HP Notebook Reference Guide - Windows 7 and Windows Vista
Audio .................................................................................................................................................. 15 
Adjusting the volume ......................................................................................................... 16 
Checking audio functions on the computer ........................................................................ 16 
Webcam (select models only) ............................................................................................................ 18 
Video .................................................................................................................................................. 19 
VGA ................................................................................................................................... 19 
HDMI .................................................................................................................................. 20 
Configuring audio for HDMI ............................................................................... 20 
Intel Wireless Display (select models only) ....................................................... 21 
4 Power management ...................................................................................................................................... 22 
Shutting down the computer ............................................................................................................... 22 
Setting power options ......................................................................................................................... 23 
Using power-saving states ................................................................................................. 23 
Initiating and exiting Sleep ................................................................................ 23 
Initiating and exiting Hibernation ....................................................................... 23 
Using the power meter ....................................................................................................... 24 
Using power plans ............................................................................................................. 24 
Viewing the current power plan ......................................................................... 24 
Selecting a different power plan ........................................................................ 24 
Customizing power plans .................................................................................. 25 
Setting password protection on wakeup ............................................................................ 25 
Using Power Assistant (select models only) ...................................................................................... 27 
Using battery power ........................................................................................................................... 27 
Finding additional battery information ................................................................................ 27 
Using Battery Check .......................................................................................................... 28 
Displaying the remaining battery charge ........................................................................... 28 
Maximizing battery discharge time .................................................................................... 28 
Managing low battery levels .............................................................................................. 28 
Identifying low battery levels ............................................................................. 28 
Resolving a low battery level ............................................................................. 29 
Resolving a low battery level when external power is available ....... 29 
Resolving a low battery level when a charged battery is available ... 29 
Resolving a low battery level when no power source is available .... 29 
Resolving a low battery level when the computer cannot exit 
Hibernation ....................................................................................... 29 
Conserving battery power .................................................................................................. 29 
Storing a battery ................................................................................................................ 30 
Disposing of a used battery ............................................................................................... 30 
Replacing the battery ......................................................................................................... 30 
Using external AC power .................................................................................................................... 30 
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