I want to delete the hiberfil.sys to save some disk space.

original title: Delete hiberfil.sys

I want to delete the hiberfil.sys to save some disk space. The reason I am trying to do this is becuase, the hybrnation feature is already deselected in GUI. But this file is taking up alost 2 GB space. I tried running the command in CMD and ran As Administrator,  powercfg -h off. But I get a message that I do not have permission to enable or disable Hiberntion. So please suggest if I can delete this in my Windows 7 and in future if I want will I be able to use hibernation?

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Answer
Answer
One critical detail is missing: Right-click Command Prompt and select "Run as administrator." Then the command will work.

So, the complete instructions are as follows:

Click Start -> All Programs -> Accessories
Right-click Command Prompt
Select Run as administrator
Grant permisssion to change system settings
In this privileged command prompt window, enter: powercfg -h off

Poof! hiberfil.sys is gone -- instantly!

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Answer
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Boot in Safe Mode and delete the file. Ensure that the hibernation is not enabled.
If you still cannot delete it, use some other bootable disk and then delete it.

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Last updated June 17, 2021 Views 84,298 Applies to: