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Obtaining the latest HP device drivers .............................................................. 41
Obtaining the latest Windows device drivers .................................................... 41
5 Power management ...................................................................................................................................... 42
Setting power options ......................................................................................................................... 42
Using power-saving states ................................................................................................. 42
Initiating and exiting Sleep ................................................................................ 42
Initiating and exiting Hibernation ....................................................................... 43
Using the battery meter ..................................................................................................... 43
Using power plans ............................................................................................................. 43
Viewing the current power plan ......................................................................... 43
Selecting a different power plan ........................................................................ 44
Customizing power plans .................................................................................. 44
Setting password protection on wakeup ............................................................................ 44
Using external AC power .................................................................................................................... 44
Connecting the AC adapter ............................................................................................... 45
Testing an AC adapter ....................................................................................................... 46
Using battery power ........................................................................................................................... 46
Identifying batteries ............................................................................................................ 46
Finding battery information in Help and Support ............................................................... 47
Using Battery Check .......................................................................................................... 47
Displaying the remaining battery charge ........................................................................... 47
Inserting or removing the battery ....................................................................................... 47
Charging a battery ............................................................................................................. 48
Maximizing battery discharge time .................................................................................... 49
Managing low battery levels .............................................................................................. 49
Identifying low battery levels ............................................................................. 49
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
Calibrating a battery ........................................................................................................... 51
Step 1: Fully charge the battery ........................................................................ 51
Step 2: Disable Hibernation and Sleep ............................................................. 52
Step 3: Discharge the battery ............................................................................ 52
Step 4: Fully recharge the battery ..................................................................... 53
Step 5: Reenable Hibernation and Sleep .......................................................... 53
Conserving battery power .................................................................................................. 53
Storing a battery ................................................................................................................ 53
Disposing of a used battery ............................................................................................... 54
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