Originally Posted by
Schadow
Your sleep/hibernate file may be corrupted. Try to turn it off and turn it back on again. To do so, do this:
-Run CMD as Admin (Start > Search Command Prompt, Right click and choose Run As Admin) (In Windows 10, right click your Start Menu and choose Command Prompt (Admin)
-typ in without the quotes "powercfg -h off" and press enter
-typ in again without the quotes "powercfg -h on" and press enter
This will re-create the hiberfill.sys file on your C:\ drive (provided that C:\ is your main drive).
It happens to our HP laptops at work as well, this usually fixes it.