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

Customizing power plans .................................................................................. 56
Setting password protection on wakeup ............................................................................ 56
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
Displaying the remaining battery charge ........................................................................... 60
Inserting or removing the battery ....................................................................................... 60
Charging a battery ............................................................................................................. 61
Managing low battery levels .............................................................................................. 62
Identifying low battery levels ............................................................................. 62
Resolving a low battery level ............................................................................. 62
Resolving a low battery level when external power is available ....... 62
Resolving a low battery level when a charged battery is
available ........................................................................................... 62
Resolving a low battery level when no power source is
available ........................................................................................... 62
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 Sleep ............................................................. 63
Step 3: Discharge the battery ............................................................................ 64
Step 4: Fully recharge the battery ..................................................................... 64
Step 5: Reenable Hibernation and Sleep .......................................................... 64
Conserving battery power .................................................................................................. 65
Storing a battery ................................................................................................................ 65
Disposing of a used battery ............................................................................................... 65
Testing an AC adapter ....................................................................................................................... 66
Shutting down the computer ............................................................................................................... 66
6 Drives ............................................................................................................................................................. 68
Identifying installed drives .................................................................................................................. 68
Handling drives ................................................................................................................................... 68
Improving hard drive performance ..................................................................................................... 70
Using Disk Defragmenter ................................................................................................... 70
Using Disk Cleanup ........................................................................................................... 70
Using HP 3D DriveGuard ................................................................................................................... 71
Identifying HP 3D DriveGuard status ................................................................................. 71
Using HP 3D DriveGuard software .................................................................................... 72
Replacing a hard drive ....................................................................................................................... 73
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