2–28 Hardware and Software Guide
Power
Conserving Battery Power
To extend the time that a battery pack can run the notebook
from a single charge, use the following battery conservation
procedures and settings.
Conserving Power as You Work
To conserve battery power as you work:
■ Run the notebook on external power instead of a battery pack
whenever possible.
■ Prevent devices you are not using from drawing power from
the notebook. For example:
❏ Turn off wireless and local area network (LAN)
connections (select models only) and close modem
applications.
❏ Disconnect from the notebook any external devices
that are not plugged into an external power source.
❏ Stop, disable, or remove an inserted
◆ PC Card.
◆ Digital memory card (select models only).
◆ ExpressCard (select models only).
❏ 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 notebook.
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