HP Pro x2 612 G1 (Windows 8.1) manual Using external AC power, Conserving battery power

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Identifying low battery levels

When a battery that is the sole power source for the computer reaches a low or critical battery level, the following behavior occurs:

The battery light (select models only) indicates a low or critical battery level.

– or –

The power meter icon in the notification area shows a low or critical battery notification.

NOTE: For additional information about the power meter, see Using the power meter and power settings on page 50.

If 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.

Resolving a low battery level

Resolving a low battery level when external power is available

Connect one of the following devices:

AC adapter

Optional docking or expansion device

Optional power adapter purchased as an accessory from HP

Resolving a low battery level when no power source is available

To resolve a low battery level when no power source is available, save your work and shut down the computer.

Conserving battery power

From the Start screen, type power, select Settings, and then select Power Options.

Select low power-use settings through Power Options.

Turn off wireless and LAN connections and exit modem applications when you are not using them.

Disconnect unused external devices that are not plugged into an external power source.

Stop, disable, or remove any external memory cards that you are not using.

Decrease screen brightness.

Before you leave your work, initiate Sleep, or shut down the computer.

Using external AC power

WARNING! Do not charge the computer battery while you are onboard aircraft.

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.

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

External AC power is supplied through an approved AC adapter or an optional docking or expansion device.

Setting power options 53

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Connecting to a local area network LAN VGA Drives Contacting support Labels Appendix a Welcome Resources For information about Finding informationResources Welcome Tablet edge components Getting to know your computerGetting to know your computer Amber The computer is connected to external power Component Description DisplayTop Power keyboardTouchPad Lights Fn key KeysRight side Left side Rear Releasing the tablet from the power keyboardChanging your tablets view Changing your tablets settingsAdjusting your tablets autorotate lock Adjusting your tablets screen brightnessUsing the wireless button Connecting to a networkConnecting to a wireless network Using the wireless controlsUsing a Wlan Using operating system controlsUsing an Internet service provider Setting up a Wlan Configuring a wireless routerProtecting your Wlan Connecting to a Wlan Using HP Mobile Broadband select models onlyInserting and removing a SIM Using GPS select models onlyConnecting to a wired network Using Bluetooth wireless devicesConnecting to a local area network LAN Page Connecting to a network Using pointing devices Setting pointing device preferencesUsing the TouchPad and gestures Tapping Turning the TouchPad off and onFinger pinch zoom ScrollingRotating select models only Finger clickEdge swipes select models only Flicking select models onlyLeft-edge swipe Setting touch screen preferences Using touch screen gesturesOne-finger slide Pinching/stretching TappingRotating select models only Right-edge swipe Edge swipesLeft-edge swipe Top-edge swipe and bottom-edge swipe Using the digitizer pen select models onlyIdentifying the pen components Holding the penUsing the on-screen keyboard Using the keyboardStoring the pen Identifying the hot keys Using Windows shortcut keysDescription Using the embedded numeric keypad Using keypadsTurning the embedded numeric keypad on and off Using an optional external numeric keypadAudio Connecting speakersAdjusting the volume MultimediaConnecting headphones and microphones WebcamsChecking audio functions on the computer VGA VideoDisplayPort Connecting wired displays using MultiStream Transport Multimedia Shutting down the computer Power managementInitiating and exiting Sleep Setting power optionsUsing power-saving states Using the power meter and power settingsUsing battery power Setting password protection on wakeupFactory-sealed battery Maximizing battery discharge time Finding additional battery informationUsing Battery Check Displaying the remaining battery chargeConserving battery power Using external AC powerTesting an AC adapter Using memory card readers External cards and devicesInserting a memory card Removing a memory card Using smart cardsUsing a USB device Inserting a smart cardRemoving a smart card Using optional external devices Connecting a USB deviceRemoving a USB device Using optional external drives External cards and devices Improving hard drive performance Using Disk DefragmenterDrives Handling drivesUsing Disk Cleanup Using passwords SecurityProtecting the computer Password Function Setting passwords in WindowsManaging a Bios administrator password Setting passwords in Computer SetupEntering a Bios administrator password Managing a Computer Setup DriveLock passwordSetting a DriveLock password Changing a DriveLock password Entering a DriveLock passwordUsing Computer Setup Automatic DriveLock Entering an Automatic DriveLock passwordRemoving DriveLock protection Using antivirus software Using firewall softwareRemoving Automatic DriveLock protection Locating the fingerprint reader Installing critical security updatesUsing HP Client Security Using the fingerprint reader select models onlySecurity Cleaning the display All-in-Ones or Notebooks MaintenanceCleaning your computer Cleaning proceduresCleaning the TouchPad, keyboard, or mouse Updating programs and drivers Using SoftPaq Download ManagerBacking up your information Backup and recoveryPerforming a system recovery Using the Windows recovery toolsUsing f11 recovery tools Using Windows operating system media purchased separately Using HP Software Setup Using Windows Refresh or Windows ResetUsing Computer Setup Starting Computer SetupNavigating and selecting in Computer Setup Select Main Restore Defaults Restoring factory settings in Computer SetupUpdating the Bios Determining the Bios versionDownloading a Bios update Synchronizing the tablet and keyboard Using MultiBootAbout the boot device order Choosing MultiBoot preferencesDynamically choosing a boot device using the f9 prompt Setting a new boot order in Computer SetupUsing HP PC Hardware Diagnostics Uefi Setting a MultiBoot Express promptEntering MultiBoot Express preferences Diagnostic section, click HP Uefi Support Environment Downloading HP PC Hardware Diagnostics Uefi to a USB devicePage Contacting support SupportLabels Specifications Input powerOperating environment Specifications Traveling with the computer Appendix a Traveling with the computer Computer is unable to start up TroubleshootingTroubleshooting resources Resolving issuesAn external device is not working Software is functioning abnormallyComputer is on but not responding Computer is unusually warmWireless network connection is not working Disc does not playMovie is not visible on an external display Page Electrostatic discharge Appendix C Electrostatic discharge Index Symbols/NumericsMaintenance SIM