Hibernate is a power option function that exist in windows operating system which will take a snap shot of all your current session that includes all your running programs, open files, etc. and save all the information in the hard drive in a file called hiberfil.sys particularly in C: drive. Hibernate speedups shutdowns and restarts and save power on laptops.

To activate hibernate

1. go to power options

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2. choose any of the power plan option and choose the advance setting

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3. Under sleep option change the allow hybrid sleep and hibernate after to enable the hibernate funtion in windows OS

Alternatively, you can type in the command "powercfg.exe -h on" at a command prompt with administrative privileges to enable hibernate function.

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To disable, type “powercfg.exe -h off” without quotes.

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