Manual

Conserving battery power
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Select Start > Control Panel > System and Security > Power Options > Power saver.
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Turn off wireless and local area network (LAN) connections and exit modem applications when you
are not using them.
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Disconnect external devices that are not plugged into an external power source, when you are not
using them.
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Stop, disable, or remove any external media cards that you are not using.
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Use the fn+f3 and fn+f4 hotkeys to adjust screen brightness as needed.
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If you leave your work, initiate Sleep or Hibernation, or shut down the computer.
Storing a battery
CAUTION: To prevent damage to a battery, do not expose it to high temperatures for extended periods
of time.
If a computer will be unused and unplugged from external power for more than 2 weeks, remove the
battery and store it separately.
To prolong the charge of a stored battery, place it in a cool, dry place.
Calibrate a battery before using it if it has been stored for one month or more.
Disposing of a used battery
WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
external contacts; do not dispose of in fire or water.
For additional information, refer to the Regulatory, Safety and Environmental Notices included with this
computer.
72 Chapter 8 Power management