HP CQ56-104CA, CQ56-110US, CQ56-100XX, CQ56-112NR, CQ56-115DX, CQ56-122NR, CQ56-154CA Routine care

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B Routine care

●Cleaning the display

●Cleaning the TouchPad and keyboard

64 Appendix B Routine care

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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 Welcome Finding informationWelcome 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 Identifying wireless and network status icons Creating a wireless connectionUsing a Wlan Turning wireless devices on and offConnecting to an existing Wlan Setting up a new WlanProtecting your Wlan Roaming to another networkUsing Bluetooth wireless devices select models only Connecting to a local area network LANPage Using the keyboard Pointing devices and keyboardFunction Action key Using the TouchPad Setting pointing device preferencesUsing the media activity controls MultimediaAudio Adjusting the volume Webcam select models onlyChecking your audio functions Video VGAPower management Shutting down the computerSetting power options Using power-saving statesUsing battery power Using the Power iconUsing power management Displaying the remaining battery charge Inserting or removing the battery Charging a battery Maximizing battery life Managing low battery levelsConserving battery power Storing a batteryUsing external AC power Disposing of a used batteryReplacing the battery Testing an AC adapter Drives Handling drivesReplacing or upgrading the hard drive Removing the hard driveInstalling the hard drive Page Using optical drives select models only Identifying the installed optical drivePlaying a CD Removing 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 Setting passwords in the operating system Operating system passwords FunctionBackup and Recovery Performing a system recovery Backing up your information Setup Utility Bios Starting Setup UtilityUsing Setup Utility Changing the language of Setup UtilityRestoring factory default settings in Setup Utility Exiting Setup UtilityDisplaying system information Troubleshooting and support TroubleshootingComputer is unable to start up Computer screen is blankSoftware is functioning abnormally Computer is on but not respondingComputer is unusually warm An external device is not workingWireless network connection is not working Optical disc tray does not open for removal of a CDComputer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting customer support Labels ComponentRoutine care Cleaning the display Cleaning the TouchPad and keyboard Specifications Input powerOperating environment Appendix C Specifications Electrostatic discharge Index LAN USBWlan

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