HP ProBook 4320s Notebook-PC - Manual (Page 9)

Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 78
Calibrating a battery ........................................................................................................... 78
Step 1: Fully charge the battery ........................................................................ 78
Step 2: Disable Hibernation and Standby ......................................................... 79
Step 3: Discharge the battery ............................................................................ 79
Step 4: Fully recharge the battery ..................................................................... 80
Step 5: Reenable Hibernation and Standby ...................................................... 80
Conserving battery power .................................................................................................. 80
Storing a battery ................................................................................................................ 80
Disposing of a used battery ............................................................................................... 81
Replacing the battery ......................................................................................................... 81
Testing an AC adapter ....................................................................................................................... 82
Shutting down the computer ............................................................................................................... 82
6 Drives ............................................................................................................................................................. 84
Identifying installed drives .................................................................................................................. 84
Handling drives ................................................................................................................................... 84
Improving hard drive performance ..................................................................................................... 85
Using Disk Defragmenter ................................................................................................... 85
Using Disk Cleanup ........................................................................................................... 85
Using HP 3D DriveGuard ................................................................................................................... 86
Identifying HP 3D DriveGuard status ................................................................................. 86
Using HP 3D DriveGuard software .................................................................................... 86
Using external drives .......................................................................................................................... 88
Using optional external devices ......................................................................................... 88
Replacing the hard drive .................................................................................................................... 89
7 External devices .......................................................................................................................................... 103
Using a USB device ......................................................................................................................... 103
Connecting a USB device ................................................................................................ 103
Stopping and removing a USB device ............................................................................. 103
Using USB legacy support ............................................................................................... 104
Using an eSATA device ................................................................................................................... 105
Connecting an eSATA device .......................................................................................... 105
Stopping and removing an eSATA device ....................................................................... 105
Using external drives ........................................................................................................................ 107
Using optional external devices ....................................................................................... 107
8 External media cards .................................................................................................................................. 108
Using Media Card Reader cards ...................................................................................................... 108
Inserting a digital card ...................................................................................................... 108
Stopping and removing a digital card .............................................................................. 109
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