Delete hiberfil.sys from the root of your Windows drive
April 2nd, 2010
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If you ever noticed the hiberfil.sys file in the root of your Windows system drive and wondered what it was and how to get rid of it, well here’s your answer!
The hiberfil.sys file is used with the Windows Hibernate feature, and even if you modify your power plan and disable the hibernation features in there, the file will still be on your system. The file size depends on the amount of RAM your system has, as it is used to dump some (or almost all) of the data in RAM on to your hard drive so it can enter a hibernation state. For my system, since I have 4GB of RAM, the file was almost 4GB in size so it made sense to get rid of it if I wasn’t going to use Hibernation mode.
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Categories: General, Operating System hiberfil.sys, Hibernate, pagefile.sys, Windows, Windows 7, Windows Vista