Dell Latitude D820 Technical Manual
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Dell Latitude D820 Technical Manual

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Dell™ Latitude™ D820
Technical Manual

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Summary of Contents for Dell Latitude D820

  • Page 1 Dell™ Latitude™ D820 Technical Manual...

  • Page 2: Finding Information

    Documentation and drivers are already installed on your computer. You can use the CD to reinstall drivers (see Reinstalling Drivers and Utilities) or to run the Dell Diagnostics (see Dell Diagnostics). Readme files may be included on your CD to provide last-...
  • Page 3 • Upgrades — Upgrade information for NOTE: Corporate, government, and education customers components, such as memory, the hard can also use the customized Dell Premier Support website drive, and the operating system at premier.support.dell.com. • Customer Care — Contact information,...
  • Page 4 • Top technical issues for my computer • Frequently asked questions • The Dell Premier Support website is customized for File downloads corporate, government, and education customers. This • Details on my computer configuration website may not be available in all regions.

  • Page 5: About Your Computer

    About Your Computer Front View Left Side View Right Side View Back View Bottom View Front View display latch touch pad/track stick buttons display track stick power button keyboard status lights device status lights volume control buttons speakers mute button keyboard ambient light sensor touch pad...
  • Page 6 display — For more information about your display, see Using the Display. power button — Press the power button to turn on the computer or exit a power management mode (see Power Management Modes). NOTICE: To avoid losing data, turn off your computer by performing a Microsoft® Windows® operating system shutdown rather than by pressing the power button.
  • Page 7 If the computer is running on a battery, the light operates as follows: Off: The battery is adequately charged (or the computer is turned off). Flashing orange: The battery charge is low. Solid orange: The battery charge is critically low. speaker —...
  • Page 8 CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your Dell™ computer in a low-airflow environment, such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.
  • Page 9 — Turns on/off wireless devices such as Wi-Fi and internal cards with Bluetooth technology and scans for Wi-Fi networks. For more information about scanning for wireless networks, Dell™ Wi-Fi Catcher™ Network Locator. NOTE: The wireless switch does not detect Mobile Broadband networks or networks that use internal cards with Bluetooth technology.
  • Page 10 "momentary" Scans for Wi-Fi networks. See Dell™ Wi-Fi Catcher™ Network Locator for more information. Wi-Fi Catcher™ light — The light operates as follows: Flashing green: Searching for networks Solid green: Strong network found Solid yellow: Weak network found Flashing yellow: Error Off: No signal found PC Card slot —...
  • Page 11 powered USB connector AC adapter connector modem connector (RJ-11) air vents network connector (RJ-45) NOTICE: The network connector is slightly larger than the modem connector. To avoid damaging the computer, do not plug a telephone line into the network connector. Connects the computer to a network.
  • Page 12 The AC adapter converts AC power to the DC power required by the computer. You can connect the AC adapter with your computer turned either on or off. CAUTION: The AC adapter works with electrical outlets worldwide. However, power connectors and power strips vary among countries. Using an incompatible cable or improperly connecting the cable to the power strip or electrical outlet may cause fire or equipment damage.
  • Page 13 — Lets you attach your computer to the Media Base or other docking device. See the Dell documentation that came with your docking device for more information. fan air vents — The computer uses an internal fan to create airflow through the fan air vents, which prevents the computer from overheating.

  • Page 14: Using A Battery

    Storing a Battery Battery Performance NOTE: For information about the Dell warranty for your computer, see the Product Information Guide or separate paper warranty document that shipped with your computer. For optimal computer performance and to help preserve BIOS settings, operate your Dell™ portable computer with the main battery installed at all times.
  • Page 15 CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell. The lithium ion battery is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
  • Page 16 Check the Battery Health NOTE: You can check battery health in one of two ways: by using the charge gauge on the battery as described below and by using the Battery Meter in Dell QuickSet. For information about QuickSet, right-click the icon in the taskbar, and click Help.
  • Page 17 NOTICE: If your computer loses AC and battery power while in standby mode, it may lose data. To enter standby mode: • Click Start→ Shut Down→ Stand by. • Depending on how you set the power management options in the Power Options Properties window or the QuickSet Power Management Wizard, use one of the following methods: Press the power button.
  • Page 18 Charging the Battery NOTE: With Dell™ ExpressCharge™, when the computer is turned off, the AC adapter charges a completely discharged battery to 80 percent in about 1 hour and to 100 percent in approximately 2 hours. Charge time is longer with the computer turned on. You can leave the battery in the computer for as long as you like.
  • Page 19 1. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions. 2. Ensure that the computer is turned off. 3. Slide the battery-bay latch release on the bottom of the computer until the release clicks. 4.

  • Page 20: Using The Keyboard

    • To disable the keypad, press <Num Lk> again. Key Combinations System Functions <Ctrl><Shift><Esc> Opens the Task Manager window Battery <Fn><F3> Displays the Dell™ QuickSet Battery Meter Display Functions <Fn><F7> Scales between widescreen and standard aspect ratio video resolutions.
  • Page 21 Advanced tab in the Power Options Properties window (see Configuring Power Management Settings). <Fn><F1> Puts the computer into hibernate mode. Dell QuickSet is required (see Dell™ QuickSet). Microsoft® Windows® Logo Key Functions Windows logo key Minimizes all open windows and <m>...
  • Page 22 touch pad touch pad buttons NOTE: If you ordered the optional fingerprint reader with your computer, the reader is located between the touch pad buttons. • To move the cursor, lightly slide your finger over the touch pad. • To select an object, lightly tap once on the surface of the touch pad or use your thumb to press the left touch-pad button.
  • Page 23 You can replace your track stick cap if it wears down from prolonged use or if you prefer a different color. You can purchase additional caps by visiting the Dell website at www.dell.com. 1. Pull the cap off the track stick.

  • Page 24: Using Multimedia

    Using Multimedia Playing CDs or DVDs Adjusting the Volume Adjusting the Picture Playing CDs or DVDs NOTICE: Do not press down on the CD or DVD tray when you open or close it. Keep the tray closed when you are not using the drive. NOTICE: Do not move the computer while playing CDs or DVDs.
  • Page 25 Adjusting the Volume NOTE: When the speakers are muted, you do not hear the CD or DVD playing. Volume Control Window 1. Click the Start button, point to All Programs (or Programs)→ Accessories→ Entertainment (or Multimedia), and then click Volume Control. 2.

  • Page 26: Using The Display

    Using the Ambient Light Sensor Adjusting Brightness When a Dell™ computer is running on battery power, you can conserve power by setting the brightness to the lowest comfortable setting by pressing <Fn> and the up- or down-arrow key on the keyboard.
  • Page 27 Dell-installed operating system. If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest supported values. 1. Click Start→ Control Panel→ Display→ Settings. 2. Try different settings for Color quality and Screen resolution.
  • Page 28 ALS is disabled and the display brightness is increased or decreased accordingly. Dell™ QuickSet allows you to enable or disable the ALS feature. You can also adjust maximum and minimum brightness settings that are activated when you enable the ALS feature. For more information about QuickSet, right-click the icon in the taskbar, and click Help.

  • Page 29: Using Networks

    Physically Connecting to a Network or Broadband Modem Wireless Local Area Network (WLAN) Mobile Broadband or Wireless Wide Area Network (WWAN) Dell™ Wi-Fi Catcher™ Network Locator Internet Connection Firewall Physically Connecting to a Network or Broadband Modem Before you connect your computer to a network that is not wireless, the computer must have a network cable connected to it.
  • Page 30 1. Click the Start button, point to Programs→ Accessories→ Communications, and then click Network Setup Wizard. 2. On the welcome screen, click Next. 3. Click Checklist for creating a network. NOTE: Selecting the connection method labeled This computer connects directly to the Internet enables the integrated firewall provided with Windows XP Service Pack 2 (SP2).
  • Page 31 2. Click Properties. The Wireless Network Connection Properties window appears. The wireless network card's name and model number are listed on the General tab. NOTE: If your computer is set to the Classic Start menu option, you can view network connections by clicking the Start button, pointing to Settings, and then pointing to Network Connections.
  • Page 32 Verify the type of wireless network card installed in your computer and then search for that name on the Dell Support website at support.dell.com. For information on the type of wireless network card that is installed in your computer, see...
  • Page 33 The wireless activity indicator provides an easy way to monitor the status of your computer's wireless devices. Right-click the Dell QuickSet icon in your taskbar to select or deselect Wireless Activity Indicator Off to turn the wireless activity indicator on or off.
  • Page 34 CD that accompanied your card if purchased separately from your computer) If the utility is corrupted or deleted from your computer, see the Dell Mobile Broadband Card Utility user's guide for instructions. The user's guide is available through the Windows Help and Support Center (or on the CD that accompanied your card if you purchased it separately from your computer).
  • Page 35 BIOS (system setup program) to control WiFi network connections. Because the Wi-Fi Catcher Network Locator is disabled and not configured for use when your computer is shipped to you, you must first use Dell QuickSet to enable and configure the switch to control WiFi network connections.
  • Page 36 Internet Connection Firewall The Internet Connection Firewall provides basic protection from unauthorized access to the computer while the computer is connected to the Internet. The firewall is automatically enabled when you run the Network Setup Wizard. When the firewall is enabled for a network connection, the firewall icon appears with a red background in the Network Connections section of the Control Panel.

  • Page 37: Using Cards

    Using Cards Card Types Card Blanks Extended Cards Installing a PC Card or ExpressCard Removing a Card or Blank Card Types Specifications for information on supported card types. NOTE: A PC Card is not a bootable device. The PC Card slot has one connector that supports a single Type I or Type II card. The PC Card slot supports CardBus technology and extended PC Cards.
  • Page 38 Cards are generally marked with a symbol (such as a triangle or an arrow) to indicate which end to insert into the slot. The cards are keyed to prevent incorrect insertion. If card orientation is not clear, see the documentation that came with the card. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 39 The computer recognizes most cards and automatically loads the appropriate device driver. If the configuration program tells you to load the manufacturer's drivers, use the floppy disk or CD that came with the card. If you have an adapter, such as the one shown below, you can use 34-mm ExpressCards in the PC Card slot.

  • Page 40: Securing Your Computer

    NOTE: Your computer does not ship with a security cable lock. A security cable lock is a commercially available antitheft device. To use the lock, attach it to the security cable slot on your Dell™ computer. For more information, see the instructions included with the device.
  • Page 41 Installing a Smart Card You can install a smart card in the computer while the computer is running. The computer automatically detects the card. To install a smart card: 1. Hold the card so that the gold contact pad is facing upward and pointing toward the smart card slot.
  • Page 42 If you forget any of your passwords, contact your system administrator or contact Dell (see Contacting Dell). For your protection, Dell support staff will ask you for proof of your identity to ensure that only an authorized person can use the computer.
  • Page 43 If you forget the primary password and do not have an administrator password assigned, or if you have both a primary and an administrator password assigned but forget them both, contact your system administrator or contact Dell (see Contacting Dell).
  • Page 44 NOTICE: To secure your TPM data and encryption keys, follow the backup procedures documented in the Broadcom Secure Foundation Getting Started Guide. In the event of these backups being incomplete, lost, or damaged, Dell will be unable to assist in the recovery of encrypted data.
  • Page 45 Computer tracking software may enable you to locate your computer if it is lost or stolen. The software is optional and may be purchased when you order your Dell™ computer, or you can contact your Dell sales representative for information about this security feature.

  • Page 46: Troubleshooting

    NOTICE: The Dell Diagnostics works only on Dell™ computers. NOTE: The Drivers and Utilities CD is optional and may not ship with your computer. Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities CD (also known as the ResourceCD).
  • Page 47 4. Select the Boot from CD-ROM option from the menu that appears and press <Enter>. 5. Type 1 to start the menu and press <Enter> to proceed. 6. Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer.

  • Page 48: Option Function

    7. When the Dell Diagnostics Main Menu appears, select the test that you want to run. Dell Diagnostics Main Menu 1. After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want.
  • Page 49 Dell Support Utility, and view Dell Support settings. For more information about the Dell Support Utility, click the question mark (?) at the top of the Dell™ Support screen.
  • Page 50 Check the cable connections Check for hardware incompatibilities — See Resolving Software and Hardware Incompatibilities. Run the Dell Diagnostics — See Dell Diagnostics. CD and DVD drive problems NOTE: High-speed CD or DVD drive vibration is normal and may cause noise, which does not indicate a defect in the drive or the CD or DVD.
  • Page 51 Hard drive problems Allow the computer to cool before turning it on — A hot hard drive may prevent the operating system from starting. Try allowing the computer to return to room temperature before turning it on. Run Check Disk — 1.
  • Page 52 Use an anti-virus program that includes anti-spyware protection (your program may require an upgrade) to scan the computer and remove spyware. For more information, go to support.dell.com and search for the keyword spyware. Error Messages...
  • Page 53 Disk C: failed initialization — The hard drive failed initialization. Run the hard drive tests in the Dell Diagnostics (see Dell Diagnostics). Drive not ready — The operation requires a hard drive in the bay before it can continue. Install a hard...
  • Page 54 No boot sector on hard drive — The operating system may be corrupted. Contact Dell (see Contacting Dell).No timer tick interrupt A chip on the system board may be malfunctioning. Run the System Set tests in the Dell Diagnostics (see Dell Diagnostics).
  • Page 55 Time-of-day clock lost power — System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery. If the problem persists, try to restore the data by entering the system setup program. Then immediately exit the program. If the message reappears, contact Dell (see Contacting Dell).
  • Page 56 If the characters appear now but did not with the external keyboard, you may have a defective external keyboard. Contact Dell (see Contacting Dell). Run the keyboard diagnostics tests — Run the PC-AT Compatible Keyboards tests in the Dell Diagnostics (see Dell Diagnostics). If the tests indicate a defective external keyboard, contact Dell...
  • Page 57 Unexpected characters Disable the numeric keypad — Press <Num Lk> to disable the numeric keypad if numbers are displayed instead of letters. Verify that the numbers lock light is not lit. Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 58 Use an anti-virus program that includes anti-spyware protection (your program may require an upgrade) to scan the computer and remove spyware. For more information, go to support.dell.com and search for the keyword spyware. Run the Dell Diagnostics — See Dell Diagnostics.
  • Page 59 Dell Mobile Broadband card installed. Double-click the icon to launch the utility. Cannot connect — The Dell Mobile Broadband Card must be activated on the network in order to connect. Position the mouse over the icon in the notification area to read the status of the connection.
  • Page 60 If you have problems with a Dell-provided Card — Contact Dell (see Contacting Dell). If you have problems with a Card not provided by Dell — Contact the PC Card manufacturer. Power Problems Fill out the Diagnostics Checklist (see Diagnostics Checklist) as you complete these checks.
  • Page 61 Dell D/Dock. Docking While the Computer Is Running If a computer is connected to the Dell D/Dock or Dell D/Port while the computer is running, presence of the docking device is ignored until the AC adapter is connected to the computer.
  • Page 62 AC Power Loss While the Computer Is Docked If a computer loses AC power while docked to the Dell D/Dock or Dell D/Port, the computer immediately goes into low-performance mode. Printer Problems Fill out the Diagnostics Checklist (see Diagnostics Checklist) as you complete these checks.
  • Page 63 Reinstall the audio driver — See Reinstalling Drivers and Utilities. Run the Dell Diagnostics — See Dell Diagnostics. NOTE: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening to MP3 songs, ensure that you did not turn the player volume down or off.
  • Page 64 Test the mouse controller — To test the mouse controller (which affects pointer movement) and the operation of the touch pad or mouse buttons, run the Mouse test in the Pointing Devices test group in the Dell Diagnostics (see Dell Diagnostics).
  • Page 65 3. Try different settings for Colour quality and Screen resolution. Run the Video diagnostics tests — If no error message appears and you still have a display problem, but the display is not completely blank, run the Video device group in the Dell Diagnostics (see Dell Diagnostics).

  • Page 66: System Setup Program

    • System security and hard-drive password settings NOTICE: Unless you are an expert computer user or are directed to do so by Dell technical support, do not change the system setup settings. Certain changes might make your computer work incorrectly.
  • Page 67 You can set a one-time-only boot sequence without entering the system setup program. (You can also use this procedure to boot the Dell Diagnostics on the diagnostics utility partition on your hard drive.) 1. Shut down the computer through the Start menu.
  • Page 68 3. Connect the computer to an electrical outlet. 4. Turn on the computer. When the DELL logo appears, press <F12> immediately. If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop.

  • Page 69: Travelling With Your Computer

    Remove any extraneous items, such as paper clips, pens, and paper, from the keyboard and palm rest and close the display. • Use the optional Dell™ carrying case to pack the computer and its accessories together safely. • Avoid packing the computer with items such as shaving cream, colognes, perfumes, or food.
  • Page 70 • Protect the computer, the batteries, and the hard drive from hazards such as extreme temperatures and overexposure to sunlight, dirt, dust, or liquids. • Pack the computer so that it does not slide around in the trunk of your car or in an overhead storage compartment.

  • Page 71: Reinstalling Software

    A driver acts like a translator between the device and any other programs that use the device. Each device has its own set of specialized commands that only its driver recognizes. Dell ships your computer to you with required drivers already installed—no further installation or configuration is needed.
  • Page 72 Using Windows XP Device Driver Rollback If a problem occurs on your computer after you install or update a driver, use Windows XP Device Driver Rollback to replace the driver with the previously installed version. 1. Click Start→ Control Panel→ System. 2.
  • Page 73 If instructed to navigate to the driver files, click the CD directory on the driver information window to display the files associated with that driver. Manually Reinstalling Drivers NOTE: If you are reinstalling an infrared sensor driver, you must first enable the infrared sensor in the system setup program (see Enabling the Infrared Sensor) before continuing with the driver...
  • Page 74 NOTE: The procedures in this document were written for the Windows default view, so they may not apply if you set your Dell™ computer to the Windows Classic view. Creating a Restore Point 1. Click Start→ Help and Support.
  • Page 75 Therefore, do not reinstall Windows XP unless a Dell technical support representative instructs you to do so. 1. Save and close any open files and exit any open programs.

  • Page 76: Adding And Replacing Parts

    You have performed the steps in Turning Off Your Computer Before Working Inside Your Computer. • You have read the safety information in your Dell™ Product Information Guide. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver •...
  • Page 77 NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operating system, drivers, and utilities on the new hard drive.
  • Page 78 8. Install the drivers and utilities for your computer (see Reinstalling Drivers and Utilities). Returning a Hard Drive to Dell Return your old hard drive to Dell in its original or comparable foam packaging. Otherwise, the hard drive may be damaged in transit.
  • Page 79 foam packaging hard drive Media Bay NOTE: If the device security screw is not present, you can remove and install devices while the computer is running and connected to a docking device (docked). Removing the Device Security Screw If present, you must remove the device security screw before you remove the device: 1.
  • Page 80 computer is running and connected to a docking device (docked). NOTICE: To prevent damage to devices, store them in a safe, dry place when they are not installed in the computer. Avoid pressing down on them or placing heavy objects on top of them. 1.
  • Page 81 hinge cover indent 4. Ease the hinge cover up, moving from right to left, and remove it. 5. To replace the hinge cover, insert the left edge of the cover into the hinge cover slot, and press from left to right until the cover snaps into place. Keyboard CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 82 Install only memory modules that are intended for your computer. NOTE: Memory modules purchased from Dell are covered under your computer warranty. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 83 cover. DIMM A holds the basic memory module as configured from the factory. If you did not order additional memory, DIMM B is empty. Generally, if you add memory, you use DIMM B. If you are upgrading memory, you may need to install memory in DIMM A and DIMM B, depending on the extent of the upgrade.
  • Page 84 b. Slide the module firmly into the slot at a 45-degree angle, and rotate the module down until it clicks into place. If you do not feel the click, remove the module and reinstall it. 7. Replace the keyboard (see Keyboard). 8.
  • Page 85 memory module securing clips (2) NOTICE: If you need to install memory modules in two connectors, install a memory module in the connector labeled "DIMMA" before you install a module in the connector labeled "DIMMB." Insert memory modules at a 45-degree angle to avoid damaging the connector. NOTE: If the memory module is not installed properly, the computer may not boot properly.
  • Page 86 1. Follow the procedures in Before You Begin. 2. Remove the battery (see Replacing the Battery). 1 SIM card 3. Slide the SIM card into the compartment with the cut-off corner of the card facing away from the compartment. Wireless Cards If you ordered a wireless LAN or WAN card with your computer, the card is already installed.
  • Page 87 antenna cables b. Release the card by spreading the metal securing tabs until the card pops up slightly. WLAN card metal securing tabs (2) c. Lift the card out of its connector. NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors and realign the card.
  • Page 88 a. Move any antenna cables out of the way to make space for the WLAN card. b. Align the card with the connector at a 45-degree angle, and press the card into the connector until it clicks. NOTE: Your WLAN card may have two or three connectors, depending on the type of card you ordered.
  • Page 89 Mobile Broadband card metal securing tabs (2) c. Lift the card out of its connector. NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors and realign the card. 6. Install the card: NOTICE: To avoid damaging the Mobile Broadband card, never place cables on top of or under the card.
  • Page 90 1. Follow the procedures in Before You Begin. 2. Remove the hinge cover (see Hinge Cover). metal tab card card cable connector NOTICE: Be careful when removing the card to avoid damaging the card, card cable, or surrounding components. 3. Remove the card from its compartment in the computer. a.

  • Page 91: Dell™ Quickset

    Display • System information Depending on what you want to do in Dell™ QuickSet, you can start it by either clicking, double- clicking, or right-clicking the QuickSet icon, , in the Microsoft® Windows® taskbar. The taskbar is located in the lower-right corner of your screen.

  • Page 92: Specifications

    Specifications Processor Processor type Intel® Core™ Duo processor L1 cache 64 KB (internal) L2 cache 2 MB (on die) External bus frequency 533 or 667 MHz System Information System chipset Intel 945GM and 945PM Data bus width 64 bits DRAM bus width 64 bits Processor address bus width 36 bits...
  • Page 93 Serial 9-pin connector; 16550C-compatible, 16-byte buffer connector Video 15-hole connector Audio microphone miniconnector, stereo headphones/speakers miniconnector four 4-pin USB 2.0-compliant connectors Infrared sensor sensor compatible with IrDA Standard 1.1 (Fast IR) and IrDA Standard 1.0 (Slow IR) Modem RJ-11 support Network adapter RJ-45 port D-Dock...
  • Page 94 Internal speaker amplifier 2-W channel into 4ohms Volume controls keyboard shortcuts or program menus Display Type (active-matrix TFT) WXGA, WSXGA+, or WUXGA Dimensions: Height 222.5 mm max (8.7 inches) Width 344.5 mm (13.56 inches) Diagonal 391.16 mm (15.4 inches) Operating angle 0°...
  • Page 95 Track Stick X/Y position resolution (graphics table mode) 250 count/sec @ 100 gf Size protrudes 0.5 mm higher than surrounding keycaps Battery Type: 9-cell lithium-ion battery 85 WHr 6-cell lithium-ion battery 53 WHr Dimensions: Depth 77.2 mm (3.08 inches) Height 20.0 mm (0.80 inch) Width 187.03 mm (7.48 inches)
  • Page 96 Weight (with cables) 0.4 kg (0.9 lb) Temperature range: Operating 0° to 35° C (32° to 95° F) Storage –40° to 65° C (–40° to 149°F) Physical Height 35.3 mm (1.4 inches) Width 361 mm (14.2 inches) Depth 262.6 mm (10.3 inches) Weight approximately 6.1 lb, depending on configuration Environmental...

  • Page 97: Getting Help

    NOTE: Dell's Express Service Code system may not be available in all countries. When prompted by Dell's automated telephone system, enter your Express Service Code to route the call directly to the proper support personnel. If you do not have an Express Service Code, open the Dell Accessories folder, double-click the Express Service Code icon, and follow the directions.

  • Page 98: Product Information

    Support Service Dell's support service is available 24 hours a day, 7 days a week, to answer your questions about Dell hardware. Our support staff uses computer-based diagnostics to provide fast, accurate answers. To contact Dell's support service, see "Obtaining...
  • Page 99 NOTE: Toll-free numbers are for use within the country for which they are listed. NOTE: In certain countries, support specific to Dell XPS portable computers is available at a separate telephone number listed for participating countries. If you do not see a telephone number listed that is specific for XPS portable computers, you may contact Dell through the support number listed and your call will be routed appropriately.
  • Page 100 Appendix Dell™ Latitude™ D820 User's Guide Cleaning Your Computer Macrovision Product Notice FCC Notice (U.S. Only) Cleaning Your Computer CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. Computer, Keyboard, and Display CAUTION: Before you clean your computer, disconnect the computer from the electrical outlet and remove any installed batteries.
  • Page 101 NOTICE: The FCC regulations provide that changes or modifications not expressly approved by Dell Inc. could void your authority to operate this equipment. These limits are designed to provide reasonable protection against harmful interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
  • Page 102 Plug the system into a different outlet so that the system and the receiver are on different branch circuits. If necessary, consult a representative of Dell Inc. or an experienced radio/television technician for additional suggestions. The following information is provided on the device or devices covered in this document in compliance...
  • Page 103 Glossary Terms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer. AC — alternating current — The form of electricity that powers your computer when you plug the AC adapter power cable in to an electrical outlet.
  • Page 104 ® Bluetooth wireless technology — A wireless technology standard for short-range (9 m [29 feet]) networking devices that allows for enabled devices to automatically recognize each other. boot sequence — Specifies the order of the devices from which the computer attempts to boot. bootable CD —...
  • Page 105 CD-RW drive — A drive that can read CDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs) discs. You can write to CD-RW discs multiple times, but you can write to CD-R discs only once. CD-RW/DVD drive — A drive, sometimes referred to as a combo drive, that can read CDs and DVDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs) discs.
  • Page 106 domain — A group of computers, programs, and devices on a network that are administered as a unit with common rules and procedures for use by a specific group of users. A user logs on to the domain to gain access to the resources. DRAM —...
  • Page 107 ExpressCards. ExpressCards support both the PCI Express and USB 2.0 standard. Express Service Code — A numeric code located on a sticker on your Dell™ computer. Use the Express Service Code when contacting Dell for assistance. Express Service Code service may not be available in some countries.
  • Page 108 G — gravity — A measurement of weight and force. GB — gigabyte — A measurement of data storage that equals 1024 MB (1,073,741,824 bytes). When used to refer to hard drive storage, the term is often rounded to 1,000,000,000 bytes. GHz —...
  • Page 109 infrared sensor — A port that allows you to transfer data between the computer and infrared- compatible devices without using a cable connection. integrated — Usually refers to components that are physically located on the computer's system board. Also referred to as built-in. I/O —...
  • Page 110 Three types of modems include: external, PC Card, and internal. You typically use your modem to connect to the Internet and exchange e-mail. module bay — A bay that supports devices such as optical drives, a second battery, or a Dell TravelLite™ module.
  • Page 111 NIC — See network adapter. notification area — The section of the Windows taskbar that contains icons for providing quick access to programs and computer functions, such as the clock, volume control, and print status. Also referred to as system tray. ns —...
  • Page 112 Plug-and-Play — The ability of the computer to automatically configure devices. Plug and Play provides automatic installation, configuration, and compatibility with existing hardware if the BIOS, operating system, and all devices are Plug and Play compliant. POST — power-on self-test — Diagnostics programs, loaded automatically by the BIOS, that perform basic tests on the major computer components, such as memory, hard drives, and video.
  • Page 113 — An I/O port often used to connect devices such as a handheld digital device or digital camera to your computer. Service Tag — A bar code label on your computer that identifies your computer when you access Dell Support at support.dell.com or when you call Dell for customer service or technical support.
  • Page 114 lightning strikes or against brownouts, which occur when the voltage drops more than 20 percent below the normal AC-line voltage level. Network connections cannot be protected by surge protectors. Always disconnect the network cable from the network connector during electrical storms. SIM —...
  • Page 115 also provide voltage regulation. Small UPS systems provide battery power for a few minutes to enable you to shut down your computer. USB — universal serial bus — A hardware interface for a low-speed device such as a USB- compatible keyboard, mouse, joystick, scanner, set of speakers, printer, broadband devices (DSL and cable modems), imaging devices, or storage devices.
  • Page 116 WHr — watt-hour — A unit of measure commonly used to indicate the approximate capacity of a battery. For example, a 66-WHr battery can supply 66 W of power for 1 hour or 33 W for 2 hours. wallpaper — The background pattern or picture on the Windows desktop. Change your wallpaper through the Windows Control Panel.

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