HP ProBook 6445b Notebook-PC - Manual (Page 8)

Managing low battery levels .............................................................................................. 78
Identifying low battery levels ............................................................................. 78
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
Calibrating a battery ........................................................................................................... 80
Step 1: Fully charge the battery ........................................................................ 80
Step 2: Disable Hibernation and Standby ......................................................... 81
Step 3: Discharge the battery ............................................................................ 81
Step 4: Fully recharge the battery ..................................................................... 82
Step 5: Reenable Hibernation and Standby ...................................................... 82
Conserving battery power .................................................................................................. 82
Storing a battery ................................................................................................................ 82
Disposing of a used battery ............................................................................................... 83
Replacing the battery ........................................................................................................ 83
Testing an AC adapter ....................................................................................................................... 84
Shutting down the computer ............................................................................................................... 84
6 Drives
Identifying installed drives .................................................................................................................. 85
Handling drives ................................................................................................................................... 85
Improving hard drive performance ..................................................................................................... 87
Using Disk Defragmenter ................................................................................................... 87
Using Disk Cleanup ........................................................................................................... 87
Using HP 3D DriveGuard ................................................................................................................... 88
Identifying HP 3D DriveGuard status ................................................................................. 88
Using HP 3D DriveGuard software .................................................................................... 88
Replacing a hard drive in the hard drive bay ...................................................................................... 90
Replacing a drive in the upgrade bay ................................................................................................. 93
Removing the protective insert .......................................................................................... 93
Replacing a hard drive ....................................................................................................... 93
Replacing an optical drive .................................................................................................. 96
7 External devices
Using a USB device ........................................................................................................................... 99
Connecting a USB device .................................................................................................. 99
Stopping and removing a USB device ............................................................................. 100
Using USB legacy support ............................................................................................... 100
Using a 1394 device ......................................................................................................................... 101
Connecting a 1394 device ............................................................................................... 101
Stopping and removing a 1394 device ............................................................................ 101
Using a serial device (select models only) ....................................................................................... 103
Using external drives ........................................................................................................................ 104
Using optional external devices ....................................................................................... 104
Using a docking device .................................................................................................................... 105
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