HP Presario 4 Drives, 3 Power management

Stopping an audio CD or a DVD (fn+f10) ..........................................................	21
Playing previous track or section of an audio CD or a DVD (fn+f11) ................	21
Playing next track or section of an audio CD or a DVD (fn+f12) .......................	21
Keypads .............................................................................................................................................	22
Using the embedded numeric keypad ...............................................................................	22
Enabling and disabling the embedded numeric keypad ....................................	22
Switching key functions on the embedded numeric keypad .............................	23
Using an external numeric keypad ....................................................................................	23
Enabling or disabling num lock mode as you work ...........................................	23
3 Power management
Setting power options .........................................................................................................................	24
Using power-saving states .................................................................................................	24
Initiating and exiting Sleep ................................................................................	24
Initiating and exiting Hibernation .......................................................................	25
Using the battery meter .....................................................................................................	25
Using power plans .............................................................................................................	26
Viewing the current power plan .........................................................................	26
Selecting a different power plan ........................................................................	26
Customizing power plans ..................................................................................	26
Setting password protection on wakeup ............................................................................	26
Using battery power ...........................................................................................................................	27
Using Battery Health in Help and Support .........................................................................	27
Displaying the remaining battery charge ...........................................................................	27
Inserting or removing the battery .......................................................................................	28
Charging a battery .............................................................................................................	29
Managing low battery levels ..............................................................................................	29
Identifying low battery levels .............................................................................	29
Resolving a low battery level .............................................................................	30
Resolving a low battery level when external power is available .......	30
Resolving a low battery level when a charged battery is
available ...........................................................................................	30
Resolving a low battery level when no power source is
available ...........................................................................................	30
Resolving a low battery level when the computer cannot exit
Hibernation .......................................................................................	30
Calibrating a battery ...........................................................................................................	30
Step 1: Fully charge the battery ........................................................................	31
Step 2: Disable Hibernation and Sleep .............................................................	31
Step 3: Discharge the battery ............................................................................	32
Step 4: Fully recharge the battery .....................................................................	32
Step 5: Reenable Hibernation and Sleep ..........................................................	32
Conserving battery power ..................................................................................................	33
Storing a battery ................................................................................................................	33
Disposing of a used battery ...............................................................................................	33
Using external AC power ....................................................................................................................	34
Connecting the AC adapter ...............................................................................................	34
Shutting down the computer ...............................................................................................................	35
4 Drives

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