On Windows 11, the hiberfil.sys file is a hidden system file used for the and Fast Startup features. It stores the contents of your RAM to your hard drive so your PC can power down completely and later resume exactly where you left off.
Before disabling this feature, consider what you are giving up: windows 11 disable hiberfil sys
You likely need to run the terminal . Also, try running disk cleanup as admin or restart your PC. On Windows 11, the hiberfil
Run the same terminal as admin and type powercfg /h on . On Windows 11
If you want to delete hiberfil.sys but keep the ability to use Sleep mode normally: