If there's no bcd store file in the boot folder of the Boot partition, restore this file by following the steps in Solution 1: Replace the system binary file, except that you're replacing the \boot\bcd file instead of a .sys file.
If there's no bcd store file in the boot folder of the Boot partition, restore this file by following the steps in Solution 1: Replace the system binary file, except that you're replacing the \boot\bcd file instead of a .sys file.