TPM is not the bios. There is a write protect screw in the motherboard of your chromebook. It must be removed to flash the RO BIOS. https://www.chromium.org/ch

TPM is not the bios. There is a write protect screw in the motherboard of your chromebook. It must be removed to flash the RO BIOS. https://www.chromium.org/chromium-os/developer-information-for-chrome-os-devices/custom-firmware https://www.chromium.org/chromium-os/developer-information-f...