HP CQ56-124CA, CQ56-110US, CQ56-100XX, CQ56-104CA, CQ56-112NR, CQ56-115DX Memory modules Security

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7 Drives
	Handling drives	38
	Replacing or upgrading the hard drive	39
	Removing the hard drive	39
	Installing the hard drive	40
	Using optical drives (select models only)	42
	Identifying the installed optical drive	42
	Playing a CD	42
	Removing a CD	42
8 External devices
	Using a USB device	44
	Connecting a USB device	44
	Removing a USB device	46
	Using optional external devices	46
	Using optional external drives	46
9 Memory modules
10	Security
	Protecting the computer	51
	Using passwords	51
	Setting passwords in the operating system	52
11 Backup and Recovery
	Performing a system recovery	54
	Backing up your information	55
12	Setup Utility (BIOS)
	Starting Setup Utility	56
	Using Setup Utility	56
	Changing the language of Setup Utility	56
	Navigating and selecting in Setup Utility	56
	Displaying system information	57
	Restoring factory default settings in Setup Utility	57
	Exiting Setup Utility	57
Appendix A Troubleshooting and support
	Troubleshooting	58
	The computer is unable to start up	58
	The computer screen is blank	58
	Software is functioning abnormally	59

vii

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Contents HP Notebook User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Multimedia Memory modules Security Appendix B Routine care Finding information WelcomeWelcome Getting to know your computer TouchPad TopLights Top Button and speakers Keys Right side Left side Display Wireless antennas Bottom Additional hardware Networking Using an Internet service provider ISP Turning wireless devices on and off Identifying wireless and network status iconsCreating a wireless connection Using a WlanSetting up a new Wlan Connecting to an existing WlanRoaming to another network Protecting your WlanConnecting to a local area network LAN Using Bluetooth wireless devices select models onlyPage Pointing devices and keyboard Using the keyboardFunction Action key Setting pointing device preferences Using the TouchPadMultimedia Using the media activity controlsAudio Webcam select models only Adjusting the volumeChecking your audio functions VGA VideoShutting down the computer Power managementUsing power-saving states Setting power optionsUsing the Power icon Using battery powerUsing power management Displaying the remaining battery charge Inserting or removing the battery Charging a battery Managing low battery levels Maximizing battery lifeStoring a battery Conserving battery powerDisposing of a used battery Using external AC powerReplacing the battery Testing an AC adapter Handling drives DrivesRemoving the hard drive Replacing or upgrading the hard driveInstalling the hard drive Page Removing a CD Using optical drives select models onlyIdentifying the installed optical drive Playing a CDPage Connecting a USB device Using a USB deviceExternal devices Using a USB device Using optional external drives Using optional external devicesRemoving a USB device Memory modules Page Page Page Security Using passwordsProtecting the computer Operating system passwords Function Setting passwords in the operating systemBackup and Recovery Performing a system recovery Backing up your information Changing the language of Setup Utility Setup Utility BiosStarting Setup Utility Using Setup UtilityExiting Setup Utility Restoring factory default settings in Setup UtilityDisplaying system information Computer screen is blank Troubleshooting and supportTroubleshooting Computer is unable to start upAn external device is not working Software is functioning abnormallyComputer is on but not responding Computer is unusually warmOptical disc tray does not open for removal of a CD Wireless network connection is not workingDisc does not play Computer does not detect the optical driveMovie is not visible on an external display Contacting customer support Component LabelsRoutine care Cleaning the display Cleaning the TouchPad and keyboard Input power SpecificationsOperating environment Appendix C Specifications Electrostatic discharge LAN USB IndexWlan

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