How to resize Hiberfil.sys

May 8, 2009

Hiberfil.sys is hibernation file that store whole Windows state, when hibernation in action. Its located in system drive (generally C: drive’s root). The size of file depends on total installed physical RAM, so it requires space in HDD as much your system RAM. But its too annoying we need to free space, so here is the solution.

Let's do it-

1. Reduce size/Resize
Go to Run and type CMD and press Enter

POWERCFG -H -Size


Specifies the desired hiberfil.sys size in percentage of the total memory. The default size cannot be smaller than 50. This switch will also enable the hiberfil.sys automatically.

2. Remove

POWERCFG -H OFF

Disables the hibernate feature and removes hiberfil.sys

3. Re-enable hibernate feature

POWERCFG -H ON

Allows to revert back to default and create hiberfil.sys according to system RAM.

Source: http://www.itsmywindows.com/how-to-reduce-the-sizeresizeremove-of-hiberfilsys

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