User’s Manual 3-7Getting StartedBenefits of Sleep ModeThe Sleep Mode feature provides the following benefits:■ Restores the previous working environment more rapidly than doesHibernation Mode.■ Saves power by shutting down the system when the computer receivesno input or hardware access for the duration set by the System SleepMode feature.■ You can use the panel power off feature.Entering Sleep ModeYou can enter Sleep Mode in one of three ways:■ Click the computer's power button.Please note that this feature must be enabled within Power Options (toaccess it, click Æ Control Panel Æ System and Security ÆPower Options).■ Click Start then click the arrow button located in the Shut downbutton , and select Sleep from the menu.■ Close the display panel. This feature must be enabled. Please refer toPower Options (to access it, click Æ Control Panel Æ System andSecurity Æ Power Options).When you turn the power back on, you can continue where you left whenyou shut down the computer.■ When the AC adaptor is connected, the computer will go into SleepMode according to the settings in Power Options .■ To restore operation from Sleep Mode, press the power button or pressany key. The latter action works only if Wake-up on Keyboard isenabled in HW Setup.■ If the computer automatically enters Sleep Mode while a networkapplication is active, the application might not be restored when thecomputer wakes up from Sleep Mode.■ To prevent the computer from automatically entering Sleep Mode,disable Sleep Mode in Power Options. However, this action will nullifythe computer's Energy Star compliance.■ Before entering Sleep Mode, be sure to save your data.■ Do not install or remove a memory module while the computer is inSleep Mode. The computer or the module could be damaged.■ Do not remove the battery pack while the computer is in Sleep Mode(unless the computer is connected to an AC power source). Data inmemory will be lost.You can also enable Sleep Mode by pressing Fn + F3. Refer to Chapter 5,The Keyboard, for details.