HP ProBook 4740s Notebook-PC - Manual (Page 7)

Inserting or removing the battery ....................................................................................... 43
Charging a battery ............................................................................................................. 44
Maximizing battery life ....................................................................................................... 45
Managing low battery levels .............................................................................................. 45
Identifying low battery levels ............................................................................. 45
Resolving a low battery level ............................................................................. 46
Resolving a low battery level when external power is available ....... 46
Resolving a low battery level when a charged battery is available ... 46
Resolving a low battery level when no power source is available .... 46
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 46
Conserving battery power .................................................................................................. 46
Storing a battery ................................................................................................................ 46
Disposing of a used battery ............................................................................................... 47
Replacing the battery ......................................................................................................... 47
Using external AC power .................................................................................................................... 47
Testing an AC adapter ....................................................................................................... 48
7 Drives ............................................................................................................................................................. 49
Handling drives ................................................................................................................................... 49
Using the optional security screw ....................................................................................................... 50
Removing or replacing the service door ............................................................................................. 50
Removing the service door ................................................................................................ 51
Replacing the service door ................................................................................................ 51
Replacing or upgrading the hard drive ............................................................................................... 53
Removing the hard drive .................................................................................................... 53
Installing a hard drive ......................................................................................................... 55
Using optical drives (select models only) ........................................................................................... 57
Identifying the installed optical drive .................................................................................. 57
Inserting an optical disc ..................................................................................................... 57
Tray-load ........................................................................................................... 57
Removing an optical disc ................................................................................................... 58
Tray-load ........................................................................................................... 58
When the disc tray opens normally .................................................. 58
When the disc tray fails to open ....................................................... 59
8 External cards and devices .......................................................................................................................... 60
Using Media Card Reader cards (select models only) ....................................................................... 60
Inserting a digital card ........................................................................................................ 60
Removing a digital card ..................................................................................................... 60
Using a USB device ........................................................................................................................... 61
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