Windows 8 and 8.1 Forums


Secure Boot - Enable or Disable in UEFI

  1. #90


    Posts : 22,581
    64-bit Windows 10


    Great news. Thank you for posting back with your findings.

      My System SpecsSystem Spec

  2. #91


    Okay...
    I have successfully reinstalled a fresh, nice and new Win 8.1 on laptop. All looks good. Strong password. I encrypted (using Bitlocker) my USB in which I used to reinstall. Now, I want to use the Bitlocker on my C drive. But it looks as if you have to be the Admin, in which I am (I created two accounts, one local, one Admin, no Microsoft Account). When opening the TPM it said something like the platform could not be loaded, etc. I returned to UEFI (F12) and checked it out. This is what I see, and I'm a little confused at the 'Custom' or 'Standard' settings.

    Under BOOT option:
    >Legacy Boot
    >UEFI Boot:

    Secure Boot <Enabled>
    Load Legacy Option Rom <Disabled>
    Boot List Option <UEFI>
    Secure Boot Mode <Standard> ------ ALSO HAS THE OPTION OF CUSTOM.
    >>>>> IF, I choose CUSTOM, then I have the option to: RESTORE FACTORY DEFAULTS or DELETE ALL SECURITY BOOT KEYS

    and then...
    Add Boot Option (If I click on this, "Input Option Name?" pops up.
    Delete Boot Option (Greyed Out)
    View Boot Option Properties (Greyed Out)

    I don't recall seeing the Custom/Standard before.....All I recall is Enabled/Disabled. Does this mean that someone else has already configured a 'Custom' boot option? Should I select 'Custom' and 'Restore Factory Defaults', or 'Add Boot Option'?
    A bit confused on this part.....and what it has to do with the TPM module ....
    Thanks.
      My System SpecsSystem Spec

  3. #92


    Posts : 22,581
    64-bit Windows 10


    Hello Lisa,

    You would want to temporarily disable Secure Boot until you have finished with encrypting the drive with BitLocker.

    Since you only have the "Standard" and "Custom" options for Secure Boot in your UEFI settings, selecting to use "Custom" and "Delete all security boot keys" should disable it for you.
      My System SpecsSystem Spec

  4. #93


    Quote Originally Posted by Brink View Post
    Hello Lisa,

    You would want to temporarily disable Secure Boot until you have finished with encrypting the drive with BitLocker.

    Since you only have the "Standard" and "Custom" options for Secure Boot in your UEFI settings, selecting to use "Custom" and "Delete all security boot keys" should disable it for you.
    Okay, much thanks.
    I went in and actually did that 'before' encrypting and then continued to encrypt. So I actually encrypted while it was on, but all security boot keys were disabled.....is this going to cause security issues nowo ? Do I need to go back, disable and delete, and re-encrypt?
      My System SpecsSystem Spec

  5. #94


    Posts : 22,581
    64-bit Windows 10


    No, that's fine. BitLocker would have given you an error shortly after starting if it couldn't encrypt the drive because of that.
      My System SpecsSystem Spec

  6. #95


    Posts : 5
    Windows 8.1


    Hello. I got my HP Omni 10 back from HP because of Touch Screen issues. Looks like they re-did Windows and Secure Boot is disabled. "C" is not encrypted either.

    If I generate new keys & turn on SecureBoot in BIOS, will it stop Windows from booting due to any reason? I ask because I do not have the HP recovery media and having HP restore it is a pain.

    Also, do I encrypt C first or enable Secure Boot first, or does enabling Secure Boot automatically start the encryption process?
      My System SpecsSystem Spec

  7. #96


    Posts : 22,581
    64-bit Windows 10


    Hello Slyronit,

    I would recommend to encrypt C first, then enable Secure Boot to be safe.

    If you are encrypting with BitLocker, be sure to back up your BitLocker recovery key to have handy if you should ever need them to recover the drive.

    BitLocker Recovery Key - Back Up in Windows 8
      My System SpecsSystem Spec

  8. #97


    Posts : 5
    Windows 8.1


    Thanks a ton, worked beautifully.
    Quote Originally Posted by Brink View Post
    Hello Slyronit,

    I would recommend to encrypt C first, then enable Secure Boot to be safe.

    If you are encrypting with BitLocker, be sure to back up your BitLocker recovery key to have handy if you should ever need them to recover the drive.

    BitLocker Recovery Key - Back Up in Windows 8
      My System SpecsSystem Spec

  9. #98


    Posts : 22,581
    64-bit Windows 10


    You're most welcome. I'm glad to hear all went well.
      My System SpecsSystem Spec

  10. #99


    Posts : 2
    Windows 10


    Hello,

    I changed my system from Legacy/MBR to UEFI/GPT. Do i need to enable Secure Boot? Everything runs normally, i don't really understand what Secure Boot is or if it needs to be enabled for some reason.
      My System SpecsSystem Spec

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Secure Boot - Enable or Disable in UEFI
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