Troubleshooting
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55
The optical disc tray does not open for removal of a CD, DVD, or BD
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56
The computer does not detect the optical drive
................................................
56
A disc does not play
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57
A disc does not play automatically
....................................................................
57
A movie stops, skips, or plays erratically
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58
A movie is not visible on an external display
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58
The process of burning a disc does not begin, or it stops before
completion
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58
A device driver must be reinstalled
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59
Obtaining the latest HP device drivers
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59
Obtaining Microsoft device drivers
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59
Webcam (select models only)
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61
Adjusting webcam properties
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61
5
Power management
Setting power options
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63
Using power-saving states
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63
Initiating and exiting Sleep
................................................................................
63
Initiating and exiting Hibernation
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64
Using the battery meter
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64
Using power plans
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64
Viewing the current power plan
.........................................................................
65
Selecting a different power plan
........................................................................
65
Customizing power plans
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65
Setting password protection on wakeup
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65
Using Power Assistant (select models only)
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66
Starting Power Assistant
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66
Using external AC power
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66
Connecting the AC adapter
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67
Using battery power
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68
Finding battery information in Help and Support
...............................................................
68
Using Battery Check
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68
Displaying the remaining battery charge
...........................................................................
69
Inserting or removing the battery
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69
Charging a battery
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70
Maximizing battery discharge time
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71
Managing low battery levels
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71
Identifying low battery levels
.............................................................................
71
Resolving a low battery level
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71
Resolving a low battery level when external power is available
.......
71
Resolving a low battery level when a charged battery is
available
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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