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February 19th, 2024 23:42
BSOD loop with nvpcf.sys GPU driver update and BIOS update (bitlocker enabled)
Ran updates through Dell Command Update and it went into BSOD loop from nvpcf.sys. The bios update was successful, the GPU driver update was not apparently. Could not recover due to the BitLocker Keys not appearing in Azure Active Directory even though machine was domain joined (though I was using a local admin account when running the update). The keys I had manually backed up did not match.
Strange thing though is that my non-system drive's backed up bitlocker key did not match either.
Is it possible that the BIOS update changed my BitLocker keys (since it disables and reenables bitlocker) and for both drives (os drive and some other data drive)?
I noticed that on the first BSOD, it collected logs. It kept boot looping and collecting logs, so I reset by holding the power button. After that I did not notice the BSOD log collection...which may have stopped after trying some suggestions from Google searches (but still BSOD loop same nvpcf.sys error). Tried all suggestions I could find on Google, but they required the BitLocker key which I could not get. Had to wipe both my drives (both had BitLocker) and reinstall windows.
Does the TPM store the keys for BitLocker and if you disable the TPM in BIOS then re-enable it, would that wipe out the keys that are stored in the TPM for BitLocker?


