Windows 10: Secureboot unsupported with uefi and gpt

Discus and support Secureboot unsupported with uefi and gpt in Windows 10 Gaming to solve the problem; For some reason Secure boot is unsupported even though i have uefi and gpt I just wanna upgrade to windows 11 man... Discussion in 'Windows 10 Gaming' started by skeppyzack, Oct 22, 2022.

  1. SKEPPYZACK
    skeppyzack Win User

    Secureboot unsupported with uefi and gpt


    For some reason Secure boot is unsupported even though i have uefi and gpt I just wanna upgrade to windows 11 man

    :)
     
    skeppyzack, Oct 22, 2022
    #1
  2. 7MGTE
    7mgte Win User

    Convert Windows 10 MBR to GPT (UEFI)?

    In reviewing my Windows 10 Pro (64-bit) system I noted that the Secure Boot Status is showing as "unsupported". Investigating further, it appears either the GPT partition for booting using UEFI (is Secure Boot) has become corrupt or my installation was
    never installed for Secure Boot. My Windows 10 install is an auto-upgrade from a Windows 8.1 install.

    Is there a way to convert the MBR to GPT without doing a fresh install? I do have a USB recovery drive built at a point I believe I had indications Windows was booting from a GPT (UEFI) partition. In fact, the USB recovery drive shows as being a UEFI drive.

    Any suggestions will be appreciated!

    Thanks!
     
    7mgte, Oct 22, 2022
    #2
  3. DON CUTHBERT
    Don Cuthbert Win User
    Unsupported disk layout for UEFI firmware

    I hear you on configuring your own PC the way you choose to.

    His PC could not boot to a GPT disk if in Legacy BIOS mode. It could not boot to an MBR disk in UEFI mode. The error tells us that his disk is not partitioned for UEFI, so he is in Legacy BIOS mode, on an MBR disk, but has UEFI/GPT capability. On a Legacy
    BIOS-only PC, like my 2007 Dell XPS laptop, it would not give this error.

    You are right that we do not know which version Windows Update is trying to install. He might not be able to upgrade directly from version 1507/build 10240 to version 1709 (or 1803). I could do a test tomorrow to see if the upgrade can be done in one step.
    I think that it might have to be done in two upgrades via Windows Update (because 10240 cannot do a UUP Windows Update) but probably can upgrade in one step via mounted ISO.

    Using a downloaded ISO might also bypass this error, as I think you originally suggested, leaving the disk as MBR.
     
    Don Cuthbert, Oct 22, 2022
    #3
  4. CADZO
    cadzo Win User

    Secureboot unsupported with uefi and gpt

    Help with getting secureboot on windows 11

    I downloaded windows 11 by bypassing it with a usb stick, later i got a new motherboard which has secure boot + tpm 2.0 but i can't seem to get secure boot.
    I enabled uefi secure boot on bios and it still says unsupported in msinfo can somebody help i want to turn on secureboot
     
    cadzo, Oct 22, 2022
    #4
Thema:

Secureboot unsupported with uefi and gpt

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