Dell Latitude D620 ATG User's Guide - Page 14

l Place the computer in standby mode or hibernate mode (see Power Management Modes) when you leave the computer unattended for long periods of time. l Use the Power Management Wizard (see Configuring Power Management Settings) to select options to optimize your computer's power usage. These options can also be set to change when you press the power button, close the display, or press . NOTE: See Battery Performance for more information on conserving battery power. Power Management Modes Standby Mode Standby mode conserves power by turning off the display and the hard drive after a predetermined period of inactivity (a time-out). When the computer exits standby mode, it returns to the same operating state it was in before entering standby mode. NOTICE: If your computer loses AC and battery power while in standby mode, it may lose data. To enter standby mode: l Click the Start button, click Turn off computer, and then click Stand by. or l Depending on how you set the power management options on the Advanced tab in the Power Options Properties window, use one of the following methods: ¡ Press the power button. ¡ Close the display. ¡ Press . To exit standby mode, press the power button or open the display depending on how you set the options on the Advanced tab. You cannot make the computer exit standby mode by pressing a key or touching the touch pad or track stick. Hibernate Mode Hibernate mode conserves power by copying system data to a reserved area on the hard drive and then completely turning off the computer. When the computer exits hibernate mode, it returns to the same operating state it was in before entering hibernate mode. NOTICE: You cannot remove devices or undock your computer 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: l Click the Start button, click Turn off computer, press and hold , and then click Hibernate. or l Depending on how you set the power management options on the Advanced tab in the Power Options Properties window, use one of the following methods to enter hibernate mode: ¡ Press the power button. ¡ Close the display. ¡ Press . or l Press if you have used the QuickSet program to set this keyboard shortcut (see Dell™ QuickSet Features). NOTE: Some PC Cards or ExpressCards may not operate correctly after the computer exits hibernate mode. Remove and reinsert the card (see Card Types), or simply restart (reboot) your computer. To exit hibernate mode, press the power button. The computer may take a short time to exit hibernate mode. You cannot make the computer exit hibernate mode by pressing a key or touching the touch pad or track stick. For more information on hibernate mode, see the documentation that came with your operating system. Configuring Power Management Settings You can use the QuickSet Power Management Wizard or Windows Power Options Properties to configure the power management settings on your computer.