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Windows

BitLocker recovery prompt appears after every BIOS update

troublesync_editorial
1mo ago
Security
Environment

Environment

Dell Latitude running Windows 11 Pro with TPM 2.0 and BitLocker enabled.

What happens

What happens

Every firmware update boots into the BitLocker recovery screen even though Secure Boot remains enabled.

What I have tried

What I have tried

Re-entered the recovery key and confirmed TPM health in Windows Security.

I would appreciate advice on how to identify the root cause without risking existing data or configuration.

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1 reply
0
Alexander Answer
admin
Posted 2w ago • 0 confirmations

This looks less like a hardware failure and more like a configuration issue.

Likely cause: Firmware updates change TPM platform measurements while BitLocker protection is active.

What I would try: Suspend BitLocker before applying approved BIOS updates, reboot once after the update and then resume protection.

Keep an eye on the relevant logs during the test; they should confirm whether the hypothesis is correct.

alexnord
user
Posted 2w ago

Good point about changing one thing at a time. I had been testing several settings together.

Showing 1 of 1 community responses
AI DIAGNOSTICS

Incident analysis

Updated 1mo ago• Trouble ID

Most likely causes

Firmware updates change TPM platform measurements while BitLocker protection is active. 74%
A recent software, firmware or configuration change is exposing an existing compatibility issue. 30%

Summary

The reported behaviour is consistent with firmware updates change TPM platform measurements while BitLocker protection is active. The safest next step is to verify that hypothesis with a reversible test before making permanent configuration changes.

Suggested Fixes

Verify the likely cause
Suspend BitLocker before applying approved BIOS updates, reboot once after the update and then resume protection.
Validate and monitor
Reproduce the issue once after the change, review relevant logs or metrics, and keep a rollback path until the system has remained stable.

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