HP ProBook Notebook PC User Guide - Windows Vista
The optical disc tray does not open for removal of a CD, DVD, or BD ............. 61
The computer does not detect the optical drive ................................................ 62
Preventing playback disruptions ....................................................................... 63
A disc does not play .......................................................................................... 63
A disc does not play automatically .................................................................... 64
A movie stops, skips, or plays erratically .......................................................... 64
A movie is not visible on an external display ..................................................... 64
The process of burning a disc does not begin, or it stops before
completion ......................................................................................................... 64
A device driver must be reinstalled ................................................................... 65
Obtaining the latest HP device drivers ............................................. 65
Obtaining Microsoft device drivers ................................................... 66
Webcam ............................................................................................................................................. 67
Webcam tips ...................................................................................................................... 67
Adjusting webcam properties ............................................................................................. 67
5 Power management ...................................................................................................................................... 69
Setting power options ......................................................................................................................... 69
Using power-saving states ................................................................................................. 69
Initiating and exiting Sleep ................................................................................ 69
Initiating and exiting Hibernation ....................................................................... 70
Using the battery meter ..................................................................................................... 70
Using power plans ............................................................................................................. 70
Viewing the current power plan ......................................................................... 71
Selecting a different power plan ........................................................................ 71
Customizing power plans .................................................................................. 71
Setting password protection on wakeup ............................................................................ 71
Using external AC power .................................................................................................................... 72
Connecting the AC adapter ............................................................................................... 72
Using battery power ........................................................................................................................... 73
Finding battery information in Help and Support ............................................................... 73
Using Battery Check .......................................................................................................... 74
Displaying the remaining battery charge ........................................................................... 74
Inserting or removing the battery ....................................................................................... 74
Charging a battery ............................................................................................................. 75
Maximizing battery discharge time .................................................................................... 76
Managing low battery levels .............................................................................................. 76
Identifying low battery levels ............................................................................. 76
Resolving a low battery level ............................................................................. 78
Resolving a low battery level when external power is available ....... 78
Resolving a low battery level when a charged battery is
available ........................................................................................... 78
Resolving a low battery level when no power source is
available ........................................................................................... 78
viii