Dell Latitude D620 User Guide - Page 35

Conserving Battery Power, Power Management Modes, Standby Mode - will not power on

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Using a Battery: Dell Latitude D620 User's Guide batteries is approximately 90 percent depleted. The computer enters hibernate mode when the battery charge is at a critically low level. For more information about low-battery alarms, see Configuring Power Management Settings. Conserving Battery Power Perform the following actions to conserve battery power: ● Connect the computer to an electrical outlet when possible because battery life is largely determined by the number of times the battery is used and recharged. ● Place the computer in standby mode or hibernate mode (see Power Management Modes) when you leave the computer unattended for long periods of time. ● 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: ● Click the Start button, click Turn off computer, and then click Stand by. or ● 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: r Press the power button. r Close the display. file:///S|/Integration%20Specialist/Hardware%20Docu...ion/Kim%20&%20Jay/Dell%20Laptops/D620UG/battery.htm (4 of 7) [12/4/2008 10:54:10 AM]

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Using a Battery: Dell Latitude D620 User's Guide
batteries is approximately 90 percent depleted. The computer enters hibernate mode when the battery
charge is at a critically low level. For more information about low-battery alarms, see
Configuring Power
Management Settings
.
Conserving Battery Power
Perform the following actions to conserve battery power:
●
Connect the computer to an electrical outlet when possible because battery life is largely determined
by the number of times the battery is used and recharged.
●
Place the computer in standby mode or hibernate mode (see
Power Management Modes
) when you
leave the computer unattended for long periods of time.
●
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 <Fn><Esc>.
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:
●
Click the
Start
button, click
Turn off computer
, and then click
Stand by
.
or
●
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.
file:///S|/Integration%20Specialist/Hardware%20Docu...ion/Kim%20&%20Jay/Dell%20Laptops/D620UG/battery.htm (4 of 7) [12/4/2008 10:54:10 AM]