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 external AC power
Connecting the AC adapter .................................................................................................................. 7
Testing an AC adapter ......................................................................................................................... 8
3 Using battery power
Finding battery information in Help and Support ................................................................................ 10
Identifying batteries ............................................................................................................................ 11
Using Battery Check ........................................................................................................................... 12
Displaying the remaining battery charge ............................................................................................ 13
Inserting or removing the battery ........................................................................................................ 14
Charging a battery .............................................................................................................................. 16
Maximizing battery discharge time ..................................................................................................... 17
Managing low battery levels ............................................................................................................... 18
Identifying low battery levels .............................................................................................. 18
Resolving a low battery level ............................................................................................. 19
Resolving a low battery level when external power is available ........................ 19
Resolving a low battery level when a charged battery is available ................... 19
Resolving a low battery level when no power source is available ..................... 19
Resolving a low battery level when the computer cannot exit Hibernation ....... 19
Calibrating a battery ........................................................................................................................... 20
Step 1: Fully charge the battery ......................................................................................... 20
Step 2: Disable Hibernation and Sleep .............................................................................. 20
Step 3: Discharge the battery ............................................................................................ 21
Step 4: Fully recharge the battery ...................................................................................... 22
Step 5: Reenable Hibernation and Sleep .......................................................................... 22
Conserving battery power .................................................................................................................. 23
Storing a battery ................................................................................................................................. 23
Disposing of a used battery ................................................................................................................ 24
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