leap 15.1) on the second disk ? instead of creating a live image ?
    leap is uefi. ( the part of the installation that went right lol )

    Then I also will know for sure, what disk I am I am changing ?


    Or try the microsoft tool, both these options seem less work?. Most funny part for me, the windows way uses the command line too.
    I always hear people complain about linux, that you need to type commands lol

  10. #30
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    Default Re: secure boot eufi windows 10 and leap 15, building new pc

    You can predefine partitions with any partition manager, many do. But if you go to expert mode in the installer to set things as you want then you can do any setup from there Just be certain to pay attention to the summery partition scheme screen to be certain things are arranged as you want in any case.

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