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3–30 Hardware and Software Guide
Power
Conserving Battery Pack Power
To extend the time that a battery pack can run the computer from
a single charge, use the following battery conservation settings
and procedures.
Conserving Power as You Work
To conserve power as you work:
■ Prevent devices you are not using from drawing power from
the computer. For example:
❏ Turn off wireless and local area network (LAN)
connections and close modem applications.
❏ Disconnect from the computer any external devices that
are not plugged into an external power source.
❏ Stop or remove any optional external media cards you are
not using.
❏ Remove an optical disc that you are not using.
❏ Disable or remove an inserted digital card.
❏ Turn off a device connected to the S-Video–out jack.
■ Use optional, externally powered speakers instead of the
internal speakers whenever possible. When you use the
internal speakers, minimize system volume. Volume can be
adjusted with the volume buttons.
■ Minimize screen brightness.
❏ To decrease screen brightness, press the fn+f7 hotkey.
❏ To increase screen brightness, press the fn+f8 hotkey.
■ If you leave your work, initiate standby or hibernation, or
shut down the computer.