HP ProBook VZ243AV 5 Power management

Troubleshooting .................................................................................................................	56
The optical disc tray does not open for removal of a CD, DVD, or BD .............	56
The computer does not detect the optical drive ................................................	57
A disc does not play ..........................................................................................	58
A disc does not play automatically ....................................................................	59
A movie stops, skips, or plays erratically ..........................................................	59
A movie is not visible on an external display .....................................................	59
The process of burning a disc does not begin, or it stops before
completion .........................................................................................................	59
A device driver must be reinstalled ...................................................................	60
Obtaining the latest HP device drivers .............................................	60
Obtaining Microsoft device drivers ...................................................	60
Webcam (select models only) ............................................................................................................	62
Adjusting webcam properties .............................................................................................	62
5 Power management
Setting power options .........................................................................................................................	64
Using power-saving states .................................................................................................	64
Initiating and exiting Sleep ................................................................................	64
Initiating and exiting Hibernation .......................................................................	65
Using the battery meter .....................................................................................................	65
Using power plans .............................................................................................................	65
Viewing the current power plan .........................................................................	66
Selecting a different power plan ........................................................................	66
Customizing power plans ..................................................................................	66
Setting password protection on wakeup ............................................................................	66
Using Power Assistant (select models only) ......................................................................................	67
Starting Power Assistant ....................................................................................................	67
Using external AC power ....................................................................................................................	67
Connecting the AC adapter ...............................................................................................	68
Using battery power ...........................................................................................................................	69
Finding battery information in Help and Support ...............................................................	69
Using Battery Check ..........................................................................................................	69
Displaying the remaining battery charge ...........................................................................	70
Inserting or removing the battery .......................................................................................	70
Charging a battery .............................................................................................................	71
Maximizing battery discharge time ....................................................................................	72
Managing low battery levels ..............................................................................................	72
Identifying low battery levels .............................................................................	72
Resolving a low battery level .............................................................................	73
Resolving a low battery level when external power is available .......	73
Resolving a low battery level when a charged battery is
available ...........................................................................................	73
Resolving a low battery level when no power source is
available ...........................................................................................	73
Resolving a low battery level when the computer cannot exit
Hibernation .......................................................................................	73
Calibrating a battery ...........................................................................................................	73
Step 1: Fully charge the battery ........................................................................	73
Step 2: Disable Hibernation and Sleep .............................................................	74

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