HP Envy 15-1270 User Manual page 7

Using the webcam IR lights ............................................................................................... 41
6 Power management
Setting power devices ........................................................................................................................ 43
Using power-saving states ................................................................................................. 43
Conserving power .............................................................................................................. 44
Using the battery meter ..................................................................................................... 44
Using power plans ............................................................................................................. 45
Setting password protection on wakeup ............................................................................ 46
Using external AC power .................................................................................................................... 47
Connecting AC power ........................................................................................................ 47
Testing an AC adapter ....................................................................................................... 48
Using battery power ........................................................................................................................... 49
Identifying batteries ............................................................................................................ 49
Finding battery information in Help and Support ............................................................... 49
Using Battery Check .......................................................................................................... 49
Displaying the remaining battery charge ........................................................................... 50
Removing or inserting the primary battery ......................................................................... 50
Charging a battery ............................................................................................................. 51
Maximizing battery discharge time .................................................................................... 52
Managing low battery levels .............................................................................................. 52
Using the accessory battery (select models only) ............................................................. 53
Calibrating a battery ........................................................................................................... 56
Storing a battery ................................................................................................................ 57
Disposing of a used battery ............................................................................................... 57
Replacing the battery ......................................................................................................... 57
Shutting down the computer ............................................................................................................... 58
Initiating and exiting Sleep ................................................................................ 43
Initiating and exiting Hibernation ....................................................................... 44
Viewing the current power plan ......................................................................... 45
Selecting a different power plan ........................................................................ 45
Customizing power plans .................................................................................. 45
Identifying low battery levels ............................................................................. 52
Resolving a low battery level ............................................................................. 53
Resolving a low battery level when external power is available ....... 53
Resolving a low battery level when a charged battery is
available ........................................................................................... 53
Resolving a low battery level when no power source is
available ........................................................................................... 53
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 53
Identifying the accessory battery components .................................................. 54
Inserting or removing an accessory battery ...................................................... 54
Battery charging and discharging sequence .................................................... 56
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