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Table of contents
1 Setting power options
Using power-saving states ................................................................................................................... 1
Initiating and exiting Sleep ................................................................................................... 1
Initiating and exiting Hibernation .......................................................................................... 2
Using the battery meter ........................................................................................................................ 3
Using power plans ................................................................................................................................ 4
Viewing the current power plan ........................................................................................... 4
Selecting a different power plan .......................................................................................... 4
Customizing power plans ..................................................................................................... 4
Setting password protection on wakeup ............................................................................................... 5
2 Using battery power
Finding battery information in Help and Support .................................................................................. 7
Displaying the remaining battery charge .............................................................................................. 8
Inserting or removing the battery .......................................................................................................... 9
Charging a battery .............................................................................................................................. 10
Managing low battery levels ............................................................................................................... 11
Identifying low battery levels .............................................................................................. 11
Resolving a low battery level ............................................................................................. 12
Resolving a low battery level when external power is available ........................ 12
Resolving a low battery level when a charged battery is available ................... 12
Resolving a low battery level when no power source is available ..................... 12
Resolving a low battery level when the computer cannot exit Hibernation ....... 12
Calibrating a battery ........................................................................................................................... 13
Step 1: Fully charge the battery ........................................................................................ 13
Step 2: Disable Hibernation and Sleep .............................................................................. 13
Step 3: Discharge the battery ............................................................................................ 14
Step 4: Fully recharge the battery ...................................................................................... 15
Step 5: Reenable Hibernation and Sleep .......................................................................... 15
Conserving battery power .................................................................................................................. 16
Storing a battery ................................................................................................................................. 17
Disposing of a used battery ................................................................................................................ 18
3 Using external AC power
Connecting the AC adapter ................................................................................................................ 20
4 Shutting down the computer
ENWW iii