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48 Using a Battery
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 when you leave
the computer unattended for long periods of time. See "Power
Management Modes" on page 48 for more information about standby and
hibernate modes.
• 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>. See "Configuring Power Management
Settings" on page 50 for more information.
NOTE: See "Battery Performance" on page 45 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
book.book Page 48 Tuesday, July 3, 2007 12:31 PM