Troubleshooting resources | HP ZBook 14 Mobile guide

B Troubleshooting

The following sections are included in this appendix:

Troubleshooting resources

●Access website links and additional information about the computer through HP Support Assistant. To access HP Support Assistant on the Start screen, select the HP Support Assistant app.

NOTE: Some checkup and repair tools require an Internet connection. HP also provides additional tools that do not require an Internet connection.

●Contact HP support. For U.S. support, go to http://www.hp.com/go/contactHP. For worldwide support, go to http://welcome.hp.com/country/us/en/wwcontact_us.html.

Choose from the following types of support: ◦ Chat online with an HP technician.

NOTE: When chat is not available in a particular language, it is available in English.

◦E-mail HP support.

◦Find HP support worldwide telephone numbers.

◦Locate an HP service center.

Resolving issues

The following sections describe several common issues and solutions.

The computer is unable to start up

If the computer does not turn on when you press the power button, the following suggestions may help you determine why the computer does not start up:

●If the computer is plugged into an AC outlet, plug another electrical device into the outlet to be sure that the outlet is providing adequate power.

NOTE: Use only the AC adapter provided with the computer or one approved by HP for this computer.

●If the computer is plugged into an external power source other than an AC outlet, plug the computer into an AC outlet using the AC adapter. Be sure that the power cord and AC adapter connections are secure.

Troubleshooting resources 89

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HP ZBook 14 Mobile manual Troubleshooting resources, Resolving issues, Computer is unable to start up

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 information Then select Warranty and services Getting to know your computer TopTouchPad Lights Buttons and fingerprint reader select models only Fn key Keys Front Right Regulatory, Safety, and Environmental Notices . To access Left Select the HP Support Assistant app Display Bottom 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 controls Using 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 only Inserting 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 only Turning the TouchPad off and on Using TouchPad Gestures One-finger slide Scrolling Rotating select models only Right-edge swipe Edge swipes select models only Left-edge swipe Top-edge swipe Using the keyboard Using Microsoft Windows 8 shortcut keysIdentifying the hot keys Using keypads Using the embedded numeric keypad Turning the embedded numeric keypad on and off Using an optional external numeric keypad Multimedia Using the media activity controlsConnecting speakers Adjusting the volume Checking audio functions on the computer Connecting headphonesConnecting a microphone Webcam select models only DisplayPort Video Intel Wireless Display select models only Shutting down the computer Power management Initiating and exiting Sleep Setting power optionsUsing power-saving states Intel Rapid Start Technology Enabling and exiting user-initiated Hibernation Using battery powerUsing the power meter and power settings Setting password protection on wakeup Maximizing battery discharge time Finding additional battery informationUsing Battery Check Displaying the remaining battery charge Inserting or removing the battery Managing low battery levels Removing a battery Storing a user-replaceable battery Conserving battery power Using external AC power Disposing of a user-replaceable battery select models onlyReplacing a user-replaceable battery select models only Testing an AC adapter Using Hybrid Graphics select models onlyHybrid Graphics select models only Removing a memory card Using memory card readersExternal cards and devices Inserting a memory card Inserting a smart card Using smart cards select models only Removing a smart card Using a USB device Using optional external devices Connecting a USB deviceRemoving a USB device Using optional external drives Using hard drives DrivesHandling drives Removing or replacing the service door Removing the service doorReplacing the service door Removing the hard drive Replacing or upgrading the hard drive Installing a hard drive Using Disk Defragmenter Using Disk CleanupImproving hard drive performance Identifying HP 3D DriveGuard status Using HP 3D DriveGuard Using passwords SecurityProtecting the computer Password Function Setting passwords in Windows Managing a Bios administrator password Setting passwords in Computer Setup Entering a Bios administrator password Managing a Computer Setup DriveLock password Setting a DriveLock password Entering a DriveLock password Changing a DriveLock passwordRemoving DriveLock protection Using Computer Setup Automatic DriveLock Entering an Automatic DriveLock passwordRemoving Automatic DriveLock protection Using antivirus software Using firewall softwareInstalling critical security updates Using HP Client Security select models only Installing an optional security cableUsing 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 cover Using SoftPaq Download Manager Backing up your information Backup and recovery Using the Windows recovery tools Performing a system recovery Using Windows 8 operating system media purchased separately Using f11 recovery tools Remove everything and reinstall Windows Using Windows Refresh for quick and easy recovery Using HP Software Setup Navigating and selecting in Computer Setup Computer Setup BIOS, MultiBoot, and System DiagnosticsUsing Computer Setup Starting Computer Setup Restoring factory settings in Computer Setup Updating the Bios Determining the Bios versionDownloading a Bios update Using MultiBoot About the boot device orderChoosing MultiBoot preferences Setting a new boot order in Computer Setup Dynamically choosing a boot device using the f9 promptSetting a MultiBoot Express prompt Entering MultiBoot Express preferences Using System Diagnostics Using System Diagnostics Contacting support Support Component Labels Serial number Product number Specifications Input powerOperating environment Traveling with the computer Computer is unable to start up TroubleshootingTroubleshooting resources Resolving issues Computer is unusually warm Computer screen is blankSoftware is functioning abnormally Computer is on but not responding Wireless network connection is not working An external device is not workingDisc does not play Movie is not visible on an external display Electrostatic discharge Index Bios Wlan SIM