HP Maximize Your ZBook Performance with Effective Cleaning Techniques

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3.Insert the battery (see Inserting a battery on page 41).

4.Replace the service door (see Replacing the service door on page 52).

5.Connect AC power and external devices to the computer.

6.Turn on the computer.

Improving hard drive performance

Using Disk Defragmenter

As you use the computer, files on the hard drive become fragmented. Disk Defragmenter consolidates the fragmented files and folders on the hard drive so that the system can run more efficiently.

NOTE: It is not necessary to run Disk Defragmenter on solid-state drives.

After you start Disk Defragmenter, it works without supervision. Depending on the size of your hard drive and the number of fragmented files, Disk Defragmenter may take more than an hour to complete. You may want to set it to run during the night or at another time when you do not need access to your computer.

HP recommends defragmenting your hard drive at least once a month. You may set Disk Defragmenter to run on a monthly schedule, but you can defragment your computer manually at any time.

To run Disk Defragmenter:

1.Connect the computer to AC power.

2.On the Start screen, type disk, click Settings, and then select Defragment and optimize your drives.

3.Click Optimize.

NOTE: Windows includes the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to HP Support Assistant. To access HP Support Assistant on the Start screen, select the HP Support Assistant app.

For additional information, access the Disk Defragmenter software Help.

Using Disk Cleanup

Disk Cleanup searches the hard drive for unnecessary files that you can safely delete to free up disk space and help the computer to run more efficiently.

To run Disk Cleanup:

1.On the Start screen, type disk, click Settings, and then select Free up disk space by deleting unnecessary files.

2.Follow the on-screen instructions.

Using hard drives 55

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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 TouchPad Getting to know your computerTop 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 Connecting to a wireless network Connecting to a networkUsing the wireless controls Using the wireless buttonUsing an Internet service provider Using a WlanUsing operating system controls Protecting your Wlan Setting up a WlanConfiguring a wireless router Connecting to a Wlan Using HP Mobile Broadband select models onlyInserting and removing a SIM Using GPS select models only Connecting to a wired networkUsing Bluetooth wireless devices Connecting to a local area network LANPage Setting pointing device preferences Using pointing devicesUsing the pointing stick select models only Using the TouchPadTurning 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 swipeIdentifying the hot keys Using the keyboardUsing Microsoft Windows 8 shortcut keys Using keypads Using the embedded numeric keypad Turning the embedded numeric keypad on and off Using an optional external numeric keypadConnecting speakers Using the media activity controlsAdjusting the volume MultimediaConnecting a microphone Connecting headphonesWebcam select models only Checking audio functions on the computerDisplayPort VideoIntel Wireless Display select models only Shutting down the computer Power managementUsing power-saving states Setting power optionsIntel Rapid Start Technology Initiating and exiting SleepUsing the power meter and power settings Using battery powerSetting password protection on wakeup Enabling and exiting user-initiated HibernationUsing Battery Check Finding additional battery informationDisplaying the remaining battery charge Maximizing battery discharge timeInserting or removing the battery Managing low battery levelsRemoving a battery Storing a user-replaceable battery Conserving battery powerReplacing a user-replaceable battery select models only Using external AC powerDisposing of a user-replaceable battery select models only Hybrid Graphics select models only Testing an AC adapterUsing Hybrid Graphics select models only External cards and devices Using memory card readersInserting a memory card Removing a memory cardInserting a smart card Using smart cards select models onlyRemoving a smart card Using a USB deviceRemoving a USB device Using optional external devicesConnecting a USB device Using optional external drives Handling drives Using hard drivesDrives Replacing the service door Removing or replacing the service doorRemoving the service door Removing the hard drive Replacing or upgrading the hard driveInstalling a hard drive Improving hard drive performance Using Disk DefragmenterUsing Disk Cleanup Identifying HP 3D DriveGuard status Using HP 3D DriveGuardProtecting the computer Using passwordsSecurity 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 Removing DriveLock protection Entering a DriveLock passwordChanging a DriveLock password Removing Automatic DriveLock protection Using Computer Setup Automatic DriveLockEntering an Automatic DriveLock password Installing critical security updates Using antivirus softwareUsing firewall software Using the fingerprint reader select models only Using HP Client Security select models onlyInstalling an optional security cable Locating the fingerprint reader Adding or replacing memory modules MaintenancePage Cleaning your computer Cleaning the display All-in-Ones or Notebooks Cleaning proceduresCleaning the sides or cover Cleaning the TouchPad, keyboard, or mouseUsing 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 Using Computer Setup Computer Setup BIOS, MultiBoot, and System DiagnosticsStarting Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Downloading a Bios update Updating the BiosDetermining the Bios version Choosing MultiBoot preferences Using MultiBootAbout the boot device order Setting a MultiBoot Express prompt Setting a new boot order in Computer SetupDynamically choosing a boot device using the f9 prompt Entering MultiBoot Express preferences Using System DiagnosticsUsing System Diagnostics Contacting support SupportComponent LabelsSerial number Product number Operating environment SpecificationsInput power Traveling with the computer Troubleshooting resources TroubleshootingResolving issues Computer is unable to start upSoftware is functioning abnormally Computer screen is blankComputer is on but not responding Computer is unusually warmDisc does not play Wireless network connection is not workingAn external device is not working Movie is not visible on an external display Electrostatic discharge Index BiosWlan SIM

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