HP ProBook 5220m Notebook PC - Manual (Page 77)

3. Reenter the settings that you recorded for the items in the On battery column.
– or –
Click Restore default settings for this plan, and then follow the on-screen instructions.
NOTE: If you restore default settings, omit steps 4 through 8.
4. Click Change advanced power settings.
5. Click the plus sign next to Sleep, and then click the plus sign next to Hibernate after.
6. Reenter the setting that you recorded for On battery.
7. Click OK.
8. Click Save changes.
Conserving battery power
● Select the Power saver power plan through Power Options under System and Security in
Windows Control Panel.
● Turn off wireless and local area network (LAN) connections and exit modem applications when you
are not using them.
● Disconnect external devices that are not plugged into an external power source, when you are not
using them.
● Stop, disable, or remove any external media cards that you are not using.
● Use the fn+f7 and fn+f8 hotkeys to adjust screen brightness as needed.
● 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.
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! 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.
Refer to the Regulatory, Safety, and Environmental Notices for battery disposal information.
Using battery power 65