Hiberfil.sys Delete Jun 2026

hiberfil.sys delete: What It Is and How to Remove It Safely The hiberfil.sys file is a system file created by Windows to support the Hibernation power mode. While it serves a critical function, it can consume several gigabytes of space on your primary drive, leading many users to wonder if they can safely delete it.

Once you execute this command, the Hibernation feature is turned off, and the hiberfil.sys file will immediately disappear from your C: drive. If you ever want to bring it back, simply repeat the steps and use the command powercfg -h on. Alternative: Reducing the Size of Hiberfil.sys hiberfil.sys delete

Thus, the decision of whether to delete hiberfil.sys hinges on a cost-benefit analysis tailored to the user’s hardware and habits. For a desktop PC that is always plugged into mains power, rarely shut down, or equipped with a large SSD, the benefits of deleting the file are minimal. The recovered space may be less valuable than the convenience of a faster boot. Conversely, for a laptop user with a cramped SSD who strictly uses Sleep mode and never Shuts down, disabling Hibernate and reclaiming gigabytes for essential files might be a rational choice. For those who wish to keep Fast Startup but need space, Windows offers a compromise: a "reduced" or "light" version of hiberfil.sys . By using the command powercfg -h -type reduced , the file shrinks to roughly 20% of RAM, enough for Fast Startup but insufficient for full Hibernate. hiberfil

If you never use Hibernate and want to reclaim that disk space, you can disable the feature via the Command Prompt. This will automatically delete the file. If you ever want to bring it back,

You can also disable hibernation and delete hiberfil.sys using the Control Panel:

hiberfil.sys is a system file in Windows that allows your computer to hibernate or enter a low-power state. When you put your computer into hibernation, the operating system saves the current state of your computer to the hiberfil.sys file on your hard drive. This file contains the data that was in RAM, allowing your computer to resume where it left off when you restart.

If you’ve ever run a disk cleanup tool or casually browsed your C: drive looking for junk to delete, you’ve likely stumbled across a massive, mysterious file sitting in the root directory: hiberfil.sys .