Initiating and exiting Hibernation ....................................................................... 41
Using the power meter ....................................................................................................... 42
Using power plans ............................................................................................................. 42
Viewing the current power plan ......................................................................... 42
Selecting a different power plan ........................................................................ 42
Customizing power plans .................................................................................. 43
Setting password protection on wakeup ............................................................................ 43
Using HP Power Manager (select models only) ................................................................................. 44
Using battery power ........................................................................................................................... 44
Finding battery information ................................................................................................ 45
Using Battery Check .......................................................................................................... 45
Displaying the remaining battery charge ........................................................................... 45
Maximizing battery discharge time .................................................................................... 46
Managing low battery levels .............................................................................................. 46
Identifying low battery levels ............................................................................. 46
Resolving a low battery level ............................................................................. 47
Resolving a low battery level when external power is available ....... 47
Resolving a low battery level when a charged battery is available ... 47
Resolving a low battery level when no power source is available .... 47
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 47
Conserving battery power .................................................................................................. 47
Storing a battery ................................................................................................................ 48
Disposing of a used battery ............................................................................................... 48
Replacing the battery ......................................................................................................... 48
Using external AC power .................................................................................................................... 49
Testing an AC adapter ....................................................................................................... 50
HP CoolSense .................................................................................................................................... 51
Refreshing your software content ....................................................................................................... 51
Switchable graphics/dual graphics (select models only) .................................................................... 51
Using switchable graphics (select models only) ................................................................ 52
Using dual graphics (select models only) .......................................................................... 52
7 External cards and devices .......................................................................................................................... 53
Using Digital Media Slot cards (select models only) .......................................................................... 53
Inserting a digital card ........................................................................................................ 53
Removing a digital card ..................................................................................................... 54
Using a USB device ........................................................................................................................... 55
Connecting a USB device .................................................................................................. 55
Removing a USB device .................................................................................................... 56
Using optional external devices .......................................................................................................... 56
vii