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Sleep Mode
Sleep mode in Windows saves the contents of your system memory during periods of inactivity by
maintaining power to critical parts. This mode turns off the CPU, display, hard drive, and all other internal
components except those necessary to maintain system memory and for restarting.
Your notebook can be put in Sleep mode by:
• Pressing the Power/Suspend/Resume button when your system is turned on.
• Timing out from lack of activity.
• Allowing the battery to reach the Dead Battery Warning condition.
Your notebook’s system memory typically stores the file on which you are working, open application
information, and any other data required to support operations in progress. When you resume operation
from Sleep mode, your notebook will return to the point 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.
• 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
S
LEEP OR HIBERNATION (SAVE-TO-DISK) MODE. THE BUTTON RESUME FUNCTION CANNOT BE DISABLED.
• THE SLEEP OR HIBERNATION (SAVE-TO-DISK) MODE SHOULD NOT BE USED WITH CERTAIN PC CARDS. CHECK
YOUR PC CARD DOCUMENTATION FOR MORE INFORMATION. WHEN PC CARDS OR EXTERNAL DEVICES ARE IN
USE, HIBERNATION (SAVE-TO-DISK) MODE CANNOT RETURN TO THE EXACT STATE PRIOR TO SUSPENSION,
BECAUSE ALL OF THE PERIPHERAL DEVICES WILL BE RE-INITIALIZED WHEN THE SYSTEM RESTARTS.
• IF YOUR NOTEBOOK IS ACTIVELY ACCESSING INFORMATION WHEN YOU ENTER 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.