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Thread: Secure Boot with Gigabyte UEFI DualBIOS

  1. #1
    Join Date
    Apr 2016
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    North America
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    Default Secure Boot with Gigabyte UEFI DualBIOS

    I thought I'd share what it took to get secure boot working with a Gigabyte GA-H81-D3 motherboard and Gigabyte UEFI DualBIOS.

    # Enable Secure Boot in YaST2 -> Bootloader
    # Reboot and hold Delete
    # Switch to the BIOS Features tab (scroll down with the mouse wheel)
    # Set Windows 8 Features to: Windows 8
    # Set CSM support to: Never
    # Set Secure Boot to: Enabled
    # Set Secure Boot Mode to Custom
    # Select: Key Management
    # Select: Install default Secure Boot keys
    # Save and Exit
    # Agree to trust things signed by openSUSE

  2. #2
    Join Date
    Apr 2016
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    North America
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    532

    Default Re: Secure Boot with Gigabyte UEFI DualBIOS

    I just tried switching CSM support to "Always", and my computer rebooted twice and then froze. So I'd say setting it to "Never" is needed. >_<

  3. #3
    Join Date
    Apr 2016
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    532

    Default Re: Secure Boot with Gigabyte UEFI DualBIOS


  4. #4
    Join Date
    Aug 2010
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    Default Re: Secure Boot with Gigabyte UEFI DualBIOS

    Enabling secure-boot ought to imply CSM=never. But who knows -- there are weird UEFI implementations out there.
    openSUSE Leap 15.1; KDE Plasma 5;
    testing Leap 15.2Alpha

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