HP Presario CQ36-100 - Notebook PC User Manual page 7

The computer does not detect the optical drive ................................................................. 49
A disc does not play ........................................................................................................... 50
A disc does not play automatically ..................................................................................... 51
A movie stops, skips, or plays erratically ........................................................................... 51
A movie is not visible on an external display ..................................................................... 51
The process of burning a disc does not begin, or it stops before completion .................... 51
A DVD playing in Windows Media Player produces no sound or picture .......................... 52
A device driver must be reinstalled .................................................................................... 52
5 Power management
Setting power options ......................................................................................................................... 54
Using power-saving states ................................................................................................. 54
Using the battery meter ..................................................................................................... 55
Using power plans ............................................................................................................. 56
Setting password protection on wakeup ............................................................................ 56
Using external AC power .................................................................................................................... 57
Connecting the AC adapter ............................................................................................... 57
Testing an AC adapter ....................................................................................................... 58
Using battery power ........................................................................................................................... 58
Identifying batteries ............................................................................................................ 59
Finding battery information in Help and Support ............................................................... 59
Using Battery Check .......................................................................................................... 59
Displaying the remaining battery charge ........................................................................... 59
Inserting or removing the battery ....................................................................................... 60
Charging a battery ............................................................................................................. 61
Maximizing battery discharge time .................................................................................... 62
Managing low battery levels .............................................................................................. 62
Calibrating a battery ........................................................................................................... 63
Obtaining the latest HP device drivers .............................................................. 52
Obtaining the latest Windows device drivers .................................................... 53
Initiating and exiting Sleep ................................................................................ 54
Initiating and exiting Hibernation ....................................................................... 55
Viewing the current power plan ......................................................................... 56
Selecting a different power plan ........................................................................ 56
Customizing power plans .................................................................................. 56
Identifying low battery levels ............................................................................. 62
Resolving a low battery level ............................................................................. 62
Resolving a low battery level when external power is available ....... 63
Resolving a low battery level when a charged battery is
available ........................................................................................... 63
Resolving a low battery level when no power source is
available ........................................................................................... 63
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 63
vii