HP ZBook 14 Mobile manual Hybrid Graphics select models only, Testing an AC adapter

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Testing an AC adapter

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.

To test the AC adapter:

NOTE: The following instructions apply to computers with user-replaceable batteries.

1.Shut down the computer.

2.Remove the service door (see Removing the service door on page 52).

3.Remove the battery (see Removing a battery on page 42).

4.Connect the AC adapter to the computer, and then plug it into an AC outlet.

5.Turn on the computer.

●If the power lights turn on, the AC adapter is working properly.

●If the power lights remain off, the AC adapter is not functioning and should be replaced. Contact support for information on obtaining a replacement AC power adapter.

Hybrid Graphics (select models only)

Select computers are equipped with the Hybrid Graphics feature.

NOTE: To determine if Hybrid Graphics is installed on your computer, see your notebook graphics processor configuration and software Help.

Hybrid Graphics offers two modes for processing graphics:

●High Performance mode—Applications assigned to this mode run on the higher-performance graphics processing unit (GPU) for optimal performance.

●Power Saving mode—Applications assigned to this mode run on the lower-performance GPU to conserve battery power.

Using Hybrid Graphics (select models only)

The Hybrid Graphics feature allows an application to run in either High Performance mode or Power Saving mode, based on the application’s graphics-processing demands. Typically, 3D and gaming applications run on the higher-performance GPU, and applications with lightweight graphics- processing demands run on the lower-performance GPU. You can change the mode an application uses (High Performance or Power Saving) through the Hybrid Graphics control panel.

NOTE: Due to hardware limitations, some applications can be run in only one of the two modes.

For more information, see your Hybrid Graphics software Help.

Setting power options 45

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents VGA External cards and devices Adding or replacing memory modules Viii Contacting support Labels Input power Operating environment Welcome Resources For information about Finding informationThen select Warranty and services Top Getting to know your computerTouchPad Lights Buttons and fingerprint reader select models only Fn key KeysFront Right Regulatory, Safety, and Environmental Notices . To accessLeft Select the HP Support Assistant app DisplayBottom Computer by the governmental agency SIM slot select models only Using the wireless button Connecting to a networkConnecting to a wireless network Using the wireless controlsUsing operating system controls Using a WlanUsing an Internet service provider Configuring a wireless router Setting up a WlanProtecting your Wlan Connecting to a Wlan Using HP Mobile Broadband select models onlyInserting and removing a SIM Connecting to a local area network LAN Connecting to a wired networkUsing GPS select models only Using Bluetooth wireless devicesPage Using the TouchPad Using pointing devicesSetting pointing device preferences Using the pointing stick select models onlyTurning the TouchPad off and on Using TouchPad GesturesOne-finger slide Scrolling Rotating select models only Right-edge swipe Edge swipes select models onlyLeft-edge swipe Top-edge swipeUsing Microsoft Windows 8 shortcut keys Using the keyboardIdentifying the hot keys Using keypads Using the embedded numeric keypad Turning the embedded numeric keypad on and off Using an optional external numeric keypadMultimedia Using the media activity controlsConnecting speakers Adjusting the volumeChecking audio functions on the computer Connecting headphonesConnecting a microphone Webcam select models onlyDisplayPort VideoIntel Wireless Display select models only Shutting down the computer Power managementInitiating and exiting Sleep Setting power optionsUsing power-saving states Intel Rapid Start TechnologyEnabling and exiting user-initiated Hibernation Using battery powerUsing the power meter and power settings Setting password protection on wakeupMaximizing battery discharge time Finding additional battery informationUsing Battery Check Displaying the remaining battery chargeInserting or removing the battery Managing low battery levelsRemoving a battery Storing a user-replaceable battery Conserving battery powerDisposing of a user-replaceable battery select models only Using external AC powerReplacing a user-replaceable battery select models only Using Hybrid Graphics select models only Testing an AC adapterHybrid Graphics select models only Removing a memory card Using memory card readersExternal cards and devices Inserting a memory cardInserting a smart card Using smart cards select models onlyRemoving a smart card Using a USB deviceConnecting a USB device Using optional external devicesRemoving a USB device Using optional external drives Drives Using hard drivesHandling drives Removing the service door Removing or replacing the service doorReplacing the service door Removing the hard drive Replacing or upgrading the hard driveInstalling a hard drive Using Disk Cleanup Using Disk DefragmenterImproving hard drive performance Identifying HP 3D DriveGuard status Using HP 3D DriveGuardSecurity Using passwordsProtecting 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 passwordRemoving DriveLock protection Entering an Automatic DriveLock password Using Computer Setup Automatic DriveLockRemoving Automatic DriveLock protection Using firewall software Using antivirus softwareInstalling critical security updates Installing an optional security cable Using HP Client Security select models onlyUsing the fingerprint reader select models only Locating the fingerprint reader Adding or replacing memory modules MaintenancePage Cleaning your computer Cleaning the TouchPad, keyboard, or mouse Cleaning proceduresCleaning the display All-in-Ones or Notebooks Cleaning the sides or coverUsing SoftPaq Download Manager Backing up your information Backup and recoveryUsing the Windows recovery tools Performing a system recoveryUsing Windows 8 operating system media purchased separately Using f11 recovery toolsRemove everything and reinstall Windows Using Windows Refresh for quick and easy recoveryUsing HP Software Setup Navigating and selecting in Computer Setup Computer Setup BIOS, MultiBoot, and System DiagnosticsUsing Computer Setup Starting Computer SetupRestoring factory settings in Computer Setup Determining the Bios version Updating the BiosDownloading a Bios update About the boot device order Using MultiBootChoosing MultiBoot preferences Dynamically choosing a boot device using the f9 prompt Setting a new boot order in Computer SetupSetting a MultiBoot Express prompt Entering MultiBoot Express preferences Using System DiagnosticsUsing System Diagnostics Contacting support SupportComponent LabelsSerial number Product number Input power SpecificationsOperating environment Traveling with the computer Computer is unable to start up TroubleshootingTroubleshooting resources Resolving issuesComputer is unusually warm Computer screen is blankSoftware is functioning abnormally Computer is on but not respondingAn external device is not working Wireless network connection is not workingDisc does not play Movie is not visible on an external display Electrostatic discharge Index BiosWlan SIM

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