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

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

Page 7 highlights

Troubleshooting ...55 The optical disc tray does not open for removal of a CD, DVD, or BD 56 The computer does not detect the optical drive 56 A disc does not play 57 A disc does not play automatically 57 A movie stops, skips, or plays erratically 58 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 59 Obtaining the latest HP device drivers 59 Obtaining Microsoft device drivers 59 Webcam (select models only) ...61 Adjusting webcam properties 61 5 Power management Setting power options ...63 Using power-saving states 63 Initiating and exiting Sleep 63 Initiating and exiting Hibernation 64 Using the battery meter ...64 Using power plans ...64 Viewing the current power plan 65 Selecting a different power plan 65 Customizing power plans 65 Setting password protection on wakeup 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 Finding battery information in Help and Support 68 Using Battery Check ...68 Displaying the remaining battery charge 69 Inserting or removing the battery 69 Charging a battery ...70 Maximizing battery discharge time 71 Managing low battery levels 71 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 72 Resolving a low battery level when no power source is available 72 Resolving a low battery level when the computer cannot exit Hibernation 72 Calibrating a battery ...72 Step 1: Fully charge the battery 72 Step 2: Disable Hibernation and Sleep 73 vii

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Troubleshooting
.................................................................................................................
55
The optical disc tray does not open for removal of a CD, DVD, or BD
.............
56
The computer does not detect the optical drive
................................................
56
A disc does not play
..........................................................................................
57
A disc does not play automatically
....................................................................
57
A movie stops, skips, or plays erratically
..........................................................
58
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
...................................................................
59
Obtaining the latest HP device drivers
.............................................
59
Obtaining Microsoft device drivers
...................................................
59
Webcam (select models only)
............................................................................................................
61
Adjusting webcam properties
.............................................................................................
61
5
Power management
Setting power options
.........................................................................................................................
63
Using power-saving states
.................................................................................................
63
Initiating and exiting Sleep
................................................................................
63
Initiating and exiting Hibernation
.......................................................................
64
Using the battery meter
.....................................................................................................
64
Using power plans
.............................................................................................................
64
Viewing the current power plan
.........................................................................
65
Selecting a different power plan
........................................................................
65
Customizing power plans
..................................................................................
65
Setting password protection on wakeup
............................................................................
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
Finding battery information in Help and Support
...............................................................
68
Using Battery Check
..........................................................................................................
68
Displaying the remaining battery charge
...........................................................................
69
Inserting or removing the battery
.......................................................................................
69
Charging a battery
.............................................................................................................
70
Maximizing battery discharge time
....................................................................................
71
Managing low battery levels
..............................................................................................
71
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
...........................................................................................
72
Resolving a low battery level when no power source is
available
...........................................................................................
72
Resolving a low battery level when the computer cannot exit
Hibernation
.......................................................................................
72
Calibrating a battery
...........................................................................................................
72
Step 1: Fully charge the battery
........................................................................
72
Step 2: Disable Hibernation and Sleep
.............................................................
73
vii