Power

7–18 Power
Battery packs
Conserving battery power
Using the battery conservation procedures and settings described
in this section extends the time that a battery pack can run the
computer from a single charge.
Conserving power as you work
To conserve power as you use the computer:
■ Turn off wireless and local area network (LAN) connections
and exit modem applications when you are not using them.
■ Disconnect external devices you are not using that are not
plugged into an external power source.
■ Stop or remove any optional external media cards that you are
not using.
■ Disable or remove an inserted digital card.
■ Use the fn+f9 and fn+f10 hotkeys to adjust screen brightness
as you need it.
■ Use optional powered speakers instead of the internal
speakers, or adjust system volume as you need it.
■ Turn off a device connected to the S-Video-out jack by using
the
fn+f4 hotkey or by turning off support for the device in
Windows.
■ If you leave your work, initiate standby or hibernation, or
shut down the computer.