How to Change the Hibernation File Size

When your computer goes into hibernate the files in memory (RAM) are saved into a file on the hard disk. This file is called hiberfil.sys and by default is set to be 75% of your total RAM size. You can adust this if you need to.

Adjust Hibernation File Size

• Open a command prompt window as an Administrator
• Type the following command, when 75 is the percentage you want

powercfg.exe /hibernate /size 75