13. Disable Hibernation

Hibernation is a useful power option but its associated file, Hiberfil.sys can have a tendency to take up a considerable amount of space. On a machine with 2 Gigabytes of Memory, for example, the Hiberfil.sys file will expand to a full 2GB. The more memory available, the larger the file.

For the those that want to disable hibernation the procedure is simple.

Disable

Click Start followed by All Programs and then Accessories.
On the Accessories menu Right Click on the Command Prompt.
From the drop down menu, Click on the Run As Administrator option.
The Command Prompt window will now open.
At the command prompt type: powercfg -H off.
Close the Command Prompt.

Enable

If, after you have disabled hibernation you wish to re-enable it, proceed as follows:

Click Start followed by All Programs and then Accessories.
On the Accessories menu Right Click on the Command Prompt.
From the drop down menu, Click on the Run As Administrator option.
The Command Prompt window will now open. At the command prompt type: powercfg -H on.
Close the Command Prompt.

An alternative way of Disabling and Enabling hibernation is through the Power Options facility in Control Panel. To do this proceed as follows:

Disable

Click the Start button.
On the Start Menu, Click Control Panel.
In the Control Panel windows, Click the Power Options icon.
In the Select a Power Plan window, Click on the Change Plan Settings link.
In the Change Setting For Power Plan window, Click on the Change Advanced Power Plan link.
In the Advanced Settings window, Click on the Plus (+) sign next to the Sleep option to expand the list.
Next Click on the plus (+) sign next to the Hibernate option and change the setting to Never.
You change the setting by clicking on the down arrow to the right of the Setting (Minutes) option.
Next, Click on the plus sign (+) next to the Allow Hybrid sleep option and set this to Off.
Finally, Click the OK button.

Enable

Click the Start Button.
On the Start Menu, Click Control Panel.
In the Control Panel windows, Click the Power Options icon.
In the Select a Power Plan window, Click on the Change Plan Settings link.
In the Change Setting For Power Plan window, Click on the Change Advanced Power Plan link.
In the Advanced Settings window, Click on the Plus (+) sign next to the Sleep option to expand the list.
Next Click on the plus (+) sign next to the Hibernate option and set the setting (Minutes) to whatever period of time you want before your computer goes into hibernation.
Next, Click on the plus sign (+) next to the Allow Hybrid sleep option and set this to On.
Finally, Click the OK button.