: If your drive is encrypted with BitLocker, clearing the TPM (Trusted Platform Module) during a BIOS reset may permanently lock you out of your data unless you have the recovery key.
This method works because the lock code is derived from a machine-specific secret in the EC. The SMC generator computes the correct response. hp probook 440 g6 bios password reset
| Method | Difficulty | Cost | Success Rate | Risk | | :--- | :--- | :--- | :--- | :--- | | SMC.bin Backdoor | Easy | $0 (USB) | 20% | Low | | CMOS Battery | Easy | $0 | 0% | None | | SPI Programmer | Hard | $10 | 98% | Medium | | Professional Repair | None | $100+ | 100% | None | : If your drive is encrypted with BitLocker,