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HP Pavilion dv3-4200 User Guide - Windows 7 - Page 68

battery light turns off and the computer shuts down., To discharge a battery

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To discharge a battery: 1. Unplug the computer from its external power source, but do not turn off the computer. 2. Run the computer on battery power until the battery is discharged. The battery light begins to blink when the battery has discharged to a low battery level. When the battery is discharged, the battery light turns off and the computer shuts down. 58 Chapter 5 Power management

Section	Page
Notebook tour	11
Identifying the hardware	11
Top components	11
TouchPad	11
Lights	12
Buttons and fingerprint reader (select models only)	13
Keys	14
Front components	14
Right-side components	15
Left-side components	16
Display components	17
Bottom components	18
Wireless antennas	18
Additional hardware components	19
Identifying the labels	20
Wireless and local area network	22
Using wireless devices	22
Identifying wireless and network status icons	23
Using the wireless controls	23
Using the wireless action key	23
Using HP Wireless Assistant software	24
Using operating system controls	24
Using a WLAN	25
Setting up a WLAN	25
Protecting your WLAN	25
Connecting to a WLAN	26
Roaming to another network	27
Using HP Mobile Broadband	28
Inserting a SIM	28
Removing a SIM	29
Using Bluetooth wireless devices	31
Bluetooth and Internet Connection Sharing (ICS)	31
Troubleshooting wireless connection problems	32
Cannot connect to a WLAN	32
Cannot connect to a preferred WLAN network	33
Network icon is not displayed	33
Current WLAN network security codes are unavailable	33
WLAN connection is very weak	34
Cannot connect to the wireless router	34
Connecting to a local area network (LAN)	35
Pointing devices and keyboard	36
Using pointing devices	36
Setting pointing device preferences	36
Using the TouchPad	36
Turning the TouchPad on and off	36
Using TouchPad gestures	37
Scrolling	37
Pinching	38
Rotating	38
Using the action keys	40
Using the hotkeys	42
Multimedia	43
Multimedia features	43
Identifying your multimedia components	43
Using the media activity functions	45
Using the media activity action keys	45
Multimedia software	45
Using HP MediaSmart software	46
Using other multimedia software	46
Installing multimedia software from a disc	46
Audio	47
Connecting external audio devices	47
Checking your audio functions	47
Video	49
Connecting an external monitor or projector	49
Connecting an HDMI device	49
Configuring audio for HDMI (select models only)	50
Webcam	51
Adjusting webcam properties	51
Troubleshooting	51
The disc tray does not open for removal of a disc	51
The computer does not detect the optical drive	52
A disc does not play	53
A disc does not play automatically	53
A movie stops, skips, or plays erratically	54
A movie is not visible on an external display	54
The process of burning a disc does not begin, or it stops before completion	54
A DVD or BD playing in Windows Media Player produces no sound or display	55
A device driver must be reinstalled	55
Obtaining the latest HP device drivers	55
Obtaining the latest Windows device drivers	56
Power management	57
Setting power options	57
Using power-saving states	57
Initiating and exiting Sleep	57
Initiating and exiting Hibernation	58
Using the battery meter	58
Using power plans	58
Viewing the current power plan	59
Selecting a different power plan	59
Customizing power plans	59
Setting password protection on wakeup	59
Using external AC power	59
Connecting the AC adapter	60
Testing an AC adapter	61
Using battery power	61
Identifying batteries	62
Finding battery information in Help and Support	62
Using Battery Check	62
Displaying the remaining battery charge	62
Inserting or removing the battery	62
Charging a battery	63
Maximizing battery discharge time	64
Managing low battery levels	64
Identifying low battery levels	64
Resolving a low battery level	66
Resolving a low battery level when external power is available	66
Resolving a low battery level when a charged battery is available	66
Resolving a low battery level when no power source is available	66
Resolving a low battery level when the computer cannot exit Hibernation	66
Calibrating a battery	66
Step 1: Fully charge the battery	66
Step 2: Disable Hibernation and Sleep	67
Step 3: Discharge the battery	67
Step 4: Fully recharge the battery	69
Step 5: Reenable Hibernation and Sleep	69
Conserving battery power	69
Storing a battery	69
Disposing of a used battery	70
Replacing the battery	70
Shutting down the computer	70
Switching between graphics modes (select models only)	72
Drives	73
Identifying installed drives	73
Handling drives	73
Using an optical drive	74
Identifying the installed optical drive	74
Using optical discs	75
Selecting the right disc (CDs, DVDs, and BDs)	75
CD-R discs	76
CD-RW discs	76
DVD±R discs	76
DVD±RW discs	76
LightScribe DVD+R discs	76
Blu-ray Disc	76
Playing a CD, DVD, or BD	77
Configuring AutoPlay	77
Changing DVD region settings	78
Observing the copyright warning	78
Copying a CD or DVD	79
Creating (burning) a CD or DVD	79
Removing an optical disc (CD, DVD, or BD)	80
Improving hard drive performance	80
Using Disk Defragmenter	80
Using Disk Cleanup	81
Using HP ProtectSmart Hard Drive Protection	81
Identifying HP ProtectSmart Hard Drive Protection status	81
Using HP ProtectSmart Hard Drive Protection software	82
Replacing the hard drive	83
External devices	85
Using a USB device	85
Connecting a USB device	85
Removing a USB device	85
Using an eSATA device	87
Connecting an eSATA device	87
Removing an eSATA device	87
External media cards	88
Using Digital Media Slot cards	88
Inserting a digital card	88
Removing a digital card	89
Memory modules	90
Adding or replacing memory modules	90
Adding or replacing a memory module in the expansion memory module slot	90
Upgrading a memory module in the primary memory module slot	93
Security	96
Protecting the computer	96
Using passwords	97
Setting passwords in Windows	97
Setting passwords in Setup Utility	98
Administrator password	98
Managing an administrator password	99
Entering an administrator password	99
Power-on password	99
Managing a power-on password	100
Entering a power-on password	100
Using antivirus software	101
Using firewall software	102
Installing critical security updates	103
Installing an optional security cable	104
Using the fingerprint reader (select models only)	104
Locating the fingerprint reader	105
Registering fingerprints	105
Using your registered fingerprint to log on to Windows	106
Setup Utility	107
Starting Setup Utility	107
Using Setup Utility	108
Changing the language of Setup Utility	108
Navigating and selecting in Setup Utility	108
Displaying system information	109
Restoring default settings in Setup Utility	109
Exiting Setup Utility	109
Setup Utility menus	111
Main menu	111
Security menu	111
System Configuration menu	111
Diagnostics menu	112
Software updates	113
Updating the BIOS	114
Determining the BIOS version	114
Downloading a BIOS update	114
Updating programs and drivers	116