Delete Hiberfil.sys File To delete this file, you have to use the command prompt to manually turn off hibernation. If you turn off hibernation via Power Options (which I will show you next), it will not delete the actual file itself. Open a command prompt in Windows 7 by typing command in the search box. Right click Command Prompt and choose Run as Administrator.

delete hiberfil sys To turn off or disable hibernation, type the following command at the prompt: powercfg –h off

This will disable hibernation and will remove the hiberfil.sys file from your system. Turn Off Hibernation in Windows 7 To disable hibernation in Windows 7, you have to go into Power Options and click on Change plan settings. disable hibernation Then click on the Change advanced power settings link at the bottom. remove hiberfil.sysNow expand Sleep and then expand Hibernate after. Change the value of On battery and Plugged in to 0 minutes. Note that the option will not even be available if you turned off hibernation using the command line. turn off hibernation That’s pretty much it! Hopefully, you can reclaim some lost disk space by getting rid of the hiberfil.sys file in Windows 7. Enjoy!