HP Compaq Presario,Presario C500 User Manual page 4

Keypads ............................................................................................................................................. 22
Using the embedded numeric keypad ............................................................................... 22
Using an external numeric keypad .................................................................................... 23
3 Power management
Setting power options ......................................................................................................................... 24
Using power-saving states ................................................................................................. 24
Using the battery meter ..................................................................................................... 25
Using 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
Calibrating a battery ........................................................................................................... 30
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
iv
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
Enabling and disabling the embedded numeric keypad .................................... 22
Switching key functions on the embedded numeric keypad ............................. 23
Enabling or disabling num lock mode as you work ........................................... 23
Initiating and exiting Sleep ................................................................................ 24
Initiating and exiting Hibernation ....................................................................... 25
Viewing the current power plan ......................................................................... 26
Selecting a different power plan ........................................................................ 26
Customizing power plans .................................................................................. 26
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
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
ENWW