Step 5: Reenable Hibernation and Sleep
CAUTION: Failure to reenable Hibernation after calibration may result in a full battery discharge and information loss if the computer reaches a critical battery level.
1.Click the battery meter icon in the notification area, and then click More power options.
– or –
Select Start > Control Panel > System and Security > Power Options.
2.Under the current power plan, click Change plan settings.
3.Reenter the settings that you recorded for the items in the On battery column.
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 f2 and f3 action keys 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 two 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 six 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.
60 Chapter 5 Power management