HP ProBook 4445s User Manual
HP ProBook 4445s User Manual

HP ProBook 4445s User Manual

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Summary of Contents for HP ProBook 4445s

  • Page 1 HP Notebook User Guide...
  • Page 2 Bluetooth is a trademark owned by its common to most models. Some features otherwise using any software product proprietor and used by Hewlett-Packard may not be available on your computer. preinstalled on this computer, you agree to Company under license. SD Logo is a...
  • Page 3 Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.
  • Page 4 Safety warning notice...
  • Page 5: Table Of Contents

    Table of contents 1 Welcome ................................1 Finding information ..........................2 2 Getting to know your computer ........................3 Top ............................... 3 TouchPad ..........................3 Lights ........................... 4 Buttons speakers, and fingerprint reader (select models only) ..........6 Keys ............................. 9 Front ..............................
  • Page 6 Using the embedded numeric keypad (select models only) ......25 Turning the embedded numeric keypad on and off ......25 Switching key functions on the embedded numeric keypad ..... 26 Using the integrated numeric keypad (select models only) ....... 26 Using an optional external numeric keypad ............
  • Page 7 Resolving a low battery level ................41 Resolving a low battery level when external power is available ..41 Resolving a low battery level when a charged battery is available ... 41 Resolving a low battery level when no power source is available ..41 Resolving a low battery level when the computer cannot exit Hibernation ..................
  • Page 8 9 Memory modules ............................57 10 Security ................................ 60 Protecting the computer ........................60 Using passwords ..........................60 Setting passwords in the operating system ............... 61 Setting passwords in Computer Setup ................61 Managing a BIOS administrator password ............62 Entering a BIOS administrator password ............
  • Page 9 Dynamically choosing a boot device using the f9 prompt ..........76 Setting a MultiBoot Express prompt .................. 76 Entering MultiBoot Express preferences ................76 Appendix A Troubleshooting and support ....................77 Troubleshooting ..........................77 The computer is unable to start up ..................77 The computer screen is blank ....................
  • Page 11: Welcome

    Welcome After you set up and register the computer, take the following steps: ● Connect to the Internet—Set up your wired or wireless network so that you can connect to the Internet. For more information, refer to Networking on page ●...
  • Page 12: Finding Information

    North America: Hewlett-Packard, MS POD, 11311 Chinden Blvd, Boise, ID 83714, USA ● Europe, Middle East, Africa: Hewlett-Packard, POD, Via G. Di Vittorio, 9, 20063, Cernusco s/Naviglio (MI), Italy ● Asia Pacific: Hewlett-Packard, POD, P.O. Box 200, Alexandra Post Office, Singapore 911507 When you request a printed copy of your warranty, please include your product number, warranty period (found on your service label), name, and postal address.
  • Page 13: Getting To Know Your Computer

    Getting to know your computer TouchPad NOTE: Your computer may look slightly different from the illustration in this section. Component Description TouchPad on/off button Turns the TouchPad on and off. TouchPad zone Moves the pointer and selects or activates items on the screen.
  • Page 14: Lights

    Lights NOTE: Refer to the illustration that most closely matches your computer. Component Description ● Power light On: The computer is on. ● Blinking: The computer is in the Suspend state. ● Off: The computer is off or in Hibernation. Caps lock light On: Caps lock is on.
  • Page 15 Component Description ● Power light On: The computer is on. ● Blinking: The computer is in the Suspend state. ● Off: The computer is off or in Hibernation. Caps lock light On: Caps lock is on. ● Web browser light On: The computer is on.
  • Page 16: Buttons Speakers, And Fingerprint Reader (Select Models Only)

    Buttons speakers, and fingerprint reader (select models only) NOTE: Refer to the illustration that most closely matches your computer. Component Description ● Power button When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button briefly to initiate Suspend.
  • Page 17 Component Description Wireless button Turns the wireless feature on or off but does not establish a wireless connection. NOTE: A wireless connection may be established if one has been previously configured. Fingerprint reader (select models only) Allows a fingerprint logon to the operating system, instead of a password logon.
  • Page 18 Component Description ● Power button When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button briefly to initiate Suspend. ● When the computer is in the Suspend state, press the button briefly to exit Suspend.
  • Page 19: Keys

    Keys NOTE: Refer to the illustration that most closely matches your computer. Component Description Executes frequently used system functions when pressed in combination with a function key. Operating system logo key Displays the operating system menu. Function keys Execute frequently used system functions when pressed in combination with the key.
  • Page 20 Component Description Executes frequently used system functions when pressed in combination with a function key. Operating system logo key Displays the operating system menu. Function keys Execute frequently used system functions when pressed in combination with the key. For more information, see Keyboard and pointing devices on page 24 Operating system applications key Displays a shortcut menu for items beneath the cursor.
  • Page 21: Front

    Front Component Description ● Hard drive light Blinking white: The hard drive or optical drive is being accessed. ● Amber: HP 3D DriveGuard has temporarily parked the hard drive. Media Card Reader Supports the following digital card formats: ● Memory Stick PRO ●...
  • Page 22: Right

    Right Component Description USB 2.0 port Connect an optional USB device. Optical drive (select models only) Reads an optical disc. NOTE: On select models, the optical drive also writes to an optical disc. Optical drive light (select models only) Lights when the optical drive is active. Optical drive eject button (select models Releases the optical drive disc tray.
  • Page 23: Left

    Left Component Description Security cable slot Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it may not prevent the computer from being mishandled or stolen. Power connector Connects an AC adapter. ●...
  • Page 24: Display

    Display NOTE: Refer to the illustration that most closely matches your computer. Component Description WLAN antennas (2)* Send and receive wireless signals to communicate with wireless local area networks (WLAN). Internal microphone(s} (1 or 2 depending on Record sound. model) Webcam light (select models only) On: The webcam is in use.
  • Page 25 Component Description WLAN antennas (2)* Send and receive wireless signals to communicate with wireless local area networks (WLAN). Internal microphone(s) (1 or 2 depending on Record sound. model) Webcam light (select models only) On: The webcam is in use. Webcam (select models only) Records video and captures still photographs.
  • Page 26: Bottom

    Bottom NOTE: Your computer may look slightly different from the illustration in this section. Component Description ● Battery and service door release Releases the battery from the battery bay by latches sliding the release latches one time. ● When the battery has been removed from the battery bay, releases the service door from the computer by sliding the release latches a second time.
  • Page 27: Identifying The Bottom Parts Of The Computer

    Component Description Service door Protects the hard drive bay, the wireless LAN (WLAN) module slot, and the memory module slots. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region.
  • Page 28 Component Description Hard drive WLAN module slot (select models only) Chapter 2 Getting to know your computer...
  • Page 29: Networking

    Networking Your computer may support one or both of the following types of Internet access: ● Wireless—For mobile Internet access, you can use a wireless connection. Refer to Connecting to an existing WLAN on page 20 Setting up a new WLAN on page ●...
  • Page 30: Using The Operating System Controls

    NOTE: Refer to Getting to know your computer on page 3 for information on identifying the type and location of the wireless button on your computer. Using the operating system controls To enable or disable a wireless or wired network device: Right-click the Network Connection icon in the notification area, at the far right of the taskbar.
  • Page 31: Setting Up A New Wlan

    Setting up a new WLAN Required equipment: ● A broadband modem (either DSL or cable) (1) and high-speed Internet service purchased from an Internet service provider (ISP) ● A wireless router (purchased separately) (2) ● The wireless computer (3) The illustration below shows an example of a wireless network installation that is connected to the Internet.
  • Page 32: Roaming To Another Network

    NOTE: HP recommends that you select WPA2, which is the most advanced of the three encryption protocols. The use of WEP encryption is not recommended, because it can be overcome with little effort. ● Wi-Fi Protected Access (WPA) and Wi-Fi Protected Access II (WPA2) use security standards to encrypt and decrypt data transmitted over the network.
  • Page 33 To connect the network cable: Plug the network cable into the network jack (1) on the computer. Plug the other end of the cable into a network wall jack (2) or a router (not illustrated). WARNING! To reduce the risk of electric shock, fire, or damage to the equipment, do not plug a modem or telephone cable into the RJ-45 (network) jack.
  • Page 34: Keyboard And Pointing Devices

    Keyboard and pointing devices Using the keyboard Identifying the hotkeys A hotkey is a combination of the key and one of the function keys . To use a hotkey: ▲ Briefly press the key, and then briefly press the second key of the hotkey combination. Hotkey combination Description fn+f1...
  • Page 35: Using Keypads

    Hotkey combination Description fn+f10 Plays the previous track of an audio CD or the previous section of a DVD or a BD. fn+f11 Plays, pauses, or resumes an audio CD, a DVD, or a BD. fn+f12 Plays the next track of an audio CD or the next section of a DVD or a BD. Using keypads The computer includes either an embedded numeric keypad or an integrated numeric keypad.
  • Page 36: Switching Key Functions On The Embedded Numeric Keypad

    Switching key functions on the embedded numeric keypad You can temporarily alternate the functions of keys on the embedded numeric keypad between their standard keyboard functions and their keypad functions: ● To use the navigational function of a keypad key while the keypad is off, press and hold the key while pressing the keypad key.
  • Page 37: Navigating

    The following table shows and describes the TouchPad display icons. TouchPad light Icon Description Amber Indicates that the TouchPad is off. Indicates that the TouchPad is on. Navigating To move the pointer, slide one finger across the TouchPad in the direction you want the pointer to go. Selecting Use the left and right TouchPad buttons like the corresponding buttons on an external mouse.
  • Page 38 To view information about each gesture: Select Computer > More Applications. In the left pane, click System, and then click the TouchPad icon in the right pane. On the Device Settings tab, click the device, and then click Settings. Select the gesture to view information about its features. To turn the gestures on and off: Select Computer >...
  • Page 39: Scrolling

    Scrolling Scrolling is useful for moving up, down, or sideways on a page or image. To scroll, place two fingers slightly apart on the TouchPad, and then drag them across the TouchPad in an up, down, left, or right motion. NOTE: Scrolling speed is controlled by finger speed.
  • Page 40: Multimedia

    Multimedia Your computer includes the following: ● Integrated speakers ● Integrated microphones ● Integrated webcam (select models only) ● Preinstalled multimedia software ● Multimedia buttons or keys Using the audio features Your computer enables you to use a variety of audio features: ●...
  • Page 41: Checking Your Audio Functions

    Checking your audio functions To check the system sound on your computer, follow these steps: Select Computer > Control Center. In the left pane, click Hardware, and then click Sound in the right pane. Click the Sound Effects tab, and then select one of the sound options under Choose an alert sound to test each sound.
  • Page 42 ▲ To connect a VGA display device, connect the device cable to the external monitor port. Press fn+f4 to switch the image between the display devices connected to the computer. NOTE: Pressing fn+f4 allows you to switch between settings. You can toggle between a laptop panel, an external display in combination with the laptop panel, or one of the external monitors.
  • Page 43 Your display settings can be modified by clicking your monitor in the dialog box, and then selecting the Display properties tab or Multi-Display tab. After the settings are configured, click Apply, and then click OK. Your computer may require rebooting. Using video devices...
  • Page 44: Hdmi

    HDMI The HDMI port connects the computer to an optional video or audio device, such as a high-definition television. NOTE: To transmit video and/or audio signals through the HDMI port, you need an HDMI cable (purchased separately). One HDMI device can be connected to the HDMI port on the computer. The information displayed on the computer screen can be simultaneously displayed on the HDMI device.
  • Page 45: Power Management

    Power management Shutting down the computer CAUTION: Unsaved information will be lost when the computer is shut down. The shutdown command closes all open programs, including the operating system, and then turns off the display and computer. Shut down the computer under any of the following conditions: ●...
  • Page 46: Initiating And Exiting Suspend

    Initiating and exiting Suspend The system is set at the factory to initiate Suspend after a period of inactivity when running on battery power or on external power. Power settings and timeouts can be changed using Power Management in Control Center. With the computer on, you can initiate Suspend in any of the following ways: ●...
  • Page 47: Viewing The Current Power Management Settings

    You can customize power management settings. Viewing the current power management settings ▲ Right-click the Power icon in the notification area, at the far right of the taskbar, and then click Preferences. Changing the current power management settings Right-click the Power icon in the notification area, at the far right of the taskbar, and then click Preferences.
  • Page 48 ▲ Insert the battery into the battery bay, aligning the tabs on the battery (1) with the notches on the computer, and then press the battery (2) down until it is seated. The battery release latches automatically lock the battery into place. To remove the battery: CAUTION: Removing a battery that is the sole power source may cause loss of information.
  • Page 49: Charging A Battery

    Tilt the battery upward (2), and remove it (3) from the computer. Charging a battery WARNING! Do not charge the computer battery while you are onboard aircraft. The battery charges whenever the computer is plugged into external power through an AC adapter or an optional power adapter.
  • Page 50: Maximizing Battery Life

    Maximizing battery life To maximize battery life: Select Computer > Control Center. In the left pane, click System, and then click Power Management in the right pane. On the On Battery Power tab: ● Adjust the slider to the right of Put computer to sleep when inactive for to 30 minutes. ●...
  • Page 51: Resolving A Low Battery Level

    Resolving a low battery level Resolving a low battery level when external power is available ▲ Connect the computer to external power using one of the following devices: ● AC adapter ● Optional docking or expansion device ● Optional power adapter purchased as an accessory from HP Resolving a low battery level when a charged battery is available Turn off the computer or initiate Hibernation.
  • Page 52: Disposing Of A Used Battery

    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. Refer to 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.
  • Page 53 To test the AC adapter: Shut down the computer. Remove the battery from the computer. Connect the AC adapter to the computer, and then plug it into an AC outlet. Turn on the computer. ● If the power lights turn on, the AC adapter is functioning properly. ●...
  • Page 54: Drives

    Drives Handling drives CAUTION: Drives are fragile computer components that must be handled with care. Refer to the following cautions before handling drives. Additional cautions are included with the procedures to which they apply. Observe these precautions: ● Before you move a computer that is connected to an external hard drive, initiate Suspend and allow the screen to clear, or properly disconnect the external hard drive.
  • Page 55: Removing Or Replacing The Service Door

    To use the security screw: Remove the battery. For information on the battery, see Inserting or removing the battery on page CAUTION: Removing a battery that is the sole power source for the computer can cause loss of information. To prevent loss of information, save your work and initiate Hibernation or shut down the computer through the operating system before removing the battery.
  • Page 56: Replacing The Service Door

    To remove the service door: Remove the battery (see Inserting or removing the battery on page 37). With the battery bay toward you, remove the security screw (1), if in use (see Using the optional security screw on page 44). Slide the service door release latches (2) to release the service door.
  • Page 57: Replacing Or Upgrading The Hard Drive

    Replace the security screw (4), if desired (see Using the optional security screw on page 44). Replace the battery (see Inserting or removing the battery on page 37). Turn the computer right-side up, and then reconnect AC power and external devices to the computer.
  • Page 58 Remove the service door (see Removing or replacing the service door on page 45). NOTE: Instructions for removing the hard drive are imprinted on the service door. Remove the four hard drive screws (1) from the hard drive. Pull the plastic tab on the hard drive (2) towards the side of the computer to disengage the hard drive from the connector, and then lift the hard drive out of the hard drive bay.
  • Page 59: Installing A Hard Drive

    Installing a hard drive Insert the hard drive into the hard drive bay. Pull the plastic tab on the hard drive (1) towards the center of the computer to engage the hard drive with the connector. Replace the four hard drive screws (2). Replace the service door (see Removing or replacing the service door on page 45).
  • Page 60: Using Optical Drives (Select Models Only)

    Using optical drives (select models only) Identifying the installed optical drive ▲ Select Computer > More Applications, and then select Audio & Video in the left pane. A list of all the devices installed in your computer, including your optical drive, is displayed. Inserting an optical disc Tray-load Turn on the computer.
  • Page 61: When The Disc Tray Fails To Open

    Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer edges of the disc. Hold the disc by the edges and avoid touching the flat surfaces. NOTE: If the tray is not fully accessible, tilt the disc carefully as you remove it. Close the disc tray and place the disc in a protective case.
  • Page 62 Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer edges of the disc. Hold the disc by the edges and avoid touching the flat surfaces. NOTE: If the tray is not fully accessible, tilt the disc carefully as you remove it. Close the disc tray and place the disc in a protective case.
  • Page 63: External Cards And Devices

    External cards and devices Using Media Card Reader cards (select models only) Optional digital cards provide secure data storage and convenient data sharing. These cards are often used with digital cameras and PDAs as well as with other computers. To determine which digital card formats that are supported on your computer, refer to Getting to know your computer on page Inserting a digital card...
  • Page 64: Using A Usb Device

    Press in on the card (1), and then remove it from the slot (2). NOTE: If the card is not ejected, pull the card out of the slot. Using a USB device Universal Serial Bus (USB) is a hardware interface that can be used to connect an optional external device, such as a USB keyboard, mouse, drive, printer, scanner, or hub.
  • Page 65: Connecting A Usb Device

    Connecting a USB device CAUTION: To prevent damage to a USB connector, use minimal force to connect a USB device. NOTE: The USB port on your computer may look slightly different from the illustration in this section. ▲ To connect a USB device to the computer, connect the USB cable for the device to the USB port.
  • Page 66: Using Optional External Drives

    CAUTION: To reduce the risk of damage to the equipment when connecting a powered device, be sure that the device is turned off and the AC power cord is unplugged. Connect the device to the computer. If you are connecting a powered device, plug the device power cord into a grounded AC outlet. Turn on the device.
  • Page 67: Memory Modules

    Memory modules The computer has one memory module compartment. The capacity of the computer can be upgraded by adding a memory module to the vacant expansion memory module slot or by upgrading the existing memory module in the primary memory module slot. WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power cord and remove all batteries before installing a memory module.
  • Page 68 Grasp the edge of the memory module (2), and gently pull the module out of the memory module slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module. To protect a memory module after removal, place it in an electrostatic-safe container.
  • Page 69 Gently press the memory module (3) down, applying pressure to both the left and right edges of the memory module, until the retention clips snap into place. Replace the service door (see Removing or replacing the service door on page 45).
  • Page 70: 10 Security

    10 Security Protecting the computer NOTE: Security solutions are designed to act as deterrents, but they may not deter software attacks or prevent the computer from being mishandled or stolen. Security features provided with your computer can protect the computer, personal information, and data from a variety of risks.
  • Page 71: Setting Passwords In The Operating System

    Use the following tips for creating and saving passwords: ● When creating passwords, follow requirements set by the program. ● Write down your passwords and store them in a secure place away from the computer. ● Do not store passwords in a file on the computer. The following tables list commonly used passwords and describe their functions.
  • Page 72: Managing A Bios Administrator Password

    Managing a BIOS administrator password To set, change, or delete this password, follow these steps: Open Computer Setup by turning on or restarting the computer. While the “Press the ESC key for Startup Menu” message is displayed in the lower-left corner of the screen, press esc. When the Startup Menu is displayed, press f10.
  • Page 73: Managing A Drivelock Password

    Managing a DriveLock password To set, change, or delete a DriveLock password in Computer Setup, follow these steps: Turn on the computer, and then press while the “Press the ESC key for Startup Menu” message is displayed at the bottom of the screen. Press to enter Computer Setup.
  • Page 74: Installing An Optional Security Cable

    There are two types of firewalls to consider: ● Host-based firewalls—Software that protects only the computer it is installed on. ● Network-based firewalls—Installed between your DSL or cable modem and your home network to protect all the computers on the network. When a firewall is installed on a system, all data sent to and from the system is monitored and compared with a set of user-defined security criteria.
  • Page 75: Using The Fingerprint Reader (Select Models Only)

    Insert the cable lock into the security cable slot on the computer (3), and then lock the cable lock with the key. Remove the key and keep it in a safe place. Using the fingerprint reader (select models only) An integrated fingerprint reader is available on select computer models. In order to use the fingerprint reader, you must set up a user account with a password on the computer.
  • Page 76 Click the Plug-Ins tab, click Set the user's fingerprint, and then click Launch. Follow the on-screen instructions to enroll your fingerprint. NOTE: After your fingerprint is enrolled, you can swipe your finger on the fingerprint reader when you turn on the computer, unlock the computer, or resume from the Suspend or Hibernation state, instead of typing a password.
  • Page 77: 11 Backup And Recovery

    11 Backup and Recovery Recovery after a system failure is as good as your most recent backup. As you add new software and data files, you should continue to back up your system on a regular basis to maintain a reasonably current backup.
  • Page 78: Backing Up Your Information

    Backing up your information You should back up your computer files on a regular schedule to maintain a current backup. You can manually back up your information to an optional external drive, a network drive, or discs. Back up your system at the following times: ●...
  • Page 79: Computer Setup (Bios) And Advanced System Diagnostics

    12 Computer Setup (BIOS) and Advanced System Diagnostics Computer Setup, or Basic Input/Output System (BIOS), controls communication between all the input and output devices on the system (such as disk drives, display, keyboard, mouse, and printer). Computer Setup includes settings for the types of peripherals installed, the startup sequence of the computer, and the amount of system and extended memory.
  • Page 80: Restoring Factory Settings In Computer Setup

    To exit Computer Setup menus, choose one of the following methods: ● To exit Computer Setup menus without saving your changes, click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions. – or – Use the key and the arrow keys to select File >...
  • Page 81: Downloading A Bios Update

    BIOS version information (also known as ROM date and System BIOS) can be displayed as follows: Start Computer Setup. Use a pointing device or the arrow keys to select File > System Information. To exit Computer Setup without saving your changes, click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions.
  • Page 82: Using Advanced System Diagnostics

    Using Advanced System Diagnostics Advanced System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is functioning properly. The following diagnostic tests are available in Advanced System Diagnostics: ● Start-up test—This test analyzes the main computer components that are required to start the computer.
  • Page 83: 13 Multiboot

    13 MultiBoot About the boot device order As the computer starts, the system attempts to boot from enabled boot devices. The MultiBoot utility, which is enabled at the factory, controls the order in which the system selects a boot device. Boot devices can include optical drives, diskette drives, a network interface card (NIC), hard drives, and USB devices.
  • Page 84: Enabling Boot Devices In Computer Setup

    Enabling boot devices in Computer Setup The computer will boot to a USB device or a NIC device only if the device has first been enabled in Computer Setup. To start Computer Setup and enable a USB device or a NIC device as a boot device, follow these steps: Turn on or restart the computer, and then press while the “Press the ESC key for Startup...
  • Page 85: Choosing Multiboot Preferences

    ● The computer will boot from a NIC device only if the device has been enabled in the Built-In Device Options menu of Computer Setup and if booting from the device has been enabled in the Boot Options menu of Computer Setup. Booting from a NIC does not affect logical drive designations because no drive letter is associated with the NIC.
  • Page 86: Dynamically Choosing A Boot Device Using The F9 Prompt

    Dynamically choosing a boot device using the f9 prompt To dynamically choose a boot device for the current startup sequence, follow these steps: Open the Select Boot Device menu by turning on or restarting the computer, and then pressing while the “Press the ESC key for Startup Menu” message is displayed at the bottom of the screen.
  • Page 87: Appendix A Troubleshooting And Support

    Troubleshooting and support Troubleshooting 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: ●...
  • Page 88: The Computer Is Unusually Warm

    CAUTION: Emergency shutdown procedures result in the loss of unsaved information. ● Press and hold the power button for at least 5 seconds. ● Disconnect the computer from external power and remove the battery. The computer is unusually warm It is normal for the computer to feel warm to the touch while it is in use. But if the computer feels unusually warm, it may be overheating because a vent is blocked.
  • Page 89: The Optical Disc Tray Does Not Open For Removal Of A Cd Or Dvd

    The optical disc tray does not open for removal of a CD or DVD Insert the end of a paper clip (1) into the release access in the front bezel of the drive. Press in gently on the paper clip until the disc tray is released, and then pull out the tray (2) until it stops.
  • Page 90: The Computer Does Not Detect The Optical Drive

    The computer does not detect the optical drive If your operating system does not detect an installed device, the device driver software may be missing or corrupted. Remove any discs from the optical drive. Click Computer and then click System Monitor. On the Hardware tab, identify the Storage Controller in the Type column.
  • Page 91: The Process Of Burning A Disc Does Not Begin, Or It Stops Before Completion

    The process of burning a disc does not begin, or it stops before completion ● Be sure that all other programs are closed. ● Turn off Suspend mode and Hibernation. ● Be sure that you are using the right kind of disc for your drive. ●...
  • Page 92: Labels

    Labels The labels affixed to the computer provide information you may need when you troubleshoot system problems or travel internationally with the computer: ● Service label—Provides important information, including the following: Component Product name Serial number Part number/product number Warranty period Model description (select models only) Have this information available when you contact technical support.
  • Page 93: Appendix B Cleaning Your Computer

    Cleaning your computer Cleaning products Use the following products to safely clean and disinfect your computer: ● Dimethyl benzyl ammonium chloride 0.3 percent maximum concentration (For example: germicidal disposable wipes. These wipes come in a variety of brand names.) ● Alcohol-free glass cleaning fluid ●...
  • Page 94: Cleaning The Touchpad And Keyboard

    Cleaning the TouchPad and keyboard CAUTION: When cleaning the TouchPad and keyboard, do not let liquids drip between the keys. This can permanently damage internal components. ● To clean and disinfect the TouchPad and keyboard, use a soft microfiber cloth or chamois moistened with one of the cleaning solutions listed previously or use an acceptable germicidal disposable wipe.
  • Page 95: Appendix C Specifications

    Specifications Input power The power information in this section may be helpful if you plan to travel internationally with the computer. The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100–240 V, 50–60 Hz.
  • Page 96: Appendix D Electrostatic Discharge

    Electrostatic discharge Electrostatic discharge is the release of static electricity when two objects come into contact—for example, the shock you receive when you walk across the carpet and touch a metal door knob. A discharge of static electricity from fingers or other electrostatic conductors may damage electronic components.
  • Page 97: Index

    Index handling 44 action keys cables hard 56 optical 56 volume 30 LAN 22 airport security devices 44 USB 55 audio features 30 caps lock light, identifying 4, 5 electrostatic discharge 86 audio functions, checking 31 changing boot order 75 embedded numeric keypad keys, charging batteries 39 identifying 9...
  • Page 98 decrease screen brightness wireless certification 82 WLAN 82 operating environment 85 description 24 latches, battery and service door operating system 35 increase screen brightness 24 release 16 operating system applications key, mute or restore speaker legacy support, USB 69 identifying 9, 10 sound 24 lights operating system logo key,...
  • Page 99 security cable 64 USB hubs 54 security cable slot, identifying 13 USB legacy support 69 security screw USB ports, identifying 12, 13, 54 using 44 Using a Computer Setup security, wireless 21 DriveLock password 62 serial number, computer 82 service door vents, identifying 13, 17 removing 45 VGA port, connecting 31...

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