Asus C2K07UAABA, C2K91UA#ABA manual Running on external AC power, Resolving a low battery level

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The power meter icon on the Windows Desktop shows a low or critical battery notification.

NOTE: For additional information about the power meter, refer to “Using the power meter” section.

The computer takes the following actions for a critical battery level:

If Hibernation is disabled and the computer is on or in the Sleep state, the computer remains briefly in the Sleep state, and then shuts down and loses any unsaved information.

If Hibernation is enabled and the computer is on or in the Sleep state, the computer initiates Hibernation.

Resolving a low battery level

Resolving a low battery level when external power is available

Connect an AC adapter.

Connect an optional docking or expansion device.

Connect an optional power adapter purchased as an accessory from HP.

Resolving a low battery level when no power source is available

Save your work and shut down the computer.

Resolving a low battery level when the computer cannot exit Hibernation

When the computer lacks sufficient power to exit Hibernation, follow these steps:

1.Connect the AC adapter to the computer and to external power.

2.Exit Hibernation by pressing the power button.

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)

40 Chapter 6 Managing power

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Contents User Guide Product notice Software termsSafety warning notice Iv Safety warning notice Table of contents Connecting to a local area network LAN Managing and sharing information Input power Viii Operating environment Page Starting right Best practicesFun things to do Resource Contents More HP resourcesGetting to know your computer Finding your hardware and software informationRight side Component DescriptionLeft side Display Top TouchPadLights Hibernation onButton, speakers, and subwoofer Keys Fn keyBottom Labels ComponentConnecting to a network Connecting to a wireless networkUsing the wireless button Using the wireless controlsUsing a Wlan Using operating system controlsConfiguring a wireless router Using an Internet service providerSetting up a Wlan Protecting your WlanUsing Bluetooth wireless devices Connecting to a WlanConnecting to a wired network Connecting to a local area network LANEnjoying entertainment features Multimedia FeaturesUsing the webcam Ports, see Using a USB device onConnecting headphones Using audioConnecting speakers Connecting a microphoneChecking the sound Using videoConnecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your audio and video files Page Using the TouchPad Using TouchPad gesturesTapping ScrollingPinching/zooming Rotating select models onlyEdge swipes Finger click select models onlyFlicking select models only Right-edge swipe Top-edge swipeLeft-edge swipe Using the keys Using the keyboard and mouseUsing ALT GR key combinations Using the action keysUsing Microsoft Windows 8 shortcut keys Function Hot key Description Using the hot keysShortcut Key Description Beats Audio Control PanelIntel Rapid Start Technology select models only Managing powerInitiating Sleep and Hibernation Initiating and exiting Sleep Enabling and Exiting User-Initiated HibernationSetting password protection on wakeup Using the power meter and power settings Selecting a power planFinding battery information Running on battery powerFactory-sealed battery Conserving battery powerRunning on external AC power Resolving a low battery levelTroubleshooting an AC adapter HP CoolSense select models onlyShutting down turning off the computer Managing and sharing information Using a USB deviceConnecting a USB device Type DescriptionConnecting a powered USB device Removing a USB deviceInserting and removing a digital storage card Sharing data and drives and accessing software Select Open Network and Sharing CenterHandling drives Maintaining your computerImproving performance Updating programs and drivers Using Disk DefragmenterUsing Disk Cleanup Cleaning the TouchPad and keyboard Cleaning your computerCleaning the display, sides, and cover Traveling with or shipping your computer Securing your computer and information Using passwordsComputer risk Security feature Password Function Setting Windows passwordsSetting Setup Utility Bios passwords Using antivirus software Using Internet security softwareInstalling software updates Using firewall softwareInstalling HP and third-party software updates Securing your wireless networkUsing an optional security cable lock Backing up your software applications and informationPage Updating the Bios Using Setup Utility Bios and System DiagnosticsStarting Setup Utility Bios Determining the Bios versionDownloading a Bios update Using System Diagnostics Backing up, restoring, and recovering Creating recovery media and backups Creating HP Recovery mediaTo create HP Recovery media What you need to knowRestore and recovery Using Windows Refresh for quick and easy recovery Remove everything and reinstall WindowsRecovering using HP Recovery Manager Using HP Recovery media to recover Changing the computer boot orderRemoving the HP Recovery partition Input power Rating SpecificationsInput power Operating environment Electrostatic Discharge Symbols/Numerics IndexWlan