Event 812: BitLocker cannot use Secure Boot for integrity because the UEFI variable ‘SecureBoot’ could not be read.

First Step Check the current status. Open the Command Prompt and run the following command Manage-bde -protectors -get c: *we can change the drive letter as per our requirement. Secondly Run the following command one after one as per the order. The Fix: manage-bde -protectors c: -delete -t tpm manage-bde -protectors c: -add -tpm Finally, … Read more