Download Print this page

Dell  Latitude D820 User Manual

Hide thumbs


Quick Links

Table of Contents
Dell™ Latitude™ D820  User's Guide
Finding Information
About Your Computer
Using a Battery
Using the Keyboard
Using Multimedia
Using the Display
Using Networks
Using Cards
Securing Your Computer
System Setup Program
Traveling With Your Computer
Reinstalling Software
Adding and Replacing Parts
Dell™ QuickSet
Getting Help
Click the links to the left for information on the features and operation of your computer. For information on other documentation included with your computer,
 Notes, Notices, and Cautions
A NOTE indicates important information that helps you make better use of your computer.
A CAUTION indicates a potential for property damage, personal injury, or death.
 Abbreviations and Acronyms
For a complete list of abbreviations and acronyms, see Glossary.
If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable.
Information in this document is subject to change without notice.
© 2006 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault, PowerApp, ExpressCharge, and Dell OpenManage are
trademarks of Dell Inc.; Intel and Pentium are registered trademarks of Intel Corporation; Microsoft, Outlook, and Windows are registered trademarks of Microsoft Corporation; EMC
is a registered trademark of EMC Corporation; ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has
determined that this product meets the ENERGY STAR guidelines for energy efficiency.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
Model PP04X
February 2006 Rev. A01


Table of Contents

  Related Manuals for Dell  Latitude D820

  Summary of Contents for Dell  Latitude D820

  • Page 1: Abbreviations And Acronyms

    ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
  • Page 2: About Your Computer

    Back to Contents Page   About Your Computer Dell™ Latitude™ D820  User's Guide   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...
  • Page 3 Turns on when you turn on the computer and blinks when the computer is in a power management mode. Turns on when the computer reads or writes data. NOTICE: To avoid loss of data, never turn off the computer while the light is flashing.
  • Page 4: Left Side View

    The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating.   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. NOTE: The computer turns on the fan when the computer gets hot.
  • Page 5 — 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, see 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 6: Right Side View

     Right Side View media bay USB connectors   media bay — Supports a floppy drive, optical drives, or a second battery or second hard drive (see Using Multimedia).   USB connectors Connect USB devices, such as a mouse, keyboard, or printer.  Back View  ...
  • Page 7: Bottom View

    Connects USB 2.0 compliant devices, such as a mouse, keyboard, or printer. Can also be used for peripherals that require more than 5 V of power.   modem connector (RJ-11) If you ordered the optional internal modem, connect the telephone line to the modem connector. For information on using the modem, see the online modem documentation supplied with your computer (see Finding Information).
  • Page 8 Covers the compartment that contains the second memory module (see Memory).   docking-device connector — 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.  ...
  • Page 9: Cleaning Your Computer

    Back to Contents Page   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.
  • Page 10: Macrovision Product Notice

    2. This device must accept any interference received, including interference that may cause undesired operation. 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 11: Using A Battery

    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 12: Conserving Battery Power

    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 13: Configuring Power Management Settings

     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. The battery's internal circuitry prevents the battery from overcharging.
  • Page 14: Replacing The Battery

      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 battery is designed to work with your Dell™ computer. Do not use a battery from other computers with your computer.  For information about replacing the second battery, which is located in the media bay, see Using Multimedia.
  • Page 15: Using Cards

    Back to Contents Page   Using Cards Dell™ Latitude™ D820  User's Guide   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.
  • Page 16: Removing A Card Or Blank

    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 PC Card.   ExpressCard   1. Hold the card with its orientation symbol pointing into the slot and the top side of the card facing up. The latch may need to be in the "in" position before you insert the card.
  • Page 17 Back to Contents Page  ...
  • Page 18: Using The Display

    NOTE: Use only the Dell-installed video drivers, which are designed to offer the best performance with your 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.
  • Page 19: Swapping Primary And Secondary Displays

    The ALS is disabled when your computer is shipped to you. If you enable the ALS and then use any of the display brightness key combinations, the 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 21: Finding Information

     How to troubleshoot and solve problems computer.  How to remove and install parts  Specifications  How to contact Dell   NOTE: This document is available as a PDF at  Warranty information   Dell™ Product Information Guide  Terms and Conditions (U.S. only)  Safety instructions  Regulatory information  Ergonomics information  End User License Agreement...
  • Page 22 USB floppy   drives, Intel® Pentium® M processors, optical drives, and USB devices. NSS is necessary for correct operation of your Dell computer. The software   automatically detects your computer and operating system and installs the updates appropriate for your configuration.
  • Page 23   NOTE: The color of your CD varies based on the operating system you ordered. Back to Contents Page  ...
  • Page 24 Back to Contents Page   Glossary Dell™ Latitude™ D820  User's Guide Terms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer.  A 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 25 carnet — An international customs document that facilitates temporary imports into foreign countries. Also known as a merchandise passport. CD — compact disc — An optical form of storage media, typically used for audio and software programs. CD drive — A drive that uses optical technology to read data from CDs. CD player —...
  • Page 26 ExpressCard — A removable I/O card adhering to the PCMCIA standard. Modems and network adapters are common types of 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 27 Microsoft Word. Other help files function as stand-alone reference sources. Help files typically have a filename extension of .hlp or .chm. hibernate mode — A power management mode that saves everything in memory to a reserved space on the hard drive and then turns off the computer. When you restart the computer, the memory information that was saved to the hard drive is automatically restored.
  • Page 28 — A device that allows your computer to communicate with other computers over analog telephone lines. 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. monitor — The high-resolution TV-like device that displays computer output.
  • Page 29 — 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 or when you call Dell for customer service or technical support.
  • Page 30 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 — Subscriber Identity Module. A SIM card contains a microchip that encrypts voice and data transmissions. SIM cards can be used in phones or portable computers.
  • Page 31  W W — watt — The measurement of electrical power. One W is 1 ampere of current flowing at 1 volt. 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.
  • Page 32: Getting Help

    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 33: Problems With Your Order

     Product Information If you need information about additional products available from Dell, or if you would like to place an order, visit the Dell website at For the telephone number to call to speak to a sales specialist, see the contact numbers for your region.
  • Page 34: Before You Call

    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 35 Home/Small Business Customer Care 0820 240 530 14 Preferred Accounts/Corporate Customer Care 0820 240 530 16 Country Code: 43 Support for XPS portable computers only 0820 240 530 81 City Code: 1 Home/Small Business Support for all other Dell computers 0820 240 530 14 Preferred Accounts/Corporate Support 0660 8779 Switchboard 0820 240 530 00 Bahamas General Support toll-free: 1-866-278-6818...
  • Page 36 Switchboard 22537 2711 Website:     E-mail:    Support for XPS portable computers only 7010 0074 Support for all other Dell computers 7023 0182 Denmark (Copenhagen) Customer Care (Relational) 7023 0184 International Access Code: 00 Home/Small Business Customer Care 3287 5505 Country Code: 45 Switchboard (Relational) 3287 1200...
  • Page 37 Website:      E-mail:      Home and Small Business      Support for XPS portable computers only 0825 387 129 Support for all other Dell computers 0825 387 270 Customer Care 0825 823 833 France (Paris) (Montpellier) Switchboard 0825 004 700 Switchboard (calls from outside of France) 04 99 75 40 00...
  • Page 38 0120-198-226 Support outside of Japan (Dimension and Inspiron) 81-44-520-1435 Support (Dell Precision, OptiPlex, and Latitude) toll-free:0120-198-433 Support outside of Japan (Dell Precision, OptiPlex, and Latitude) 81-44-556-3894 Support (PDAs, projectors, printers, routers) toll-free: 0120-981-690 Japan (Kawasaki) Support outside of Japan (PDAs, projectors, printers, routers)
  • Page 39 Country Code: 853 Transaction Sales (Xiamen, China) 29 693 115 Website:   Malaysia (Penang) Support (Dell Precision, OptiPlex, and Latitude) toll-free: 1 800 880 193 Support (Dimension, Inspiron, and Electronics and Accessories) toll-free: 1 800 881 306 International Access Code: 00 Support (PowerApp, PowerEdge, PowerConnect, and PowerVault) toll-free: 1800 881 386...
  • Page 40 General Support toll-free: 1-877-270-4609 Grenadines Website:   Singapore (Singapore) Support (Dimension, Inspiron, and Electronics and Accessories) toll-free: 1800 394 7430 Support (OptiPlex, Latitude, and Dell Precision) toll-free: 1800 394 7488 International Access Code: 005 Support (PowerApp, PowerEdge, PowerConnect, and PowerVault) toll-free: 1800 394 7478 Country Code: 65 Customer Care toll-free:  1 800 394 7430 (option 6) Transaction Sales toll-free:  1 800 394 7412...
  • Page 41 Switzerland (Geneva) Support for XPS portable computers only 0848 33 88 57 International Access Code: 00 Support (Home and Small Business) for all other Dell products 0844 811 411 Country Code: 41 Support (Corporate) 0844 822 844 Customer Care (Home and Small Business) 0848 802 202...
  • Page 42 Software and Peripherals Sales toll-free: 1-800-671-3355 Spare Parts Sales toll-free: 1-800-357-3355 Extended Service and Warranty Sales toll-free: 1-800-247-4618 toll-free: 1-800-727-8320 toll-free: 1-877-DELLTTY Dell Services for the Deaf, Hard-of-Hearing, or Speech-Impaired (1-877-335-5889) U.S. Virgin Islands General Support 1-877-673-3355 Venezuela General Support 8001-3605 Back to Contents Page...
  • Page 43: Using The Keyboard

     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. <Fn><F8> Switches the video image to the next display option. The options include the integrated display, an external monitor, and both displays simultaneously.
  • Page 44: Touch Pad

    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 and <m> Minimizes all open windows Windows logo key and Restores all minimized windows.
  • Page 45: Changing The Track Stick Cap

    3. Click OK to save the settings and close the window.  Changing the Track Stick Cap 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
  • Page 46: Using Multimedia

    Back to Contents Page   Using Multimedia Dell™ Latitude™ D820  User's Guide   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.
  • Page 47: Adjusting The Picture

    Volume Control Buttons You can adjust the volume with the volume control buttons on your computer. See volume control buttons.  Adjusting the Picture If an error message notifies you that the current resolution and color depth are using too much memory and preventing DVD playback, adjust the display properties.
  • Page 48: Using Networks

    Back to Contents Page   Using Networks Dell™ Latitude™ D820  User's Guide   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 49: What You Need To Establish A Wlan Connection

    A WLAN is a series of interconnected computers that communicate with each other over the air waves rather than through a network cable connected to each computer. In a WLAN, a radio communications device called an access point or wireless router connects network computers and provides Internet, or network, access.
  • Page 50: Connecting To A Wireless Local Area Network

    If the software is removed or corrupted, follow the instructions in the user documentation for your wireless network card. Verify the type of wireless network card installed in your computer and then search for that name on the Dell Support website at For information on the...
  • Page 51: Mobile Broadband Or Wireless Wide Area Network (Wwan)

    Thereafter, whenever you log on to your computer within the range of the wireless network that you selected, the same pop-up notifies you of the wireless network connection. NOTE: If you select a secure network, you must enter a WEP or WPA key when prompted. Network security settings are unique to your network. Dell cannot provide this information. NOTE: Your computer can take up to 1 minute to connect to the network.
  • Page 52: Dell™ Wi-Fi Catcher™ Network Locator

    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 53 Back to Contents Page  ...
  • Page 54: Adding And Replacing Parts

    Hold a component such as a processor by its edges, not by its pins. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
  • Page 55: Hard Drive

    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. To replace the hard drive in the hard drive bay:  ...
  • Page 56: Media Bay

    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. foam packaging hard drive  Media Bay...
  • Page 57: Hinge Cover

    1. If present, remove the device security screw from the bottom of the computer (see Removing the Device Security Screw).   2. If the computer is running, double-click the Safely Remove Hardware icon on the taskbar, click the device you want to eject, and click Stop.  ...
  • Page 58 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 59 The computer has two memory slots, DIMM A and DIMM B. DIMM A is located on top of the computer under the keyboard, and DIMM B is located on the bottom of the computer under the memory module cover. DIMM A holds the basic memory module as configured from the factory. If you did not order additional memory, DIMM B is empty.
  • Page 60: Subscriber Identity Module (Sim) Card

    captive screw NOTICE: To prevent damage to the memory module connector, do not use tools to spread the memory-module securing clips.   3. If you are replacing a memory module, remove the existing module: a.  Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up. b.
  • Page 61: Wireless Cards

    CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   1. Follow the procedures in Before You Begin.   2. Remove the battery (see Replacing the Battery). 1 SIM card  ...
  • Page 62 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. NOTE: Do not insert a Mobile Broadband network card into the WLAN card slot.
  • Page 63: Internal Card With Bluetooth® Wireless Technology

    4. Ground yourself by touching one of the metal connectors on the back of the computer. NOTE: If you leave the area, ground yourself again when you return to the computer.   5. If a card is not already installed, go to step 6.
  • Page 64: Coin-Cell Battery

    If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.   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.
  • Page 65 1 mylar 2 coin-cell battery 3 battery cable connector   4. Remove the battery cable connector from the connector on the system board.   5. Being careful not to break the plastic, slightly raise the corner of the mylar above the battery.  ...
  • Page 66: Dell™ Quickset

     Network connectivity  Power management  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. For more information about QuickSet, right-click the QuickSet icon and select Help.
  • Page 67: Securing Your Computer

    Back to Contents Page   Securing Your Computer Dell™ Latitude™ D820  User's Guide   Security Cable Lock   Smart Cards   Passwords   Trusted Platform Module (TPM)   Security Management Software   Computer Tracking Software   If Your Computer Is Lost or Stolen NOTE: For information on how to secure your computer while traveling, see Traveling With Your Computer.
  • Page 68 Passwords provide a high level of security for data in your computer or hard drive. However, they are not foolproof. If you require more security, obtain and use additional forms of protection, such as smart cards, data encryption programs, or PC Cards with encryption features. If you forget any of your passwords, contact your system administrator or contact Dell (see Contacting Dell).
  • Page 69: Trusted Platform Module (Tpm)

    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 70: Computer Tracking Software

    If possible, give the name of the investigating officer. The Dell customer service representative will log your report under the computer Service Tag and record the computer as missing or stolen. If someone calls Dell for technical assistance and gives your Service Tag, the computer is identified automatically as missing or stolen.
  • Page 71 Back to Contents Page  ...
  • Page 72: 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.  Viewing the System Setup Screens  ...
  • Page 73 Boot sequence changes take effect as soon as you save the changes and exit the system setup program.   Performing a One-Time Boot 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.)  ...
  • Page 75: 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. NOTICE: The optional Drivers and Utilities CD may contain drivers for operating systems that are not on your computer.
  • Page 76: Resolving Software And Hardware Incompatibilities

      Using the Drivers and Utilities CD NOTE: The Drivers and Utilities CD may be optional and may not ship with your computer. If using Device Driver Rollback or System Restore does not resolve the problem, then reinstall the driver from the Drivers and Utilities CD (also known as the ResourceCD).
  • Page 77: Restoring Your Operating System

    Windows Help and Support Center. NOTICE: Make regular backups of your data files. System Restore does not monitor your data files or recover them. 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 78: Enabling System Restore

    The optional Operating System CD provides options for reinstalling Windows XP. The options can overwrite files and possibly affect programs installed on your hard drive. Therefore, do not reinstall Windows XP unless a Dell technical support representative instructs you to do so.
  • Page 79: Specifications

    Back to Contents Page   Specifications Dell™ Latitude™ D820  User's Guide   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...
  • Page 80 Network adapter RJ-45 port D-Dock Standard D-dock connector for devices such as D- Docks advanced port replicators and expansion stations.   Communications  Modem:   Type v.92 56K MDC Controller softmodem Interface Intel HDA bus Network adapter 1 Gb Ethernet LAN on system board Wireless internal WLAN, WWAN, and Bluetooth® wireless support (if optional cards are purchased)
  • Page 81 WXGA 5.0 W (max.) WSXGA+ 5.5 W (max.) WUXGA 6.0 W (max.) Controls brightness can be controlled through keyboard shortcuts   Keyboard  Number of keys 87 (U.S. and Canada); 88 (Europe); 91 (Japan) Key travel 2.7 mm ± 0.3 mm (0.11 inch ± 0.016 inch) Key spacing 19.05 mm ±...
  • Page 82 Rated output voltage 19.5 VDC Dimensions:   Height 27.94 mm (1.1 inches) Width 58.42 mm (2.3 inches) Depth 133.85 mm (5.25 inches) 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...
  • Page 83 ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
  • Page 84: Traveling With Your Computer

     Write down your Service Tag and store it in a safe place away from the computer or carrying case. Use the Service Tag if you need to report a loss or theft to law enforcement officials and to Dell.  Create a file on the Microsoft® Windows® desktop called if_found. Place information such as your name, address, and phone number in this file.
  • Page 85 Back to Contents Page  ...
  • Page 86: Troubleshooting

      Video and Display Problems  Dell Technical Update Service The Dell Technical Update service provides proactive e-mail notification of software and hardware updates for your computer. The service is free and can be customized for content, format, and how frequently you receive notifications.
  • Page 87: Starting The Dell Diagnostics From The Drivers And Utilities Cd

    Contacting Dell). NOTE: The Service Tag for your computer is located at the top of each test screen. If you contact Dell, technical support will ask for your Service Tag.   3. If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information.
  • Page 88: Dell Support Utility

    4. When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities CD, remove the CD.   5. When the tests are complete, close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.
  • Page 89: Cd And Dvd Drive Problems

    Check the cable connections   Check for hardware incompatibilities — Resolving Software and Hardware Incompatibilities.   Run the Dell Diagnostics — 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 90: E-Mail, Modem, And Internet Problems

    Internet, your computer might be infected with spyware. 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 and search for the keyword spyware.
  • Page 91 The computer cannot identify the drive type. Shut down the computer, remove the hard drive (see Hard Drive), and boot the computer from a CD. Then shut down the computer, reinstall the hard drive, and restart the computer. Run the Hard-Disk Drive tests in the Dell Diagnostics (see Dell Diagnostics).
  • Page 92 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).   Not enough memory or resources. Exit some programs and try again —...
  • Page 93: Ieee 1394 Device Problems

    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...
  • Page 94: Lockups And Software Problems

      5. Type some characters on the internal keyboard and verify that they appear on the display. If the characters appear now but did not with the external keyboard, you may have a defective external keyboard. Contact Dell (see Contacting Dell).
  • Page 95: A Program Stops Responding Or Crashes Repeatedly

    NOTICE: You might lose data if you are unable to perform an operating system shutdown.   Turn the computer off — If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off.
  • Page 96: Memory Problems

    Internet, your computer might be infected with spyware. 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 and search for the keyword spyware.
  • Page 97: Pc Card Or Expresscard Problems

     Searching – The Dell Mobile Broadband Card Utility has not yet located a Mobile Broadband network. If the searching state persists, ensure that the signal strength is adequate.  No service – The Dell Mobile Broadband Card Utility did not locate a Mobile Broadband network. Ensure that the signal strength is adequate. Restart the Dell wireless utility or contact your Mobile Broadband network provider.
  • Page 98: Printer Problems

      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 99: Scanner Problems

      Verify that the printer is recognized by Windows —   1. Click Start® Control Panel® Printers and Other Hardware® View installed printers or fax printers.   2. If the printer is listed, right-click the printer icon.   3. Click Properties® Ports. For a parallel printer, ensure that the Print to the following port(s): setting is LPT1 (Printer Port). For a USB printer, ensure that the Print to the following port(s): setting is USB.
  • Page 100: Touch Pad Or Mouse Problems

    Reinstall the audio driver — Reinstalling Drivers and Utilities.   Run the Dell Diagnostics — 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 101: Video And Display Problems

    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 102: If Only Part Of The Display Is Readable

    1. Shut down your computer and connect an external monitor to the computer.   2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls. If the external monitor works, the computer display or video controller may be defective. Contact Dell (see Contacting Dell).

This manual is also suitable for:

Precision m65Latitude d820