HP ProBook 4436s Reference Manual page 6

Audio .................................................................................................................................................. 15
Webcam (select models only) ............................................................................................................ 17
Video .................................................................................................................................................. 17
4 Power management ...................................................................................................................................... 21
Shutting down the computer ............................................................................................................... 21
Setting power options ......................................................................................................................... 22
Using HP Power Assistant (select models only) ................................................................................ 26
Using battery power ........................................................................................................................... 26
Using external AC power .................................................................................................................... 29
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Adjusting the volume ......................................................................................................... 16
Checking audio functions on the computer ........................................................................ 16
VGA ................................................................................................................................... 17
HDMI .................................................................................................................................. 19
Configuring audio for HDMI ............................................................................... 20
Intel Wireless Display (select models only) ....................................................... 20
Using power-saving states ................................................................................................. 22
Initiating and exiting Sleep ................................................................................ 22
Initiating and exiting Hibernation ....................................................................... 23
Using the power meter ....................................................................................................... 23
Using power plans ............................................................................................................. 23
Viewing the current power plan ......................................................................... 23
Selecting a different power plan ........................................................................ 24
Customizing power plans .................................................................................. 24
Setting password protection on wakeup ............................................................................ 25
Finding additional battery information ................................................................................ 26
Using Battery Check .......................................................................................................... 27
Displaying the remaining battery charge ........................................................................... 27
Maximizing battery discharge time .................................................................................... 27
Managing low battery levels .............................................................................................. 27
Identifying low battery levels ............................................................................. 27
Resolving a low battery level ............................................................................. 28
Resolving a low battery level when external power is available ....... 28
Resolving a low battery level when a charged battery is available ... 28
Resolving a low battery level when no power source is available .... 28
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 28
Conserving battery power .................................................................................................. 28
Storing a battery ................................................................................................................ 29
Disposing of a used battery ............................................................................................... 29
Replacing the battery ......................................................................................................... 29