There is no simple check / uncheck method to enable / disable hibernate in windows 7. Many of us rarely hibernate our system. So, its good to disable hibernate as it will save few GB of space.

Disable Hibernate in Windows 7
- Click Start button and then type cmd in the Start Search box. In the search results list, right-click Command Prompt / cmd, and then click Run as Administrator.

Run command prompt as administrator - Type following command and press enter.
powercfg.exe /hibernate off

- Exit from command prompt
This will delete hiberfil.sys file and disable hibernate in windows 7.
Enable Hibernate in Windows 7
- Click Start button and then type cmd in the Start Search box. In the search results list, right-click Command Prompt / cmd, and then click Run as Administrator.

Run command prompt as administrator - Type following command and press enter.
powercfg.exe /hibernate on

- Exit from command prompt
This will enable hibernate in windows 7 and also restore hiberfil.sys file
Great article, but sometimes the Hibernate option does not appear when you click the arrow next to shut down.