Use of hibernation may cause slower starts and resumes when BitLocker Drive Encryption is enabled

During restart, BitLocker Drive Encryption configures the firmware to clear memory on the next restart if the system is shut down unexpectedly. During resume from hibernation, BitLocker configures the firmware to clear memory on the later restart, regardless of the cause of shutdown. This issue begins after the first resume from hibernation, continues across Hibernate cycles, and ends after the slow restart that follows a shutdown or a restart. Therefore, on a restart that follows a resume from Hibernate, as instructed by BitLocker, the firmware clears the memory during the restart process. The delay for users while memory is cleared varies, and this delay depends on the physical configuration of the system and the memory size.