HP ProBook 6440b User Manual page 8

Inserting or removing the battery ....................................................................................... 77
Charging a battery ............................................................................................................. 78
Maximizing battery discharge time .................................................................................... 79
Managing low battery levels .............................................................................................. 79
Calibrating a battery ........................................................................................................... 80
Conserving battery power .................................................................................................. 83
Storing a battery ................................................................................................................ 83
Disposing of a used battery ............................................................................................... 84
Replacing the battery ........................................................................................................ 84
Testing an AC adapter ....................................................................................................................... 85
Shutting down the computer ............................................................................................................... 85
6 Drives
Identifying installed drives .................................................................................................................. 87
Handling drives ................................................................................................................................... 87
Improving hard drive performance ..................................................................................................... 89
Using Disk Defragmenter ................................................................................................... 89
Using Disk Cleanup ........................................................................................................... 89
Using HP 3D DriveGuard ................................................................................................................... 90
Identifying HP 3D DriveGuard status ................................................................................. 90
Using HP 3D DriveGuard software .................................................................................... 91
Replacing a hard drive in the hard drive bay ...................................................................................... 92
Replacing a drive in the upgrade bay ................................................................................................. 95
Removing the protective insert .......................................................................................... 95
Replacing a hard drive ....................................................................................................... 95
Replacing an optical drive .................................................................................................. 98
7 External devices
Using a USB device ......................................................................................................................... 101
Connecting a USB device ................................................................................................ 101
Stopping and removing a USB device ............................................................................. 102
Using USB legacy support ............................................................................................... 102
Using a 1394 device ......................................................................................................................... 103
Connecting a 1394 device ............................................................................................... 103
Stopping and removing a 1394 device ............................................................................ 103
Using a serial device (select models only) ....................................................................................... 105
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Identifying low battery levels ............................................................................. 79
Resolving a low battery level ............................................................................. 80
Resolving a low battery level when external power is available ....... 80
Resolving a low battery level when a charged battery is
available ........................................................................................... 80
Resolving a low battery level when no power source is
available ........................................................................................... 80
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 80
Step 1: Fully charge the battery ........................................................................ 80
Step 2: Disable Hibernation and Sleep ............................................................. 81
Step 3: Discharge the battery ............................................................................ 81
Step 4: Fully recharge the battery ..................................................................... 83
Step 5: Reenable Hibernation and Sleep .......................................................... 83