HP ProBook 6555b Notebook-PC - Manual (Page 7)

The optical disc tray does not open for removal of a CD, DVD, or BD ............. 55
The computer does not detect the optical drive ................................................ 56
A disc does not play .......................................................................................... 56
A disc does not play automatically .................................................................... 57
A movie stops, skips, or plays erratically .......................................................... 57
A movie is not visible on an external display ..................................................... 58
The process of burning a disc does not begin, or it stops before
completion ......................................................................................................... 58
A device driver must be reinstalled ................................................................... 58
Obtaining the latest HP device drivers ............................................. 58
Obtaining Microsoft device drivers ................................................... 59
Webcam (select models only) ............................................................................................................ 60
Adjusting webcam properties ............................................................................................. 60
5 Power management
Setting power options ......................................................................................................................... 62
Using power-saving states ................................................................................................. 62
Initiating and exiting Standby ............................................................................ 62
Initiating and exiting Hibernation ....................................................................... 63
Using the Power Meter ...................................................................................................... 63
Using power schemes ....................................................................................................... 64
Viewing the current scheme .............................................................................. 64
Selecting a different power scheme .................................................................. 64
Customizing power schemes ............................................................................ 65
Setting password protection upon exiting Standby ............................................................ 65
Using Power Assistant (select models only) ...................................................................................... 66
Starting Power Assistant .................................................................................................... 66
Using external AC power .................................................................................................................... 66
Connecting the AC adapter ............................................................................................... 67
Using battery power ........................................................................................................................... 68
Displaying the remaining battery charge ........................................................................... 68
Inserting or removing the battery ....................................................................................... 68
Charging a battery ............................................................................................................. 69
Maximizing battery discharge time .................................................................................... 70
Managing low battery levels .............................................................................................. 70
Identifying low battery levels ............................................................................. 71
Resolving a low battery level ............................................................................. 71
Resolving a low battery level when external power is available ....... 71
Resolving a low battery level when a charged battery is
available ........................................................................................... 71
Resolving a low battery level when no power source is
available ........................................................................................... 71
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 71
Calibrating a battery ........................................................................................................... 72
Step 1: Fully charge the battery ........................................................................ 72
Step 2: Disable Hibernation and Standby ......................................................... 72
Step 3: Discharge the battery ............................................................................ 73
Step 4: Fully recharge the battery ..................................................................... 74
Step 5: Reenable Hibernation and Standby ...................................................... 74
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