Using external AC power | HP 8470p 14' C4P35UP#ABA specification

Using external AC power

External AC power is supplied through one of the following devices:

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.

●Approved AC adapter

●Optional docking device

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 you are charging or calibrating a battery

●When you are installing or modifying system software

●When you are writing information to a CD or DVD

When you connect the computer to external AC power, the following events occur:

●The battery begins to charge.

●If the computer is turned on, the battery meter icon in the notification area changes appearance. When you disconnect external AC power, the following events occur:

●The computer switches to battery power.

●The display brightness is automatically decreased to save battery life. To increase display brightness, press the fn+f10 hotkey or reconnect the AC adapter.

Connecting the AC adapter

WARNING! To reduce the risk of electric shock or damage to the equipment:

Plug the power cord into an AC outlet that is easily accessible at all times.

Disconnect power from the computer by unplugging the power cord from the AC outlet (not by unplugging the power cord from the computer).

If provided with a 3-pin attachment plug on the power cord, plug the cord into a grounded (earthed) 3- pin outlet. Do not disable the power cord grounding pin, for example, by attaching a 2-pin adapter. The grounding pin is an important safety feature.

To connect the computer to external AC power:

1.Plug the AC adapter into the power connector (1) on the computer.

2.Plug the power cord into the AC adapter (2).

70 Chapter 5 Power management

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HP 8470p 14' C4P35UP#ABA, D0T70US 14 D0T70US#ABA, 15.6 C6Y99UT#ABA manual Using external AC power, Connecting the AC adapter

Contents

HP EliteBook User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Webcam tips Adjusting webcam properties Vii Power management Drives Security 169 Xii Top components FeaturesIdentifying hardware Pointing devices Features Lights Volume Buttons, switches, and fingerprint reader Power Options Wireless connection Front components Keys Off If the computer is plugged into an external power source Right-side components Left-side components Vent enables airflow to cool internal components Rear components Bottom components Wireless antennas select models only Display Additional hardware components Identifying the labels Page Wireless, modem, and local area network Using wireless devices select models only Using the wireless controls Identifying wireless and network iconsUsing the wireless button Using HP Connection Manager select models only Using Wireless Assistant software select models onlySelect Start All Programs HP HP Connection Manager Using operating system controls Setting up a Wlan Using a WlanProtecting your Wlan Use wireless encryption Connecting to a WlanUse a wireless transmitter with built-in security Work behind a firewall Roaming to another network Using HP Mobile Broadband select models only Inserting a SIM Removing a SIM Page Using Bluetooth wireless devices select models only Bluetooth and Internet Connection Sharing ICS Troubleshooting wireless connection problems Cannot create a Wlan connection Network icon is not displayed Cannot connect to a preferred networkCurrent network security codes are unavailable Cannot connect to the wireless router Wlan connection is very weak Using the modem select models only Connecting a modem cable Selecting a location setting Connecting a country-specific modem cable adapterViewing the current location selection Adding new locations when traveling Select Start Devices and Printers Check for pulse or tone dialing Solving travel connection problemsCheck the telephone line type Set the modem to ignore dial tones Connecting to a local area network LAN Clear the check box for Wait for dial tone before dialing Using the keyboard Using pointing devicesPointing devices and keyboard Displaying system information Function Hotkey Initiating Sleep Switching the screen image Viewing battery charge information Increasing screen brightness Decreasing screen brightnessActivating the ambient light sensor Using HP Quick Launch Buttons Opening the Quick Launch Buttons control panel Using HP QuickLook Using the integrated numeric keypad Using HP QuickWebUsing an optional external numeric keypad Cleaning the TouchPad and keyboard Adjusting the volume Multimedia featuresMultimedia Multimedia software Installing your preloaded multimedia software Accessing your preinstalled multimedia softwareInstalling multimedia software from a disc Audio Connecting external audio devicesSelect Start All Programs Accessories Sound Recorder Checking your audio functionsPage Using the DisplayPort Connecting an external monitor or projectorUsing the external monitor port Video Using the DreamColor display select models only Optical drive select models only Identifying the installed optical driveUsing optical discs CDs, DVDs, and BDs Selecting the right disc CDs, DVDs, and BDs DVD±R discs CD-R discsCD-RW discs DVD±RW discs Playing a CD, DVD, or BD Select Start Default Programs Change AutoPlay settings Configuring AutoPlayChanging DVD region settings Observing the copyright warning Creating burning a CD, DVD, or BD Copying a CD, DVD, or BDSelect Start All Programs Roxio Creator Business Troubleshooting Removing an optical disc CD, DVD, or BD Computer does not detect the optical drive Click Advanced Settings Monitor tab Disc does not play Movie stops, skips, or plays erratically Disc does not play automaticallyMovie is not visible on an external display Device driver must be reinstalled Obtaining the latest HP device drivers To use Windows Update Webcam Adjusting webcam propertiesWebcam tips Capturing business card images Select Start All Programs HP HP Business Card ReaderPage Using power-saving states Power managementSetting power options Initiating and exiting Sleep Initiating and exiting Hibernation Using the battery meterUsing power plans Click Hibernate Selecting a different power plan Setting password protection on wakeupViewing the current power plan Customizing power plans Using external AC power Connecting the AC adapter Using battery power Finding battery information in Help and Support Displaying the remaining battery charge Using Battery CheckInserting or removing the battery Charging a battery Managing low battery levels Maximizing battery discharge timeIdentifying low battery levels Page Resolving a low battery level Calibrating a batteryFully charge the battery Disable Hibernation and Sleep Discharge the batteryPage Fully recharge the battery Conserving battery powerReenable Hibernation and Sleep Disposing of a used battery Storing a batteryReplacing the battery Shutting down the computer Testing an AC adapterClick Shut down Page Drives Identifying installed drivesHandling drives Page Using Disk Cleanup Using Disk DefragmenterImproving hard drive performance Using HP 3D DriveGuard Identifying HP 3D DriveGuard status Using HP 3D DriveGuard software Replacing the hard drive in the hard drive bay Page Page Replacing a drive in the upgrade bay Replacing a hard drivePage Page Replacing an optical drive Page Page External devices Using a USB deviceConnecting a USB device Stopping and removing a USB device Using USB legacy support Connecting a 1394 device Using a 1394 deviceStopping and removing a 1394 device Connecting an eSATA device Using an eSATA deviceStopping and removing an eSATA device Using external drives Using optional external devices Using the docking connector External media cards Using Media Card Reader cardsInserting a digital card Stopping and removing a digital card Configuring an ExpressCard Using ExpressCards select models onlyInserting an ExpressCard Stopping and removing an ExpressCard Inserting a smart card Using Smart Cards select models onlyRemoving a smart card Page Memory modules Page Page Page Upgrading a memory module in the primary memory module slot Page Page Page Security Protecting the computer Setting passwords in Windows Using passwordsSetting passwords in Computer Setup Bios administrator password Managing a Bios administrator password Using Computer Setup DriveLock Entering a Bios administrator password Setting a DriveLock password Entering a DriveLock password Changing a DriveLock password Entering an Automatic DriveLock password Using Computer Setup Auto DriveLockRemoving DriveLock protection Removing Automatic DriveLock protection Viewing Computer Setup System Information Using Computer Setup security featuresSecuring system devices Using Computer Setup System IDs Using antivirus software Using firewall software Installing critical updates Using HP ProtectTools Security Manager select models only Installing a security cable Software updates Updating softwarePage Updating the Bios Determining the Bios version Downloading a Bios update Page Updating programs and drivers Click Download Using SoftPaq Download Manager Backup and recovery Select Start All Programs Maintenance Backup and Restore Backing up your information Backing up your information Using the Windows recovery tools Performing a recoverySelect Startup Repair Using f11 Using a Windows 7 operating system DVD purchased separately Select Repair your computer Using Computer Setup Computer SetupStarting Computer Setup Navigating and selecting in Computer Setup Computer Setup menus Restoring factory settings in Computer Setup File menu Security menu System Configuration menu User Tools USB port to the computer Computer Setup Computer Setup menus Ansi MultiBoot About the boot device orderPage Enabling boot devices in Computer Setup Considering boot order changes Setting a new boot order in Computer Setup Choosing MultiBoot preferencesDynamically choosing a boot device using the F9 prompt Setting a MultiBoot Express prompt Entering MultiBoot Express preferences Configuring and deploying a software image Using Client Management SolutionsManagement and printing Managing and updating software HP Client Manager for Altiris select models onlyPage HP CCM Client Configuration Manager select models only HP SSM System Software Manager Using the MEBx setup utility menus Using Intel Active Management Technology select models onlyEnabling the iAMT solution Intel ME Configuration IAMT Configuration Change Intel ME Password Using the HP Universal Print Driver select models only Symbols/Numerics Index DVD-ROM USB Jacks Ssid SIM AMT