Manual

6 Power management
Setting power devices ........................................................................................................................ 41
Using power-saving states ................................................................................................. 41
Initiating and exiting Sleep ................................................................................ 41
Initiating and exiting Hibernation ....................................................................... 42
Conserving power .............................................................................................................. 42
Using the battery meter ..................................................................................................... 42
Using power plans ............................................................................................................. 43
Viewing the current power plan ......................................................................... 43
Selecting a different power plan ........................................................................ 43
Customizing power plans .................................................................................. 43
Setting password protection on wakeup ............................................................................ 44
Using external AC power .................................................................................................................... 45
Connecting AC power ........................................................................................................ 45
Testing an AC adapter ....................................................................................................... 46
Using battery power ........................................................................................................................... 47
Identifying batteries ............................................................................................................ 47
Finding battery information in Help and Support ............................................................... 47
Using Battery Check .......................................................................................................... 47
Displaying the remaining battery charge ........................................................................... 48
Removing or inserting the primary battery ......................................................................... 48
Charging a battery ............................................................................................................. 49
Maximizing battery discharge time .................................................................................... 50
Managing low battery levels .............................................................................................. 50
Identifying low battery levels ............................................................................. 50
Resolving a low battery level ............................................................................. 51
Resolving a low battery level when external power is available ....... 51
Resolving a low battery level when a charged battery is
available ........................................................................................... 51
Resolving a low battery level when no power source is
available ........................................................................................... 51
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 51
Using the accessory battery (select models only) ............................................................. 51
Identifying the accessory battery components .................................................. 52
Inserting or removing an accessory battery ...................................................... 52
Battery charging and discharging sequence .................................................... 54
Calibrating a battery ........................................................................................................... 54
Storing a battery ................................................................................................................ 55
Disposing of a used battery ............................................................................................... 55
Replacing the battery ......................................................................................................... 55
Shutting down the computer ............................................................................................................... 56
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