A movie stops, skips, or plays erratically ........................................................................... 44
A movie is not visible on an external display ..................................................................... 44
The process of burning a disc does not begin, or it stops before completion .................... 44
A DVD or BD playing in Windows Media Player produces no sound or display ................ 45
A device driver must be reinstalled .................................................................................... 45
Obtaining the latest HP device drivers .............................................................. 45
Obtaining the latest Windows device drivers .................................................... 46
5 Power management ...................................................................................................................................... 47
Setting power options ......................................................................................................................... 47
Using power-saving states ................................................................................................. 47
Initiating and exiting Sleep ................................................................................ 47
Initiating and exiting Hibernation ....................................................................... 48
Using the battery meter ..................................................................................................... 48
Using power plans ............................................................................................................. 48
Viewing the current power plan ......................................................................... 49
Selecting a different power plan ........................................................................ 49
Customizing power plans .................................................................................. 49
Setting password protection on wakeup ............................................................................ 49
Using external AC power .................................................................................................................... 49
Connecting the AC adapter ............................................................................................... 50
Testing an AC adapter ....................................................................................................... 51
Using battery power ........................................................................................................................... 51
Identifying batteries ............................................................................................................ 52
Finding battery information in Help and Support ............................................................... 52
Using Battery Check .......................................................................................................... 52
Displaying the remaining battery charge ........................................................................... 52
Inserting or removing the battery ....................................................................................... 52
Charging a battery ............................................................................................................. 53
Maximizing battery discharge time .................................................................................... 54
Managing low battery levels .............................................................................................. 54
Identifying low battery levels ............................................................................. 54
Resolving a low battery level ............................................................................. 56
Resolving a low battery level when external power is available ....... 56
Resolving a low battery level when a charged battery is available ... 56
Resolving a low battery level when no power source is available .... 56
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 56
Calibrating a battery ........................................................................................................... 56
Step 1: Fully charge the battery ........................................................................ 56
Step 2: Disable Hibernation and Sleep ............................................................. 57
Step 3: Discharge the battery ............................................................................ 57
Step 4: Fully recharge the battery ..................................................................... 59
Step 5: Reenable Hibernation and Sleep .......................................................... 59
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