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Resolving a low battery level when the computer cannot exit Hibernation
When the computer lacks sufficient power to exit Hibernation, follow these steps:
1.
Replace the discharged battery with a charged battery, or connect the AC adapter to the computer
and to external power.
2.
Exit Hibernation by pressing the power button.
Conserving battery power
●
Select low power-use settings through Power Options in Windows Control Panel.
●
Turn off wireless and local area network (LAN) connections and exit modem applications when you
are not using them.
●
Disconnect unused external devices that are not plugged into an external power source.
●
Stop, disable, or remove any external media cards that you are not using.
●
Decrease screen brightness.
●
Before you leave your work, initiate Sleep or Hibernation, or shut down the computer.
Storing a battery
CAUTION:
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.
NOTE:
A stored battery should be checked every 6 months. If the capacity is less than 50 percent,
recharge the battery before returning it to storage.
Calibrate a battery before using it if it has been stored for one month or more.
Disposing of a used battery
WARNING!
external contacts; do not dispose of in fire or water.
Refer to the Regulatory, Safety, and Environmental Notices for proper battery disposal.
Replacing the battery
In Windows 7, Battery Check in Help and Support notifies you to replace the battery when an internal
cell is not charging properly or when the battery storage capacity has reached a weak condition. If the
battery is possibly covered by an HP warranty, instructions include a warranty ID. A message refers you
to the HP Web site for more information about ordering a replacement battery.
26
Chapter 4 Power management
To reduce the risk of damage to a battery, do not expose it to high temperatures for
To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
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