If You Reinstall Windows:
You should
Options Properties window and click on the Hibernate tab then click “Enable Hibernation”.
Hibernate Tab
Frequent Interruptions:
If you experience frequent interruptions, you might also consider putting your computer into automatic hibernation after a specified number of minutes using the power management options.
a Standby Mode (Power Management or Manual Method)Standby is used mainly for conserving battery power in your notebook computer. It also gives you the benefit of getting right back to your work without waiting for the computer to restart. Standby turns off your monitor and hard disks, placing your entire system in a
Rest Key:
The manual <Fn+F9> key combination will not activate Standby or Hibernate modes whilst you are playing a multimedia program or have an active USB device connected.
Using Power Management Options 59