HP VZ243AV manual Power management

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

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