HP ZBook 15 Mobile Using external AC power, Disposing of a used battery, Replacing the battery

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Disposing of a used battery

WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short external contacts; do not dispose of in fire or water.

See the Regulatory, Safety, and Environmental Notices for battery disposal information.

Replacing the battery

Computer battery life varies, depending on power management settings, programs running on the computer, display brightness, external devices connected to the computer, and other factors.

You can find details about the battery by clicking the Battery icon in the notification area, at the far right of the taskbar, and then click Laptop Battery.

NOTE: To ensure that you always have battery power when you need it, HP recommends purchasing a new battery when the storage capacity indicator turns green-yellow.

Using external AC power

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.

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 battery while you are onboard aircraft.

●When you are charging or calibrating a battery

●When you are installing or modifying system software

●When 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 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.

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.

Using external AC power 35

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Contents HP Notebook Product notice Safety warning notice Iv Safety warning notice Table of contents VGA Vii Security Input power Operating environment Page Welcome Resources For information about Finding informationGetting to know your computer TopTouchPad Lights Select Computer Control Center Buttons and fingerprint reader select models onlyFn key KeysFront Environmental Notices RightLeft See Using a USB device onRear Display Bottom Bottom Identifying wireless and network status icons Using an Internet service provider ISPCreating a wireless connection Turning wireless devices on and offConnecting to an existing Wlan Using a WlanSetting up a new Wlan Using the operating system controlsProtecting your Wlan Connecting to a wired network Using Bluetooth wireless devices select models onlyConnecting to a local area network LAN select models only Roaming to another networkPage Using the keyboard Keyboard and pointing devicesIdentifying the hot keys Using keypads Using the TouchPadUsing the integrated numeric keypad Using an optional external numeric keypadUsing TouchPad gestures NavigatingSelecting Scrolling TappingRotating select models only Pinching/ZoomingUsing the pointing stick Setting pointing device preferencesUsing the audio features Adjusting the volumeMultimedia Using the webcam select models only Using video devicesChecking your audio functions Select Configure Display Settings Click Detect Monitors DisplayPort Setting power options Power managementUsing power-saving states Shutting down the computerUsing power management Using the Power iconInitiating and exiting Suspend Initiating and exiting HibernationDisplaying the remaining battery charge Using battery powerInserting or removing the battery Viewing the current power management settingsCharging a battery Maximizing battery life Managing low battery levelsIdentifying low battery levels Conserving battery power Storing a batteryResolving a low battery level Disposing of a used battery Using external AC powerReplacing the battery Testing an AC adapterPage Removing or replacing the service cover DrivesHandling drives Replacing the service cover Removing the service coverRemoving the hard drive Replacing or upgrading the hard drivePage Installing a hard drive External cards and devices Using memory cardsInserting a memory card Removing a memory cardUsing smart cards select models only Using ExpressCards select models only Inserting a smart cardRemoving a smart card Inserting an ExpressCard Configuring an ExpressCardRemoving an ExpressCard Using a USB deviceConnecting a USB device Using optional external devicesUsing optional external drives Using the docking connectorMemory modules Page Page Using passwords SecurityProtecting the computer Setting passwords in the operating system Setting passwords in Computer SetupManaging a Bios administrator password Entering a Bios administrator password Using a Computer Setup DriveLock passwordManaging a DriveLock password Entering a DriveLock passwordUsing Computer Setup Automatic DriveLock Using firewall softwareManaging an Automatic DriveLock password Installing an optional security cable Using the fingerprint reader select models onlyEnabling fingerprint authentication during logon Select the Use Fingerprint Reader option Enrolling your fingerprintCreating backups Backup and RecoveryCreating restore media Backing up your informationPerforming a system recovery Remove everything and reinstall Sled Starting Computer Setup Computer Setup Bios and Advanced System DiagnosticsUsing Computer Setup Navigating and selecting in Computer SetupUpdating the Bios Restoring factory settings in Computer SetupDetermining the Bios version Downloading a Bios update Using Advanced System Diagnostics About the boot device order MultiBootConsidering boot order changes Enabling boot devices in Computer SetupSetting a new boot order in Computer Setup Choosing MultiBoot preferencesDynamically choosing a boot device using the f9 prompt Setting a MultiBoot Express promptEntering MultiBoot Express preferences Troubleshooting Troubleshooting and supportWireless network connection is not working Computer is unusually warmAn external device is not working Computer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting support Labels Serial number Product number Cleaning products Cleaning your computerCleaning procedures Cleaning the displayCleaning the TouchPad, keyboard, or mouse Specifications Input powerOperating environment Electrostatic discharge