Power Initiating or Restoring from Hibernation Task Procedure Result User-initiated Hibernation With the notebook on, use either of the following procedures: ■ Briefly press the power button. ■ Select Start > Shut Down > Hibernate. (If the Hibernate option is not displayed, press and hold shift. ) ■ Power/standby light turns off. ■ Screen clears. ✎ If the notebook is in Standby, you must resume from Standby before you can initiate Hibernation. System-initiated Hibernation If the notebook is running on external power, the system does not initiate Hibernation. If the notebook is running on battery power, the system initiates Hibernation:
■ After 30 minutes of notebook inactivity, or ■ When an inserted battery pack reaches a critical low-battery condition (1 percent of a full charge remaining). ■ Power/standby light turns off. ■ Screen clears. Restore from user-initiated or system-initiated Hibernation. Press the power button. ■ Power/standby light turns on. ■ Your work returns to the screen. ✎ If the system initiated Hibernation because of a critical low-battery condition, connect external power or insert a charged battery pack before you press the power button. 4–8 Startup and Reference Guide—Part 2