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Unable to enable TPM FDE in installer - Ubuntu 26.04 LTS #543

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@jnsgruk

Heyo 👋🏻

Yesterday I did a clean build on my desktop machine, and where in a previous release this worked, I was unable to get the UEFI into a state where the installer would let me use TPM FDE.

I reset the TPM, restored factory keys and otherwise tried all combos I could, but kept getting the error:

"INVALID_SECURE_BOOT_MODE" and "error with secure boot policy (PCR7) measurements, deployed mode should be enabled in order to generate secure boot profiles"

The motherboard is an MSI MPG CARBON X670E - so relatively recent.

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