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HP Pavilion dv6 User Guide - Page 74

Testing an AC adapter, Using battery power - function keys

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3. Plug the other end of the power cord into an AC outlet (3). Testing an AC adapter Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to AC power: ● The computer does not turn on. ● The display does not turn on. ● The power light is off. To test the AC adapter: 1. Remove the battery from the computer. 2. Connect the AC adapter to the computer, and then plug it into an AC outlet. 3. Turn on the computer. ● If the power lights turn on, the AC adapter is functioning properly. ● If the power light remains off, the AC adapter is not functioning and should be replaced. Contact technical support for information on obtaining a replacement AC power adapter. Select Start > Help and Support > Get assistance. Using battery power When a charged battery is in the computer and the computer is not plugged into external power, the computer runs on battery power. When a charged battery is in the computer and the computer is plugged into external AC power, the computer runs on AC power. If the computer contains a charged battery and is running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is disconnected from the computer. NOTE: The display brightness is decreased to save battery life when you disconnect AC power. To increase display brightness, press the f3 action key or reconnect the AC adapter. 64 Chapter 5 Power management

Section	Page
Features	11
Identifying hardware	11
Components	12
Top components	12
TouchPad	12
Lights	13
Button and speakers	14
Keys	15
Display	16
Right-side components	17
Left-side components	18
Bottom components	19
Wireless antennas	20
Additional hardware components	21
Labels	22
Wireless, local area network, and modem	23
Using wireless devices	23
Identifying wireless and network status icons	24
Using the wireless controls	24
Using the wireless action key	24
Using HP Wireless Assistant	25
Using operating system controls	25
Using a WLAN	26
Setting up a WLAN	26
Protecting your WLAN	27
Connecting to a WLAN	28
Roaming to another network	28
Using Bluetooth wireless devices (select models only)	29
Bluetooth and Internet Connection Sharing (ICS)	29
Troubleshooting wireless connection problems	30
Cannot connect to a WLAN	30
Cannot connect to a preferred wireless network	31
Network icon is not displayed	31
Current network security codes are unavailable	31
WLAN connection is very weak	32
Cannot connect to the wireless router	32
Connecting to a local area network	32
Pointing devices and keyboard	34
Using the TouchPad	34
Turning the TouchPad on and off	34
Using TouchPad gestures	35
Scrolling	35
Pinching	36
Rotating	36
Setting pointing device preferences	37
Connecting an external mouse	37
Using the keyboard	37
Using the action keys	37
Using the hotkey	38
Cleaning the TouchPad and keyboard	40
Multimedia	41
Multimedia features	41
Identifying your multimedia components	41
Adjusting the volume	43
Using the media activity action keys	44
Multimedia software	45
Using CyberLink PowerDVD 8 software	45
Using other preinstalled multimedia software	45
Installing multimedia software from a disc	45
Audio	46
Connecting external audio devices	46
Checking your audio functions	46
Video	47
Connecting an external monitor or projector	47
Connecting an HDMI device (select models only)	48
Configuring audio for HDMI (select models only)	49
Optical drive	50
Identifying the installed optical drive	50
Using optical discs	51
Selecting the right disc	52
CD-R discs	52
CD-RW discs	52
DVD±R discs	52
DVD±RW discs	52
LightScribe DVD+R discs	53
Blu-ray Disc	53
Playing a CD, DVD, or BD	53
Configuring AutoPlay	55
Changing DVD region settings	55
Observing the copyright warning	56
Copying a CD or DVD	56
Creating (burning) a CD or DVD	57
Removing an optical disc (CD, DVD, or BD)	58
Removing the optical drive	59
Webcam (select models only)	62
Webcam tips	62
Adjusting webcam properties	63
Troubleshooting	64
The optical disc tray does not open for removal of a CD, DVD, or BD	64
The computer does not detect the optical drive	65
A disc does not play	66
A disc does not play automatically	66
A movie stops, skips, or plays erratically	67
A movie is not visible on an external display	67
The process of burning a disc does not begin, or it stops before completion	67
A DVD playing in Windows Media Player produces no sound or display	68
A device driver must be reinstalled	68
Obtaining the latest HP device drivers	69
Obtaining the latest Windows device drivers	69
Power management	70
Setting power options	70
Using power-saving states	70
Initiating and exiting Sleep	70
Initiating and exiting Hibernation	71
Using the battery meter	71
Using power plans	71
Viewing the current power plan	72
Selecting a different power plan	72
Customizing power plans	72
Setting password protection upon exiting Sleep or Hibernation	72
Using external AC power	73
Connecting the AC adapter	73
Testing an AC adapter	74
Using battery power	74
Displaying the remaining battery charge	75
Finding battery information in Help and Support	75
Using Battery Check	75
Inserting or removing the battery	75
Charging a battery	76
Maximizing battery discharge time	77
Managing low battery levels	77
Identifying low battery levels	77
Resolving a low battery level	78
Resolving a low battery level when external power is available	78
Resolving a low battery level when a charged battery is available	78
Resolving a low battery level when no power source is available	78
Resolving a low battery level when the computer cannot exit Hibernation	78
Calibrating a battery	78
Step 1: Fully charge the battery	78
Step 2: Disable Hibernation and Sleep	79
Step 3: Discharge the battery	79
Step 4: Fully recharge the battery	80
Step 5: Reenable Hibernation and Sleep	80
Conserving battery power	80
Storing a battery	80
Disposing of a used battery	81
Replacing the battery	81
Shutting down the computer	81
Drives	83
Handling drives	83
Using external drives	84
Improving hard drive performance	85
Using Disk Defragmenter	85
Using Disk Cleanup	85
Replacing the hard drive	86
External devices and external media cards	90
Using a USB device	90
Connecting a USB device	90
Removing a USB device	91
Using Digital Media Slot cards	92
Inserting a digital card	92
Removing a digital card	93
Memory modules	94
Security	98
Protecting the computer	98
Using passwords	98
Setting passwords in Windows	99
Setting passwords in Setup Utility	99
Administrator password	100
Managing an administrator password	100
Entering an administrator password	100
Power-on password	100
Managing a power-on password	101
Entering a power-on password	101
Using antivirus software	102
Using firewall software	103
Installing critical updates	104
Setup Utility (BIOS)	105
Starting Setup Utility	105
Using Setup Utility	106
Changing the language of Setup Utility	106
Navigating and selecting in Setup Utility	106
Displaying system information	107
Restoring default settings in Setup Utility	107
Exiting Setup Utility	108
Setup Utility menus	108
Main menu	108
Security menu	108
System Configuration menu	109
Diagnostics menu	109
Software updates	110
Updating the BIOS	111
Determining the BIOS version	111
Downloading a BIOS update	112
Updating programs and drivers	113
Backup and recovery	114
Creating recovery discs	115
Backing up your information	116
Using Windows Backup and Restore	117
Using system restore points	118
When to create restore points	118
Create a system restore point	118
Restore to a previous date and time	118
Performing a recovery	119
Recovering from the recovery discs	119
Recovering from the dedicated recovery partition (select models only)	119