HP CQ56-112NR, CQ56-110US, CQ56-100XX, CQ56-104CA, CQ56-115DX, CQ56-122NR manual Safety warning notice

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Safety warning notice

WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

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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 Top TouchPadLights 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 Adjusting the volume Webcam select models onlyChecking your audio functions VGA VideoShutting down the computer Power managementUsing power-saving states Setting power optionsUsing battery power Using the Power iconUsing 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 powerUsing external AC power Disposing of a used batteryReplacing 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 Using a USB device Connecting a USB deviceExternal devices Using a USB device Using optional external devices Using optional external drivesRemoving a USB device Memory modules Page Page Page Using passwords SecurityProtecting 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 UtilityRestoring factory default settings in Setup Utility Exiting 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 workingComputer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting customer support Component LabelsRoutine care Cleaning the display Cleaning the TouchPad and keyboard Specifications Input powerOperating environment Appendix C Specifications Electrostatic discharge LAN USB IndexWlan

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