Windows 10: My Secure Boot is Unsupported even when Legacy Boot is disable and the boot is UEFI

Discus and support My Secure Boot is Unsupported even when Legacy Boot is disable and the boot is UEFI in Windows 10 Drivers and Hardware to solve the problem; Hi, im having a proplem about Secure Boot, six days ago the secure boot state said it is ON, then, today when i'm trying to install windows 11 Only for... Discussion in 'Windows 10 Drivers and Hardware' started by CreeperVN, Jun 16, 2021.

  1. CreeperVN Win User

    My Secure Boot is Unsupported even when Legacy Boot is disable and the boot is UEFI


    Hi, im having a proplem about Secure Boot, six days ago the secure boot state said it is ON, then, today when i'm trying to install windows 11 Only for insider this happen.yes, my BIOS Mode is UEFI not legacy, legacy boot not turn on.And if you have a link to upgrade my BIOS, comment down thereThanks!-CreeperVN2484

    :)
     
    CreeperVN, Jun 16, 2021
    #1

  2. Windows 8 Secure Boot Feature: Not So Secure?

    So Linux is switching to secure boot also? Or they have to because of UEFI?
     
    Damn_Smooth, Jun 16, 2021
    #2
  3. newtekie1 Win User
    Windows 8 Secure Boot Feature: Not So Secure?

    • Linux
    • Linux
    • Linux
    • Linux
    • Oh and OSX
    Here is a statement from a Kernal Developer at Red Hat:

    I'm not sure this exploits the legacy BIOS but rather it exploits the legacy boot method on MBR drives, injecting a signed key before the OS boots, which you are correct in that it has nothing to do with Windows 8. And the simplest fix would just be to require boot drives use GPT when Secure Boot is enabled in UEFI.
     
    newtekie1, Jun 16, 2021
    #3
  4. Solaris17 Win User

    My Secure Boot is Unsupported even when Legacy Boot is disable and the boot is UEFI

    ATIFlash won't boot before Windows 8.1 64bit (boot sequence skips the DOS files in the USB Drive)

    UEFI

    UEFI USB BOOT

    Disable secure boot disable UEFI boot enable legacy mode change boot order.
     
    Solaris17, Jun 16, 2021
    #4
Thema:

My Secure Boot is Unsupported even when Legacy Boot is disable and the boot is UEFI

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