HP ProBook 5220m Notebook PC - Manual (Page 8)

Customizing power schemes ............................................................................ 56
Setting password protection upon exiting Standby ............................................................ 57
Using HP Power Assistant ................................................................................................................. 57
Starting HP Power Assistant .............................................................................................. 57
Using external AC power .................................................................................................................... 58
Connecting the AC adapter ............................................................................................... 58
Using battery power ........................................................................................................................... 59
Finding battery information in Help and Support ............................................................... 59
Using Battery Check .......................................................................................................... 59
Displaying the remaining battery charge ........................................................................... 60
Inserting or removing the battery ....................................................................................... 60
Charging a battery ............................................................................................................. 62
Maximizing battery discharge time .................................................................................... 62
Managing low battery levels .............................................................................................. 62
Identifying low battery levels ............................................................................. 63
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 ........................................................................................................... 64
Step 1: Fully charge the battery ........................................................................ 64
Step 2: Disable Hibernation and Standby ......................................................... 64
Step 3: Discharge the battery ............................................................................ 65
Step 4: Fully recharge the battery ..................................................................... 66
Step 5: Reenable Hibernation and Standby ...................................................... 66
Conserving battery power .................................................................................................. 66
Storing a battery ................................................................................................................ 66
Disposing of a used battery ............................................................................................... 67
Replacing the battery ......................................................................................................... 67
Testing an AC adapter ....................................................................................................................... 68
Shutting down the computer ............................................................................................................... 68
6 Drives ............................................................................................................................................................. 69
Identifying installed drives .................................................................................................................. 69
Handling drives ................................................................................................................................... 69
Improving hard drive performance ..................................................................................................... 71
Using Disk Defragmenter ................................................................................................... 71
Using Disk Cleanup ........................................................................................................... 71
Using HP 3D DriveGuard ................................................................................................................... 72
Identifying HP 3D DriveGuard status ................................................................................. 72
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