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- Power Management
• Selecting Sleep from the Windows Shut Down menu.
• Timing out from lack of activity.
• Allowing the battery to reach the Dead Battery Warning condition.
System memory typically stores the files on which you are working, open application information, and
any other data required to support operations in progress. When you resume operation from Sleep, your
system will return to where it left off. You must use the Power/Suspend/Resume button to resume
operation, and there must be an adequate power source available, or your notebook will not resume.
Hibernation (Save-to-Disk) Feature
The Hibernation feature saves the contents of your notebook’s system memory to the hard drive as a part
of the Power/Suspend/Resume mode. You can enable or disable this feature.
Enable or Disable the Hibernation Feature
The default settings are not enabled. To enable or disable the Hibernation feature, follow these steps:
1 From the Start menu, select Control Panel > Power Options.
2 Select Choose what the power button does or Choose what closing the lid does, then make your selection
(Do Nothing, Sleep, Hibernate, or Shut Down).
• IF RUNNING YOUR NOTEBOOK ON BATTERY POWER, BE AWARE THAT THE BATTERY CONTINUES TO DISCHARGE
WHILE YOUR NOTEBOOK IS IN SLEEP MODE, THOUGH NOT AS FAST AS WHEN FULLY OPERATIONAL.
• DISABLING THE POWER/SUSPEND/RESUME BUTTON PREVENTS IT FROM BEING USED TO PUT THE NOTEBOOK
INTO SLEEP OR HIBERNATION (SAVE-TO-DISK) MODE. THE BUTTON RESUME FUNCTION CAN’T BE DISABLED.
• IF YOUR NOTEBOOK IS ACCESSING INFORMATION WHEN YOU ENTER THE SLEEP OR HIBERNATION MODE,
CHANGES TO OPEN FILES ARE NOT LOST. THE FILES ARE LEFT OPEN AND MEMORY IS KEPT ACTIVE DURING
SLEEP MODE OR THE MEMORY IS TRANSFERRED TO THE INTERNAL HARD DRIVE DURING HIBERNATION MODE.
• THE MAIN ADVANTAGE OF USING HIBERNATION (SAVE-TO-DISK) IS THAT POWER IS NOT REQUIRED TO MAINTAIN
YOUR DATA. THIS IS PARTICULARLY IMPORTANT IF YOU WILL BE LEAVING YOUR NOTEBOOK IN A SUSPENDED
STATE FOR A PROLONGED PERIOD OF TIME. THE DRAWBACK OF USING HIBERNATION MODE IS THAT IT
LENGTHENS THE POWER DOWN AND POWER UP SEQUENCES AND RESETS PERIPHERAL DEVICES.
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