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BitLocker ask Recovery key after BIOS Update & Enable fTPM

Anonymous
2021-07-10T16:44:42+00:00

As per title say...

I build a gaming rig for my friend long time ago, story it begin with:

  1. Last month, I guide him to enable fTPM in UEFI BIOS since he want his PC ready for Windows 11
  2. Yesterday I guide him to update UEFI BIOS (Asus ROG Strix B450-F Gaming, v4301 to v4402)

Now, when his PC boot, asking for BitLocker Recovery Key...

if I remember correctly way I build my friend PC, I never ever to Enable BitLocker.

I install Windows 10 21H1 Image that I sysprep inside VM with software, Steam, Origin, etc... using Macrium Reflect, just to make deploy faster.

Same Windows 10 21H1 Image I use on my other clients and my self.

Now, cannot boot into Windows after Enable fTPM and BIOS Update

Is there a way to recover from this?

Also... How to prevent BitLocker Automatically Enable when TPM is enabled in the future?

Windows for home | Windows 10 | Security and privacy

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  1. Anonymous
    2021-07-10T17:03:35+00:00

    you need to disable it in the bios you would need to have to your friends Microsoft account to recover that key first before you disable it

    https://account.microsoft.com/devices/recoverykey

    if he/she only have a local account then the only way to get back into windows is to do a full fresh reinstall windows

    before reinstall make sure you have BitLocker disabled in bios

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  2. Anonymous
    2021-07-10T19:04:18+00:00

    Hi, I'm Elise, an Independent Advisor and I'd be happy to help with your issue.

    You can try locate the bitlocker recovery key by following these steps:

    https://support.microsoft.com/en-us/windows/fin...

    Unfortunately if you cannot locate this, then there isn’t a way to recover the data.

    I am not really sure of the circumstances of how Bitlocker became enabled on the device, but you can always check the status of drive encryption by right clicking the drive in file explorer and selecting the Bitlocker option.

    Please let me know if you need any further assistance.

    Kind Regards,

    Elise

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