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HP Pavilion dv5-2100 User Guide - Windows 7 - Page 55

Connecting the AC adapter, To connect the computer to external AC power

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When you connect the computer to external AC power, the following events occur: ● The battery begins to charge. ● If the computer is turned on, the battery meter icon in the notification area changes appearance. When you disconnect external AC power, the following events occur: ● The computer switches to battery power. ● The display brightness is automatically decreased to save battery life. To increase display brightness, press the f3 action key or reconnect the AC adapter. Connecting the AC adapter WARNING! To reduce the risk of electric shock or damage to the equipment: Plug the power cord into an AC outlet that is easily accessible at all times. Disconnect power from the computer by unplugging the power cord from the AC outlet (not by unplugging the power cord from the computer). If provided with a 3-pin attachment plug on the power cord, plug the cord into a grounded (earthed) 3pin outlet. Do not disable the power cord grounding pin, for example, by attaching a 2-pin adapter. The grounding pin is an important safety feature. To connect the computer to external AC power: 1. Plug the AC adapter into the power connector (1) on the computer. 2. Plug the power cord into the AC adapter (2). 3. Plug the other end of the power cord into an AC outlet (3). ENWW Using external AC power 45

Section	Page
Notebook tour	11
Identifying the hardware	11
Top components	11
TouchPad	11
Lights	12
Buttons	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	22
Using the wireless controls	23
Using the wireless action key	23
Using HP Wireless Assistant software	23
Using operating system controls	24
Using a WLAN	24
Setting up a WLAN	25
Protecting your WLAN	25
Connecting to a WLAN	26
Roaming to another network	27
Using HP Mobile Broadband	27
Inserting a SIM	27
Removing a SIM	28
Using Bluetooth wireless devices	29
Bluetooth and Internet Connection Sharing (ICS)	29
Troubleshooting wireless connection problems	30
Cannot connect to a WLAN	30
Cannot connect to a preferred WLAN network	30
Network icon is not displayed	31
Current WLAN 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 (LAN)	32
Pointing devices and keyboard	34
Using pointing devices	34
Setting pointing device preferences	34
Using the TouchPad	34
Turning the TouchPad on and off	34
Using TouchPad gestures	35
Scrolling	35
Pinching	35
Using the action keys	36
Using the hotkeys	37
Multimedia	39
Multimedia features	39
Identifying your multimedia components	39
Using the media activity action keys	41
Using the media activity action keys	41
Multimedia software	41
Using HP MediaSmart software	42
Using other multimedia software	42
Installing multimedia software from a disc	42
Audio	42
Connecting external audio devices	43
Checking your audio functions	43
Video	43
Connecting an external monitor or projector	44
Connecting an HDMI device	44
Configuring audio for HDMI (select models only)	45
HP TrueVision webcam	45
Adjusting HP TrueVision webcam properties	47
Troubleshooting	47
The disc tray does not open for removal of a disc	47
The computer does not detect the optical drive	48
A disc does not play	48
A disc does not play automatically	49
A movie stops, skips, or plays erratically	49
A movie is not visible on an external display	50
The process of burning a disc does not begin, or it stops before completion	50
A DVD or BD playing in Windows Media Player produces no sound or display	50
A device driver must be reinstalled	50
Obtaining the latest HP device drivers	51
Obtaining the latest Windows device drivers	51
Power management	52
Setting power options	52
Using power-saving states	52
Initiating and exiting Sleep	52
Initiating and exiting Hibernation	53
Using the battery meter	53
Using power plans	53
Viewing the current power plan	53
Selecting a different power plan	54
Customizing power plans	54
Setting password protection on wakeup	54
Using external AC power	54
Connecting the AC adapter	55
Testing an AC adapter	56
Using battery power	56
Identifying batteries	56
Finding battery information in Help and Support	57
Using Battery Check	57
Displaying the remaining battery charge	57
Inserting or removing the battery	57
Charging a battery	58
Maximizing battery discharge time	59
Managing low battery levels	59
Identifying low battery levels	59
Resolving a low battery level	61
Resolving a low battery level when external power is available	61
Resolving a low battery level when a charged battery is available	61
Resolving a low battery level when no power source is available	61
Resolving a low battery level when the computer cannot exit Hibernation	61
Calibrating a battery	61
Step 1: Fully charge the battery	61
Step 2: Disable Hibernation and Sleep	62
Step 3: Discharge the battery	62
Step 4: Fully recharge the battery	63
Step 5: Reenable Hibernation and Sleep	63
Conserving battery power	63
Storing a battery	63
Disposing of a used battery	64
Replacing the battery	64
Shutting down the computer	64
Drives	66
Identifying installed drives	66
Handling drives	66
Using an optical drive	67
Identifying the installed optical drive	67
Using optical discs	67
Selecting the right disc (CDs, DVDs, and BDs)	68
CD-R discs	68
CD-RW discs	68
DVD±R discs	68
DVD±RW discs	68
LightScribe DVD+R discs	68
Blu-ray Disc	69
Playing a CD, DVD, or BD	69
Configuring AutoPlay	70
Changing DVD region settings	70
Observing the copyright warning	70
Copying a CD or DVD	71
Creating (burning) a CD or DVD	71
Removing an optical disc (CD, DVD, or BD)	72
Improving hard drive performance	72
Using Disk Defragmenter	72
Using Disk Cleanup	73
Using HP ProtectSmart Hard Drive Protection	73
Identifying HP ProtectSmart Hard Drive Protection status	73
Using HP ProtectSmart Hard Drive Protection software	74
Replacing the hard drive	74
External devices	77
Using a USB device	77
Connecting a USB device	77
Removing a USB device	77
Using an eSATA device	78
Connecting an eSATA device	78
Removing an eSATA device	78
External media cards	80
Using Digital Media Slot cards	80
Inserting a digital card	80
Removing a digital card	81
Memory modules	82
Adding or replacing memory modules	82
Adding or replacing a memory module in the expansion memory module slot	82
Upgrading a memory module in the primary memory module slot	85
Security	88
Protecting the computer	88
Using passwords	88
Setting passwords in Windows	89
Setting passwords in Setup Utility	89
Administrator password	90
Managing an administrator password	90
Entering an administrator password	91
Power-on password	91
Managing a power-on password	91
Entering a power-on password	91
Using antivirus software	91
Using firewall software	92
Installing critical security updates	92
Installing an optional security cable	92
Backup and recovery	94
Creating recovery discs	94
Backing up your information	95
Using Windows Backup and Restore	96
Using system restore points	96
When to create restore points	96
Create a system restore point	96
Restore to a previous date and time	96
Performing a recovery	97
Recovering from the recovery discs	97
Recovering from the dedicated recovery partition (select models only)	97
Setup Utility	98
Starting Setup Utility	98
Using Setup Utility	98
Changing the language of Setup Utility	98
Navigating and selecting in Setup Utility	99
Displaying system information	99
Restoring default settings in Setup Utility	99
Exiting Setup Utility	100
Setup Utility menus	100
Main menu	100
Security menu	100
System Configuration menu	100
Diagnostics menu	101
Software updates	102
Updating the BIOS	102
Determining the BIOS version	102
Downloading a BIOS update	103
Updating programs and drivers	103