HP 20-k121us Mobile, 20-k127cl Mobile, 20-k014us Mobile, 20-k120us Mobile 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 come into contact with 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 User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Performing routine maintenance Wireless connection problems Vii Input power Operating specifications Starting right Best practicesFun things to do More HP resources Resource ContentsMore HP resources Locating hardware Getting to know your computerFinding your hardware and software information FrontRight side Right sideEnvironmental Notices Left side Top BackBottom LabelsIdentifying the labels Using an Internet service provider Connecting to a networkConnecting to a wireless network Using the wireless controlsSetting up a Wlan Configuring a wireless routerProtecting your Wlan Connecting to a Wlan Connecting to a local area network LAN Connecting to a wired networkUsing audio Enjoying entertainment featuresVolume control Using the webcamAccessing Beats Audio Using videoConnecting headphones Using Beats AudioNavigating using the keyboard and pointing devices Using touch screen gesturesOne-finger slide Scrolling TappingPinching/stretching Rotating select models onlyEdge swipes Left-edge swipe Right-edge swipeTop-edge swipe and bottom-edge swipe Fn key Using the keyboardIcon Key Description Using the action keysUsing the integrated numeric keypad Using Microsoft Windows 8 shortcut keysNum lock key Manually initiating and exiting Sleep Managing powerInitiating Sleep and Hibernation Intel Rapid Start Technology select models onlySetting password protection on wakeup HP CoolSense select models onlyManually initiating and exiting Hibernation Shutting down turning off the computer Managing and sharing information Using a USB deviceRemoving a USB device Connecting a USB deviceInserting and removing a memory card Maintaining peak performance Performing routine maintenanceUsing Disk Cleanup Using Disk DefragmenterCleaning your computer Cleaning productsCleaning procedures Setting Windows passwords Using security measuresInstalling Windows updates Setting Setup Utility Bios passwordsUsing Internet security software Installing software updatesUpdating software Starting Setup Utility Bios Updating the BiosDetermining the Bios version Downloading a Bios update Using HP PC Hardware Diagnostics UefiDiagnostic section, click HP Uefi Support Environment Downloading HP PC Hardware Diagnostics Uefi to a USB deviceCreating recovery media and backups Backing up, restoring, and recoveringCreating HP Recovery media Restore and recovery Remove everything and reinstall Windows Using Windows Refresh for quick and easy recoveryRecovering using HP Recovery Manager Using the HP Recovery partition select models onlyWhat you need to know Removing the HP Recovery partition Using HP Recovery media to recoverChanging the computer boot order Page Cannot connect to a preferred network TroubleshootingWireless connection problems Cannot connect to a WlanCurrent network security codes are unavailable Cannot connect to the wireless routerComputer will not turn on or start Power problemsHard drive error Network status icon is not displayedComputer shuts down unexpectedly Display problemsKeyboard and mouse problems Computer is not respondingPage No sound is produced Audio problemsSoftware problems Specifications Input powerOperating specifications Electrostatic Discharge Index Bios

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