Hibernate Mode
Hibernate mode conserves power by copying system data to a reserved area on the hard drive and then completely turning off the computer. When the computer exits from hibernate mode, the desktop is restored to the state it was in before it entered hibernate mode. Windows Vista may mask Hibernate from the user if Hybrid Sleep is enabled. See Help and Support for further information - search for Hibernate.
To activate hibernate mode immediately (if available):
1Click Start 
and click the arrow 
.
2Select Hibernate from the list.
To exit from hibernate mode, press the power button. The computer may take a short time to exit from hibernate mode. Pressing a key on the keyboard or moving the mouse does not bring the computer out of hibernation, because the keyboard and the mouse do not function when the computer is in hibernate mode.
Because hibernate mode requires a special file on your hard drive with enough disk space to store the contents of the computer memory, Dell creates an appropriately sized hibernate mode file before shipping the computer to you. If the computer's hard drive becomes corrupted, Windows Vista recreates the hibernate file automatically.
Power Plan Properties
Define your standby mode settings, display mode settings, hibernate mode settings (if available), and other power settings in the Power Plan Properties window. To access the Power Plan Properties window:
1Click Start 
and click Control Panel.
2Click System and Maintenance.
3Under System and Maintenance, click Power Options. This takes you to the main Select a Power Plan window.
4In the Select A Power Plan window, you can change or modify power settings.
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