Dell Latitude C840- Manuals

    When you receive your computer, the infrared sensor is disabled. You can use the system setup program to enable the infrared sensor. For information on transferring data, see W i n d o w s Help , the Windows Help and Support Center , or the documentation that came with your infrared-compatible d...

  Docking Connector     Parallel Connector     Serial Connector     USB Connectors   Bottom View   NOTE: Docking devices may not be available in all countries. Connects the optional docking device. A docking device allows you to easily use external devices with your computer, such as an external key...

Appendix      Ergonomic Computing Habits    Regulatory Notices    Warranty and Return Policy Ergonomic Computing Habits   For comfort and efficiency, observe the following ergonomic guidelines when setting up and using your computer workstation:   l Position your computer directly in front of you as...

  Electromagnetic Compatibility (EMC) is the ability of items of electronic equipment to function properly together in the electronic environment. While this computer has been designed and determined to be compliant with regulatory agency limits for EMI, there is no guarantee that interference will ...

This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate...

IC Notice (Canada Only)   Most Dell computers (and other Dell digital apparatus) are classified by the Industry Canada (IC) Interference-Causing Equipment Standard #3 (ICES-003) as Class B digital devices. To determine which classification (Class A or B) applies to your computer (or other Dell digit...

  l EN 61000-3-3 — "Electromagnetic Compatibility (EMC) - Part 3: Limits  - Section 3: Limitation of Voltage Fluctuations and Flicker in Low -Voltage Supply Systems for Equipment With Rated Current Up to and Including 16 A."   l EN 60950 — "Safety of Information Technology Equipment."...

"This equipment may not provide for the effective hand-over of a call to another device connected to the same line." Important Notice   "Under power failure conditions, this telephone may not operate. Please ensure that a separate telephone, not dependent on local power, is available for...

VCCI Notice (Japan Only)   Most Dell computers are classified by the Voluntary Control Council for Interference (VCCI) as Class B information technology equipment (ITE). However, the inclusion of certain options can change the rating of some configurations to Class A. ITE, including devices, expansi...

   MIC Notice (Republic of Korea Only)   To determine which classification (Class A or B) applies to your computer (or other Dell digital device), examine the Republic of Korean Ministry of Information and Communications (MIC) registration labels located on your computer (or other Dell digital devic...

     Polish Center for Testing and Certification Notice   The equipment should draw power from a socket with an attached protection circuit (a 3-prong socket). All equipment that works together (computer, monitor, printer, and so on) should have the same power supply source.   The phasing conductor ...

Macrovision Product Notice   This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intellectual property rights owned by Macrovision Corporation and other rights owners. Use of this copyright protection technology must be autho...

Using a Battery      Battery Performance    Checking the Battery Charge    Charging the Battery    Removing a Battery    Installing a Battery    Storing a Battery Battery Performance   Use a battery to power the computer when it is not connected to an electrical outlet. One battery is supplied as st...

Health Gauge   The battery life span is largely determined by the number of times it is charged. After hundreds of charge and discharge cycles, batteries lose some charge capacity, or battery health. To check the battery health, press and hold the status button on the battery charge gauge for at lea...

Installing a Battery   Slide the battery into the bay until the latch release clicks. Storing a Battery   Remove the battery when you store your computer for an extended period of time. A battery discharges during prolonged storage. After a long storage period, recharge the battery fully before you ...

Cleaning Your Computer      Computer and Keyboard    Display    Touch Pad    Floppy Drive    CD, CD-RW, DVD, and Combination Drives Computer and Keyboard 1. Shut down and turn off your computer, disconnect any attached devices, and disconnect them from their electrical outlets. 2. Remove any install...

Using Dell Diagnostics      When to Use the Dell Diagnostics    Features of the Dell Diagnostics    Starting the Dell Diagnostics    Advanced Testing    Confirming the System Configuration Information When to Use the Dell Diagnostics   Whenever a major component or device in your computer does not f...

3. Ensure that the computer is connected to an electrical outlet. 4. Turn on the computer with the Drivers and Utilities CD in the CD, CD-RW, or DVD drive. 5. Press to enter the system setup program as soon as the Dell logo screen appears, and before the Microsoft ®  W i n d o w s ®  logo screen app...

  Information in the Advanced Testing screen is presented as follows:   l On the left side of the screen, the Device Group s area lists the diagnostic test groups in the order they will run if you select All from the Run tests menu category. Press the up- or down-arrow key to highlight a test device...

Using the Display      Adjusting Brightness    Switching the Video Image    Setting Display Resolution   Adjusting Brightness   When the computer is running on battery power, you can conserve power by setting the brightness control to the lowest comfortable setting using the appropriate display keyb...

Reinstalling Software      Reinstalling Drivers and Utilities    Using the Microsoft ®  W i n d o w s ®  XP Device Driver Rollback    Using System Restore Reinstalling Drivers and Utilities   Dell ships your computer to you with required drivers and utilities already installed — no further installat...

9. Ensure that Search for a suitable driver for my device (recommended) is selected, and then click Next . 10. Ensure that the Specify a location check box is checked and that all other check boxes are unchecked, and click Next . 11. Click Browse to browse to the location to which you previously ext...

Restore is automatically disabled. Before you use System Restore, see the following subsections to confirm that it is enabled. Windows XP 1. Click the Start button and click Control Panel . 2. Click the Performance and Maintenance . 3. Click System . 4. Click the System Restore tab. 5. Ensure that T...

Finding Information      Safety Instructions    Documentation Updates    Using Microsoft ®  W i n d o w s ®    Using Devices    Using the Drivers and Utilities CD    Fixing Problems    Installing Parts Safety Instructions Documentation Updates   Documentation updates are sometimes included with your...

Using the Drivers and Utilities CD   The Drivers and Utilities CD contains drivers and utilities, the Dell Diagnostics, and user's guides for your computer and optional devices. Dell ships your computer to you with required drivers and utilities already installed — no further installation or configu...

Getting Help      Technical Assistance    Problems With Your Order    Product Information    Returning Items for Warranty Repair or Credit    Before You Call    Contacting Dell     Technical Assistance   If you need help with a technical problem, Dell is ready to assist you. 1.   Complete the proced...

[email protected] [email protected] (Asian/Pacific countries only) support.euro.dell.com (Europe only)   l Electronic Quote Service [email protected] [email protected] (Asian/Pacific countries only) [email protected] (Canada only)   l Electronic Information Service [email protected] AutoTech Service...

  Prepare all items being returned, whether for repair or credit, as follows: 1.   Call Dell to obtain a Return Material Authorization Number, and write it clearly and prominently on the outside of the box. For the telephone number to call, see the contact numbers for your region. 2.   Include a cop...

Glossary   A   B   C   D   E   F   G   H   I   K   L   M   N   O   P   R   S   T   U   V   W   X   Z     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 electri...

Using the Keyboard and Touch Pad      Dell™ AccessDirect™ Button    Numeric Keypad    Keyboard Shortcuts    Touch Pad    Track Stick Dell™ AccessDirect™ Button     Press this button to launch a frequently used program, such as your default Internet browser.   To change the reprogrammable button sett...

  The keypad numbers and symbols are marked in blue on the right of the keypad keys.   l To enable the keypad, press . The light indicates that the keypad is active.   l To disable the keypad, press again.   l To temporarily disable the keypad so that you can use the other function of a dual-functio...

Speaker Functions Microsoft ®  Windows ®  Logo Key Functions     To adjust keyboard operation, such as the character repeat rate, double-click the Keyboard icon in the Control Panel. Touch Pad   The touch pad detects the pressure and movement of your finger to allow you to move the cursor on the dis...

Track Stick   The track stick detects the pressure and movement of your finger to allow you to move the cursor on the display. Use the track stick and track stick buttons as you would use a mouse.     l To move the cursor, press the track stick. Press up or down to move the cursor to the top or bott...

Using the Module Bay      About the Module Bay    Swapping Devices While the Computer Is Turned Off    Swapping Devices While the Computer Is Running    Using the CD or DVD Tray    Adjusting the Volume About the Module Bay   You can install devices such as a floppy drive, CD drive, CD-RW drive, DVD ...

Passwords      About Passwords    Using a Primary Password    Using an Administrator Password    Using a Hard Drive Password    Assigning an Asset Tag About Passwords   A primary password prevents unauthorized access to the computer at start-up. An administrator password can be used in place of the ...

administrator password instead.   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. Using a Hard Drive Password   The har...

3. Type asset and press . Assigning an Asset Tag Number   An asset tag number can have up to ten characters; any combination of characters excluding spaces is valid. 1. Boot the computer using a bootable floppy disk or CD. 2. Type cd c:\Dell\Util and press . 3. Type asset and a space followed by the...

Using PC Cards      PC Card Types    PC Card Blanks    Extended PC Cards    Installing a PC Card    Removing a PC Card or Blank PC Card Types   See " Specifications " for information on supported PC Cards.   The PC Card slot has two connectors that supports four combinations of cards:   l A ...

PC 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.   To install a PC Card: 1. Hold the card wi...

Power Management      Management Tips    Power Management Modes    Power Options Properties Management Tips   l Connect the computer to an electrical outlet when possible because the battery life expectancy is largely determined by the number of times it is charged.   l Place the computer in standby...

  l Press the power button.   l Close the display.   l Press the power management keyboard shortcut, .   To exit hibernate mode, press the power button. The computer may take a short time to exit hibernate mode. You cannot make the computer exit hibernate mode by pressing a key or touching the touch...

Solving Problems   Power Problems   Fill out the Diagnostics Checklist as you complete these checks.   Ensuring Sufficient Power for Your Computer   Your computer's Intel ®  Pentium ® 4 microprocessor requires more power than the microprocessors used in Dell's previous portable computers. Your compu...

  The 70-W AC adapters used in some of Dell's older portable computers can be used with your computer, but they will decrease system performance. Likewise, you can use the 3800-mAh and 3600- mAh batteries from older Dell™ computers, but these lesser -capacity batteries will discharge faster. Using l...

Video and Display Problems   Fill out the Diagnostics Checklist as you complete these checks. If the display is blank   System configuration error: No AC adapter detected in dock ... Typical of messages notifying you that your computer is not receiving the power required for optimum performance. The...

If the display is difficult to read   If only part of the display is readable   Sound and Speaker Problems   Fill out the Diagnostics Checklist as you complete these checks. If you have a problem with integrated speakers   Check the AC adapter — Check the AC adapter cable connections. If the AC adap...

  If you have a problem with external speakers   Printer Problems   Fill out the Diagnostics Checklist as you complete these checks.     Adjust the Windows ®  volume control — Double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and that the sou...

Modem and Internet Connection Problems   Fill out the Diagnostics Checklist as you complete these checks.     Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.   Ensure that the printer is turned on — See the documentation su...

  Touch Pad or Mouse Problems   Fill out the Diagnostics Checklist as you complete these checks.     Turn off call waiting (catch-phone) — See your telephone directory for instructions on deactivating this feature. Then adjust the dial-up networking connection properties. Windows ® XP 1.   Click the...

PC Card Problems     Drive Problems   Fill out the Diagnostics Checklist as you complete these checks. If you cannot save a file to a floppy disk drive   Disable the numeric keypad — Press to disable the numeric keypad if numbers are displayed instead of letters. Verify that the numbers lock light i...

If you have problems with a hard drive     Network Problems   Fill out the Diagnostics Checklist as you complete these checks.   General Program Problems   Fill out the Diagnostics Checklist as you complete these checks. A program crashes     Disable standby mode in Windows before writing to a CD-RW...

A program stops responding   A solid blue screen appears   Error messages appear   Resolving Software and Hardware Incompatibilities   In the Microsoft ®  W i n d o w s ®  XP and Windows 2000 operating systems, IRQ conflicts occur if a device either is not detected during the operating system setup ...

Windows 2000 1. Click the Start button, point to Settings , and then click Control Panel . 2. Double-click the System icon. 3. Click the Hardware tab. 4. Click Device Manager . 5. Click View and click Resources by connection . 6. Double-click Interrupt request (IRQ) to view the IRQ assignments. Conf...

Adding and Replacing Parts      Adding Memory    Adding a Mini PCI Card    Replacing the Hard Drive    Connecting a TV to the Computer Adding Memory   You can increase your computer memory by installing memory modules on the system board. See " Specifications " for information on the memory ...

  8. Ground yourself and install the new memory module: a.   Align the notch in the module with the slot in the center of the connector. b.   Slide the edge of the module firmly into the connector, and rotate the module down until you feel a click. If you do not feel the click, remove the module and...

13. Replace the Mini PCI card cover. Replacing the Hard Drive   To replace the hard drive in the hard drive bay: 1. Make sure that the work surface is flat and clean to prevent scratching the computer cover. 2. Save and close any open files, exit any open programs, and shut down the computer. 3. If ...

  Your computer has an S-video TV-out connector that, together with the included TV/digital audio adapter cable, enables you to connect the computer to a television and/or stereo audio device. The TV/digital audio adapter cable provides connections for S-video, composite video, and S/PDIF digital au...

1. Turn off the computer and the television and/or audio device you want to connect. 2. Connect the TV/digital audio adapter cable to the S-video TV-out connector on your computer. 3. Plug one end of the S-video cable into the S-video connector on the TV/digital audio adapter cable.   4. Plug the ot...

  Before you begin, make sure that you have the following cables:   1. Turn off the computer and the television and/or audio device you want to connect. 2. Connect the TV/digital audio adapter cable to the S-video TV-out connector on your computer. 3. Plug one end of the S-video cable into the S-vid...

  Before you begin, make sure that you have the following cables:   1. Turn off the computer and the television and/or audio device you want to connect. 2. Connect the TV/digital audio adapter cable to the S-video TV-out connector on the computer. 3. Plug one end of the composite video cable into th...

    Before you begin, make sure that you have the following cables:   1. Turn off the computer and the television and/or audio device you want to connect. 2. Connect the TV/digital audio adapter cable to the S-video TV-out connector on the computer. 3. Plug one end of the composite video cable into ...

NVIDIA Video Controller 1. Open the Control Panel window: In Windows 2000 , click the Start button, click Settings , and then click the Control Panel icon. In Windows XP , click the Start button and then click the Control Panel icon. 2. Double-click the Display icon, click the Settings tab, and then...

3. Click the Properties (wrench) icon. 4. Click the Audio tab. 5. Click Enable S/PDIF output . 6. Click Apply .   7. Click OK . Enabling S/PDIF in the Windows Audio Driver 1. Double-click the speaker icon in the Windows notification area. 2. Click the Options menu and then click Advanced Controls . ...

Using the System Setup Program      Overview    Viewing the System Setup Screens    System Setup Screens    Commonly Used Options Overview   You can use the system setup program as follows:   l To set or change user-selectable features — for example, your password   l To verify information about you...

  l Battery charge status   l Power management settings   l System security and hard drive password settings Commonly Used Options Changing the Boot Sequence   The boot sequence, o r boot order, tells the computer where to look to find the software needed to start the operating system. You can contr...

Traveling With Your Computer      Identifying Your Computer    Packing the Computer    Travel Tips Identifying Your Computer   l Attach a name tag or business card to the computer, or use a permanent marker or stencil to write a unique identifying mark (such as your driver's license number) on the c...

About Microsoft ®  Windows ®  XP      Help and Support Center    Switching to Classic View    Desktop Cleanup Wizard    Files and Settings Transfer Wizard    Program Compatibility Wizard    User Accounts and Fast User Switching    Home and Small Office Networking    Internet Connection Firewall Help...

1. Right-click an empty spot on the desktop, and click Properties . 2. Click the Desktop tab, and click Customize Desktop . 3. Click Run Desktop Cleanup Wizard every 60 days to remove the check mark. 4. Click OK .   You can run the Desktop Cleanup Wizard any time by clicking Clean Desktop Now under ...