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4. Recharge the battery. To recharge the battery:
a. Connect the computer to external power until the battery is fully recharged.
The computer can be used while the battery is recharging, but the battery charges faster if
the computer is off.
b. If the computer is off, turn it on when the battery is fully charged.
5. Re-enable Hibernation and Sleep. To re-enable Hibernation and Sleep:
CAUTION: Failure to re-enable Hibernation after calibration might result in a full battery discharge
and information loss if the computer reaches a critical battery level.
a. 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.
b. Under the current power plan, click Change plan settings.
c. Re-enter the settings that you recorded for the items in the On battery column.
d. Click Change advanced power settings.
e. Click the plus sign next to Sleep, and then click the plus sign next to Hibernate after.
f. Re-enter the setting that you recorded for On battery.
g. Click OK.
h. Click Save changes.
Conserving battery power
To conserve battery power:
●
Select Windows Control Panel > System and Security > Power Options > Power Saver power
plan.
●
Shut down wireless and local area network (LAN) connections and exit modem applications when
you are not using them.
●
Disconnect external devices that are not connected to an external power source when you are not
using them.
●
Stop, disable, or remove any external media cards that you are not using.
●
Press the Decrease Screen Brightness key or Increase Screen Brightness key to adjust screen
brightness as needed.
●
If leaving 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 is unused and disconnected 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.
Using battery power 45