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Contacting support

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Contacting support If the information provided in this user guide or in Linux Help does not answer your questions, you can contact support. For U.S. support, go to http://www.hp.com/go/contactHP. For worldwide support, go to http://welcome.hp.com/country/us/en/wwcontact_us.html. Here you can: ● Chat online with an HP technician. NOTE: When support chat is not available in a particular language, it is available in English. ● Email HP Support. ● Find HP Support worldwide telephone numbers. ● Locate an HP service center. 78 Chapter 13 Troubleshooting and support

Section	Page
Starting right	11
Best practices	11
Fun things to do	12
More HP resources	13
Getting to know your computer	14
Finding your hardware and software information	14
Front	15
Right side	16
Left side	18
Display	19
Top	20
TouchPad	20
Lights	21
Buttons and speakers	22
Keys	23
Bottom	24
Labels	26
Connecting to a network	27
Connecting to a wireless network	28
Identifying wireless and network status icons	28
Using the wireless controls	28
Using the wireless button	28
Using operating system controls	29
Using a WLAN	29
Using an Internet service provider	29
Setting up a WLAN	30
Configuring a wireless router	30
Protecting your WLAN	31
Connecting to a WLAN	31
Using Bluetooth wireless devices (select models only)	32
Connecting to a wired network	33
Connecting to a local area network (LAN)	33
Enjoying entertainment features	34
Using the webcam	35
Using audio	36
Connecting speakers	36
Connecting headphones	36
Connecting a microphone	36
Checking the sound	36
Using video	37
Connecting a VGA monitor or projector	37
Connecting an HDMI TV or monitor	39
Configuring audio settings (with HDMI TV)	40
Using the keyboard and pointing devices	41
Using the action keys	42
Using the TouchPad	43
Turning the TouchPad off or on	43
Setting pointing device preferences	43
Navigating	44
Selecting	44
Using TouchPad gestures	45
Scrolling	45
Pinching/Zooming	46
Rotating	46
Managing power	47
Setting power options	47
Using power-saving states	47
Initiating and exiting Suspend	47
Initiating and exiting Hibernation	48
Using the Power icon	48
Using power management	48
Viewing the current power management settings	48
Changing the current power management settings	49
Running on battery power	49
Displaying the remaining battery charge	49
Removing a user-replaceable battery	50
Charging a battery	51
Maximizing battery life	51
Managing low battery levels	51
Identifying low battery levels	52
Resolving a low battery level	52
Resolving a low battery level when external power is available	52
Resolving a low battery level when a charged battery is available	52
Resolving a low battery level when no power source is available	52
Resolving a low battery level when the computer cannot exit Hibernation	52
Conserving battery power	52
Storing a user-replaceable battery	53
Disposing of a user-replaceable battery	53
Replacing a user-replaceable battery	53
Running on external power	53
Shutting down the computer	54
Managing and sharing information	55
Using a USB device	55
Connecting a USB device	55
Removing a USB device	56
Connecting a powered USB device	56
Inserting and removing a digital storage card	57
Using optical drives	58
Inserting an optical disc	58
Removing an optical disc	59
Maintaining your computer	60
Improving performance	60
Handling drives	60
Replacing a hard drive	60
Adding or replacing memory modules	63
Updating programs and drivers	67
Cleaning your computer	68
Cleaning the display, sides, and cover	68
Cleaning the TouchPad and keyboard	68
Traveling with or shipping your computer	69
Securing your computer and information	70
Protecting the computer	70
Using passwords	70
Setting passwords in the operating system	71
Setting passwords in Setup Utility	71
Managing an administrator password	72
Entering an administrator password	72
Managing a power-on password	72
Entering a power-on password	73
Using Internet security software	73
Using antivirus software	73
Using firewall software	73
Securing your wireless network	74
Backing up your software applications and information	74
Using an optional security cable lock	74
Using Setup Utility (BIOS) and System Diagnostics	75
Starting Setup Utility (BIOS)	75
Updating the BIOS	75
Determining the BIOS version	75
Downloading a BIOS update	76
Using System Diagnostics	77
Backing up and restoring	78
Creating backups	78
Creating restore media to restore the original system	78
What you need to know	78
Creating the restore DVDs	78
Creating the restore image on a USB device	79
Backing up your information	79
Restoring	80
Restoring specific files	80
Restoring the original system	80
What you need to know	80
Restoring using the restore media	81
Specifications	82
Input power	82
Operating environment	83
Troubleshooting and support	84
Troubleshooting	85
Optical drive problems	85
Wireless connection problems	85
Cannot connect to the wireless router	86
Audio problems	86
Power management problems	86
Resolving a low battery level	86
Resolving a low battery level when external power is available	86
Resolving a low battery level when no power source is available	86
Resolving a low battery level when the computer cannot exit Hibernation	87
Troubleshooting an AC adapter	87
Contacting support	88
Electrostatic discharge	89