Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.
Work through these checks
0 of 2 complete01If you have BitLocker, get the recovery key (Microsoft account) and press Y
If you have BitLocker, get the recovery key (Microsoft account) and press Y.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
02If you do not encrypt the disk, safely press 'Y' to reset the TPM structure
If you do not encrypt the disk, safely press 'Y' to reset the TPM structure.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
Possible causes
- Replacing the processor with a new model
- The BIOS update invalidated the
- keys BitLocker enabled and TPM has mismatch
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