Today, I installed a Windows 7 operating system, after loading, click the Start button, mouse down to the left side of the extension options, no sleep option found.
Then start the online query solution, and the process is recorded as follows:
Let's start with a brief introduction to hibernation: hibernate: write the memory data to the hard disk, and then power off all the devices. Power is no longer needed.
Here's how to fix it:
1, first into the cmd command line interface. Click Start-and-run input cmd.exe---> enter, or you can open the run directly win+r the shortcut key.
2, in the command line input, powercfg-hibernate on, or abbreviated to powercfg-hon, the same effect.
After the above steps, we go to the shutdown to see, we can see the Sleep function button, and will be at the root of the C drive to generate the hiberfil.sys file, the size of the system as large as available memory.
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about how to turn on the Hibernate feature in Windows 7 systems