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
■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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