HP ProBook 4230s Notebook PC - Manual (Page 7)

Changing the current power management settings .......................................... 35
Using battery power ........................................................................................................................... 36
Displaying the remaining battery charge ........................................................................... 36
Inserting or removing the battery ....................................................................................... 37
Charging a battery ............................................................................................................. 38
Maximizing battery life ....................................................................................................... 39
Managing low battery levels .............................................................................................. 39
Identifying low battery levels ............................................................................. 39
Resolving a low battery level ............................................................................. 40
Resolving a low battery level when external power is available ....... 40
Resolving a low battery level when a charged battery is available ... 40
Resolving a low battery level when no power source is available .... 40
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 40
Conserving battery power .................................................................................................. 40
Storing a battery ................................................................................................................ 40
Disposing of a used battery ............................................................................................... 41
Replacing the battery ......................................................................................................... 41
Using external AC power .................................................................................................................... 41
Testing an AC adapter ....................................................................................................... 42
7 Drives ............................................................................................................................................................. 43
Handling drives ................................................................................................................................... 43
Replacing or upgrading the hard drive ............................................................................................... 44
Removing the hard drive .................................................................................................... 44
Installing a hard drive ......................................................................................................... 46
8 External cards and devices .......................................................................................................................... 48
Using Digital Media Slot cards (select models only) .......................................................................... 48
Inserting a digital card ........................................................................................................ 48
Removing a digital card ..................................................................................................... 49
Using a USB device ........................................................................................................................... 50
Connecting a USB device .................................................................................................. 51
Removing a USB device .................................................................................................... 51
Using optional external devices .......................................................................................................... 52
Using optional external drives ............................................................................................ 52
9 Memory modules .......................................................................................................................................... 53
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