fsutil volume diskfree C: Should hibernation be required again in the future, the command is:
powercfg /h on This recreates hiberfil.sys with the default size (approximately 40-75% of RAM). To set a custom size (e.g., 50%):
powercfg /availablesleepstates Alternatively, to check specifically for hibernation file presence: cmd disable hibernation
powercfg /a Expected output after successful disable:
[Current Date] Subject: CMD Disable Hibernation Target OS: Windows 10, Windows 11, Windows Server 2016/2019/2022 1. Executive Summary Hibernation is a power-saving state designed for laptops primarily, where system memory contents (RAM) are written to a disk file ( hiberfil.sys ) before the computer shuts down completely. Upon restart, the system reads this file back into RAM, restoring all previously open applications and documents. fsutil volume diskfree C: Should hibernation be required
powercfg /a You will see output such as:
To check recovered space in GB:
The following sleep states are available on this system: Standby (S3) Hibernate Fast Startup Type the following command and press Enter :
