HP 15.6-Inch C2N46UA#ABA manual Running on external AC power, Replacing a user-replaceable battery

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See the Regulatory, Safety and Environmental Notices for proper battery disposal. To access the user guides, select the HP Support Assistant app on the Start screen, select My computer, and then select the User guides.

Replacing a user-replaceable battery

Battery Check in Help and Support notifies you to replace the battery when an internal cell is not charging properly or when the battery storage capacity has reached a weak condition. If the battery is possibly covered by an HP warranty, instructions include a warranty ID. A message refers you to the HP Web site for more information about ordering a replacement battery.

Running on external AC power

For information on connecting to AC power, refer to the Setup Instructions poster provided in the computer box.

The computer does not use battery power when the computer is connected to AC external power with an approved AC adapter or an optional docking/expansion device.

WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.

Connect the computer to external AC power under any of the following conditions: WARNING! Do not charge the computer battery while you are onboard aircraft.

●When charging or calibrating a battery

●When installing or modifying system software

●When writing information to a disc (select models only)

●When running Disk Defragmenter on computers with internal hard drives

●When performing a backup or recovery

When you connect the computer to external AC power:

●The battery begins to charge.

●The display brightness increases.

●The power meter icon on the Windows desktop changes appearance. When you disconnect external AC power, the following events occur:

●The computer switches to battery power.

●The display brightness automatically decreases to save battery life.

●The power meter icon on the Windows desktop changes appearance.

Troubleshooting power problems

Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to AC power:

●The computer does not turn on.

●The display does not turn on.

●The power lights are off.

34 Chapter 6 Managing power

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Contents User Guide Product notice Software termsSafety warning notice Iv Safety warning notice Table of contents Enjoying entertainment features Using passwords Setting Windows passwords Vii Input power Operating environment Starting right Best practicesFun things to do Resource Contents More HP resourcesLocating software Getting to know your computerFinding your hardware and software information Right sideLeft side Getting to know your computerRegulatory, Safety and Environmental Notices Display Top TouchPadLights Rapid Start Technology select models onlyButtons and speakers Keys Fn keyBottom Labels ComponentUsing the wireless controls Connecting to a networkConnecting to a wireless network Using the wireless buttonUsing a Wlan Using an Internet service providerSetting up a Wlan Configuring a wireless routerProtecting your Wlan Connecting to a wired network Using Bluetooth wireless devices select models onlyConnecting to a Wlan Connecting to a local area network LAN Enjoying entertainment features Using the webcamUsing audio Using video Connecting an Hdmi deviceChecking the sound Configuring audio settings Managing your photo, audio, and video files Using the TouchPad Using TouchPad gesturesTapping ScrollingPinching/zooming Edge swipesRight-edge swipe Top-edge swipeUsing the action keys Using the keyboard and mouseUsing the keys Left-edge swipeUsing Microsoft Windows 8 shortcut keys Icon Key DescriptionShortcut Key Description Using the integrated numeric keypadUsing the hot keys Function Hot key DescriptionManaging power Initiating Sleep and HibernationIntel Rapid Start Technology select models only Setting password protection on wakeup Initiating and exiting SleepEnabling and exiting user-initiated Hibernation Using the power meter and power settings Selecting a power planRunning on battery power Removing a user-replaceable battery Finding battery informationConserving battery power Storing a user-replaceable battery Identifying low battery levelsResolving a low battery level Disposing of a user-replaceable batteryRunning on external AC power Replacing a user-replaceable batteryTroubleshooting power problems HP CoolSense select models only Shutting down turning off the computerPage Managing and sharing information Using a USB deviceConnecting a USB device Type DescriptionConnecting a powered USB device Inserting and removing a digital storage cardRemoving a USB device Sharing data and drives and accessing software Select Open Network and Sharing Center Maintaining your computer Handling drivesReplacing a hard drive Page Using HP 3D DriveGuard select models only Using Disk Defragmenter Using Disk CleanupImproving performance Adding or replacing memory modules Page Updating programs and drivers Cleaning the TouchPad and keyboard Cleaning your computerCleaning the display, sides, and cover Traveling with or shipping your computerPage Using passwords Computer risk Security featureSecuring your computer and information Setting Setup Utility Bios passwords Using Internet security softwareSetting Windows passwords Password FunctionUsing firewall software Installing software updatesUsing antivirus software Installing Windows updatesSecuring your wireless network Using an optional security cable lockBacking up your software applications and information Updating the Bios Using Setup Utility Bios and System DiagnosticsStarting Setup Utility Bios Determining the Bios versionUsing System Diagnostics Downloading a Bios updatePage Backing up, restoring, and recovering Creating recovery media and backupsCreating HP Recovery media Restore and recovery Using Windows Refresh for quick and easy recovery Remove everything and reinstall WindowsRecovering using HP Recovery Manager What you need to knowRemoving the HP Recovery partition Using HP Recovery media to recoverChanging the computer boot order Specifications Input powerOperating environment Electrostatic Discharge Bios IndexWlan LAN