Chapter 2Operating on Battery Power44The following signals indicate that the computer is in Standbymode:q The buzzer beepsq The Standby indicator lightsWarning! Unstored data is lost when you turn off the computer power inStandby mode or when the battery is drained.To leave Standby mode and return to normal mode:q Press any keyq Move the active pointing device (internal or external PS/2)q Have the resume timer set and let it be matchedq Open the display coverq Experience an incoming PC card modem eventHibernation ModeIn Hibernation mode, all power shuts off (the computer does notconsume any power). The computer saves all systeminformation onto the hard disk before it enters Hibernationmode. Once you turn on the power, the computer restores thisinformation and resumes where you left off upon leavingHibernation mode.There is one necessary conditions for the computer to enterHibernation mode:q The Hibernation file created by Sleep Manager must bepresent and valid. See “Sleep Manager” on page 76.In this situation, there are five ways to enter Hibernation mode:q Pressing the Hibernation hot key Fn-F4q If the waiting time specified by the System Hibernationvalue elapses without any system activityq If a battery low condition occurs and the Sleep Upon
