HP ProBook 6550b HP ProBook User Guide - Windows 7 - Page 7

Step 2: Disable Hibernation and Sleep, Using Battery Check - webcam not detected

Page 7 highlights

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

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