powercfg.exe /hibernate off
You can also disable hibernation and delete hiberfil.sys using the Control Panel: hiberfil.sys delete
If you want to keep the Hibernate feature but reduce the file size, Windows offers a compromise. powercfg
When you put your computer into Hibernation, Windows saves the current state of your open programs, documents, and settings into the hiberfil.sys file located in your root directory (usually C:). Unlike Sleep mode, which keeps data in the RAM and requires a small amount of power, Hibernation writes the RAM data to the hard drive and shuts down the power completely. 50% while still allowing for faster boots
50% while still allowing for faster boots. NinjaOne Summary Table: Pros and Cons Feature Keep hiberfil.sys Remove hiberfil.sys Disk Space Uses several GBs (up to your RAM size) Reclaims all that space instantly Boot Speed Faster (Fast Startup) Standard boot speed (Slower) Convenience Resume work exactly where you left it Must restart apps after every shutdown Battery Best for laptops with low batteries Shut down or Sleep (drains battery) For further technical troubleshooting or registry-based methods, you can visit Microsoft Q&A or Lifewire's guide . Would you like to know how to manage other large system files, such as
However, you can safely remove it by disabling the Hibernation feature itself. Once disabled, Windows automatically deletes the file. If you do not use Hibernation and prefer the extra disk space, there is no harm in removing it. How to Delete Hiberfil.sys via Command Prompt