Windows 10: Grandma forgot her PIN. Windows 11 Bitlocker TPM only uses a PIN to login.

Grandma forgot her PIN. Windows 11 Bitlocker TPM only uses a PIN to login. The HP Envy will not factory reset, probably because of the TMP. Diskpart does not see the drive. I'm trying to get her new Windows 11 computer going without changing the hard drive. Maybe someone has a clue?

:)

 

Bitlocker with TPM startup key and PIN

Step 4 below shows how to set up BitLocker with TPM and PIN, but it doesn't use command line since using the UI is much easier.

Turn On or Off BitLocker for Operating System Drive in Windows 10

 

Bitlocker with TPM startup key and PIN

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How to configure BitLocker with TPM, PIN, and StartupKey

 

Bitlocker...TPM + PIN vs Password?

Using TPM is undoubtable more secure. Some advantages are (compared to using USB and PIN):

You can't copy it - the TPM key is unique.
Like you say you can configure timeout.
Can check boot files for tampering.

Trusted Platform Module Technology Overview (Windows 10)

Using a PIN as a logon to your account (nothing to do with bitlocker PIN) can also be more secure than using a password incidentally. Why a PIN is better than a password (Windows 10)

No it doesn't. It asks you if you want to. In fact it asks you if you want to print it, save it (to another disk), save it to your MS account. or your AD. Depending what your group policy allows you can do some, all or none of these. BitLocker Group Policy settings (Windows 10)