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HP EliteBook 15.6 C6Y99UT#ABA, 8470p 14' C4P35UP#ABA, D0T70US 14 D0T70US#ABA manual 90

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To discharge a battery:

1.Unplug the computer from its external power source, but do not turn off the computer.

2.Run the computer on battery power until the battery is discharged. The battery light begins to blink when the battery has discharged to a low battery level. When the battery is discharged, the battery light turns off and the computer shuts down.

78 Chapter 5 Power management

Contents

Page Page Safety warning notice Page Table of contents 3 Pointing devices and keyboard 4 Multimedia Page 5 Power management 6 Drives 7 External devices 8 External media cards 9 Memory modules 10 Security 11 Software updates 12 Backup and recovery 13 Computer Setup 14 MultiBoot 15 Management and printing Page 1 Features Identifying hardware Top components Pointing devices Page Lights Page Buttons, switches, and fingerprint reader Page Keys Front components Page Right-sidecomponents Left-sidecomponents Rear components Bottom components Display Wireless antennas (select models only) Additional hardware components Identifying the labels Page 2Wireless, modem, and local area network Using wireless devices (select models only) Identifying wireless and network icons Using the wireless controls Using the wireless button Using Wireless Assistant software (select models only) Using HP Connection Manager (select models only) Using operating system controls Using a WLAN Setting up a WLAN Protecting your WLAN Connecting to a WLAN 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 Cannot connect to a preferred network Network icon is not displayed Current network security codes are unavailable WLAN connection is very weak Cannot connect to the wireless router Using the modem (select models only) Connecting a modem cable Connecting a country-specificmodem cable adapter Selecting a location setting Viewing the current location selection Adding new locations when traveling Solving travel connection problems Connecting to a local area network (LAN) 3 Pointing devices and keyboard Using pointing devices Setting pointing device preferences Using the TouchPad Using the pointing stick Displaying system information Initiating Sleep Switching the screen image Viewing battery charge information Decreasing screen brightness Increasing screen brightness Activating the ambient light sensor Using HP Quick Launch Buttons Opening the Quick Launch Buttons control panel Using HP QuickLook Using HP QuickWeb Using the integrated numeric keypad Using an optional external numeric keypad Cleaning the TouchPad and keyboard 4 Multimedia Multimedia features Adjusting the volume Multimedia software Accessing your preinstalled multimedia software Installing your preloaded multimedia software Installing multimedia software from a disc Audio Connecting external audio devices Checking your audio functions Start > Control Panel > Hardware and Sound > Sound Video Connecting an external monitor or projector Using the external monitor port Using the DisplayPort Using the DreamColor display (select models only) Optical drive (select models only) Identifying the installed optical drive Using optical discs (CDs, DVDs, and BDs) Selecting the right disc (CDs, DVDs, and BDs) CD-Rdiscs CD-RWdiscs DVD±R discs DVD±RW discs LightScribe DVD+R discs Playing a CD, DVD, or BD Configuring AutoPlay Changing DVD region settings Observing the copyright warning Copying a CD, DVD, or BD Creating (burning) a CD, DVD, or BD Removing an optical disc (CD, DVD, or BD) Troubleshooting The optical disc tray does not open for removal of a CD, DVD, or BD The computer does not detect the optical drive A disc does not play A disc does not play automatically A movie stops, skips, or plays erratically A movie is not visible on an external display The process of burning a disc does not begin, or it stops before completion A device driver must be reinstalled 1.Click Start > All Programs > Windows Update 2.Click Check for updates Webcam Webcam tips Adjusting webcam properties Capturing business card images Page 5 Power management Setting power options Using power-savingstates Initiating and exiting Sleep Initiating and exiting Hibernation Using the battery meter Using power plans Viewing the current power plan Selecting a different power plan Customizing power plans Setting password protection on wakeup Using external AC power Connecting the AC adapter Using battery power Finding battery information in Help and Support Using Battery Check Displaying the remaining battery charge Inserting or removing the battery Charging a battery Maximizing battery discharge time Managing low battery levels Identifying low battery levels Page Resolving a low battery level Calibrating a battery Step 1: Fully charge the battery Step 2: Disable Hibernation and Sleep Step 3: Discharge the battery Page Step 4: Fully recharge the battery Step 5: Reenable Hibernation and Sleep Conserving battery power Storing a battery Disposing of a used battery Replacing the battery Testing an AC adapter Shutting down the computer Page 6 Drives Identifying installed drives Handling drives Page Improving hard drive performance Using Disk Defragmenter Using Disk Cleanup 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 drive Page Page Replacing an optical drive Page Page 7 External devices Using a USB device Connecting a USB device Stopping and removing a USB device Using USB legacy support Using a 1394 device Connecting a 1394 device Stopping and removing a 1394 device Using an eSATA device Connecting an eSATA device Stopping and removing an eSATA device Using external drives Using optional external devices Using the docking connector 8 External media cards Using Media Card Reader cards Inserting a digital card Stopping and removing a digital card Using ExpressCards (select models only) Configuring an ExpressCard Inserting an ExpressCard Stopping and removing an ExpressCard Using Smart Cards (select models only) Inserting a smart card Removing a smart card Page 9 Memory modules Adding or replacing a memory module in the expansion memory module slot Page Page Upgrading a memory module in the primary memory module slot Page Page Page 10 Security Protecting the computer Using passwords Setting passwords in Windows Setting passwords in Computer Setup BIOS administrator password Managing a BIOS administrator password Entering a BIOS administrator password Using Computer Setup DriveLock Setting a DriveLock password Entering a DriveLock password Changing a DriveLock password Removing DriveLock protection Using Computer Setup Auto DriveLock Entering an Automatic DriveLock password Removing Automatic DriveLock protection Using Computer Setup security features Securing system devices Viewing Computer Setup System Information 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 11 Software updates Updating software Page Updating the BIOS Determining the BIOS version Downloading a BIOS update Page Updating programs and drivers Using SoftPaq Download Manager 12 Backup and recovery Backing up your information Page Performing a recovery Using the Windows recovery tools Using f11 Using a Windows 7 operating system DVD (purchased separately) 6.Select Repair your computer 13 Computer Setup Starting Computer Setup Using Computer Setup Navigating and selecting in Computer Setup Restoring factory settings in Computer Setup Computer Setup menus File menu Security menu System Configuration menu Page Page Page Page 14 MultiBoot About the boot device order Page Enabling boot devices in Computer Setup Considering boot order changes Choosing MultiBoot preferences Setting a new boot order in Computer Setup Dynamically choosing a boot device using the F9 prompt Setting a MultiBoot Express prompt Entering MultiBoot Express preferences 15 Management and printing Using Client Management Solutions Configuring and deploying a software image Managing and updating software HP Client Manager for Altiris (select models only) Page HP CCM (Client Configuration Manager) (select models only) HP SSM (System Software Manager) Using Intel Active Management Technology (select models only) Enabling the iAMT solution Using the MEBx setup utility menus iAMT Configuration Change Intel ME Password Using the HP Universal Print Driver (select models only) Index Page J jacks