42 Power Managementw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Hibernate ModeHibernate mode conserves power by copying system data to a reserved area on the hard driveand then completely turning off the computer. When the computer exits hibernate mode, itreturns to the same operating state it was in before entering hibernate mode.NOTICE: You cannot remove devices while your computer is in hibernate mode.Your computer enters hibernate mode if the battery charge level becomes critically low.To manually enter hibernate mode, click the Start button, click Turn off computer, press andhold , and then click Hibernate. Depending on how you set the power managementoptions on the Advanced tab in the Power Options Properties window, use one of the followingmethods to enter hibernate mode:• Press the power button.• Close the display.• Press .NOTE: Some ExpressCards may not operate correctly after the computer exits hibernate mode. Removeand reinsert the card, or simply restart (reboot) your computer. See "Installing an ExpressCard" onpage 67.To exit hibernate mode, press the power button. The computer may take a short time to exithibernate mode. You cannot make the computer exit hibernate mode by pressing a key ortouching the touch pad. For more information on hibernate mode, see the documentation thatcame with your operating system.Power Options PropertiesThe Power Options Properties window helps you to manage power consumption and monitorbattery charge status. To access the Windows Power Options Properties window, click the Startbutton, point to Control Panel→ Performance and Maintenance, and click Power Options.Power Schemes TabThe Power schemes drop-down menu displays the selected preset power scheme. Keep thedefault Portable/Laptop power scheme to maximize battery power.Windows XP controls the performance level of the processor depending on the power schemeyou select. You do not need to make any further adjustments to set the performance level.Each preset power scheme has different time-out settings for entering standby mode, turningoff the display, and turning off the hard drive. For more information on power managementoptions, see the Windows Help and Support Center. To access the Help and Support Center, seepage 13.book.book Page 42 Wednesday, October 26, 2005 1:00 PM
