HP EliteBook 8740w Mobile Workstation - Manual (Page 8)

Viewing the current scheme .............................................................................. 56
Selecting a different power scheme .................................................................. 56
Customizing power schemes ............................................................................ 56
Setting password protection upon exiting Standby ............................................................ 56
Using Power Assistant (select models only) ...................................................................................... 57
Starting Power Assistant .................................................................................................... 57
Using external AC power .................................................................................................................... 57
Connecting the AC adapter ............................................................................................... 58
Using battery power ........................................................................................................................... 58
Displaying the remaining battery charge ........................................................................... 59
Inserting or removing the battery ....................................................................................... 59
Charging a battery ............................................................................................................. 60
Maximizing battery discharge time .................................................................................... 61
Managing low battery levels .............................................................................................. 61
Identifying low battery levels ............................................................................. 61
Resolving a low battery level ............................................................................. 63
Resolving a low battery level when external power is available ....... 63
Resolving a low battery level when a charged battery is
available ........................................................................................... 63
Resolving a low battery level when no power source is
available ........................................................................................... 63
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 63
Calibrating a battery ........................................................................................................... 63
Step 1: Fully charge the battery ........................................................................ 63
Step 2: Disable Hibernation and Standby ......................................................... 64
Step 3: Discharge the battery ............................................................................ 64
Step 4: Fully recharge the battery ..................................................................... 65
Step 5: Reenable Hibernation and Standby ...................................................... 65
Conserving battery power .................................................................................................. 65
Storing a battery ................................................................................................................ 65
Disposing of a used battery ............................................................................................... 65
Replacing the battery ......................................................................................................... 66
Testing an AC adapter ....................................................................................................................... 66
Shutting down the computer ............................................................................................................... 66
6 Drives ............................................................................................................................................................. 68
Identifying installed drives .................................................................................................................. 68
Handling drives ................................................................................................................................... 68
Improving hard drive performance ..................................................................................................... 69
Using Disk Defragmenter ................................................................................................... 69
Using Disk Cleanup ........................................................................................................... 69
Using HP 3D DriveGuard ................................................................................................................... 69
Identifying HP 3D DriveGuard status ................................................................................. 70
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