Compaq Presario CQ41-200 - Notebook PC User Manual page 8

Using external AC power .................................................................................................................... 60
Connecting the AC adapter ............................................................................................... 61
Testing an AC adapter ....................................................................................................... 62
Using battery power ........................................................................................................................... 63
Finding battery information in Help and Support ............................................................... 63
Using Battery Check .......................................................................................................... 63
Displaying the remaining battery charge ........................................................................... 64
Inserting or removing the battery ....................................................................................... 64
Charging a battery ............................................................................................................. 65
Maximizing battery discharge time .................................................................................... 66
Managing low battery levels .............................................................................................. 66
Calibrating a battery ........................................................................................................... 68
Conserving battery power .................................................................................................. 70
Storing a battery ................................................................................................................ 70
Disposing of a used battery ............................................................................................... 70
Replacing the battery ......................................................................................................... 70
Shutting down the computer ............................................................................................................... 71
6 Drives
Handling drives ................................................................................................................................... 72
Optical drive ....................................................................................................................................... 73
Identifying the installed optical drive .................................................................................. 73
Using optical discs ............................................................................................................. 74
Selecting the right disc ....................................................................................................... 75
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Identifying low battery levels ............................................................................. 66
Resolving a low battery level ............................................................................. 67
Resolving a low battery level when external power is available ....... 67
Resolving a low battery level when a charged battery is
available ........................................................................................... 67
Resolving a low battery level when no power source is
available ........................................................................................... 67
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 67
Step 1: Fully charge the battery ........................................................................ 68
Step 2: Disable Hibernation and Sleep ............................................................. 68
Step 3: Discharge the battery ............................................................................ 69
Step 4: Fully recharge the battery ..................................................................... 69
Step 5: Reenable Hibernation and Sleep .......................................................... 69
CD-R discs ........................................................................................................ 75
CD-RW discs ..................................................................................................... 75
DVD±R discs ..................................................................................................... 75
DVD±RW discs ................................................................................................. 75
LightScribe DVD+R discs .................................................................................. 76
Blu-ray Disc ....................................................................................................... 76