Dell D830, PP04X manual Using the Display, Adjusting Brightness

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Using the Display

Adjusting Brightness

When a Dell™ computer is running on battery power, you can conserve power by setting the display brightness to the lowest comfortable setting by pressing <Fn> and the up- or down-arrow key on the keyboard.

NOTE: Brightness key combinations only affect the display on your portable computer, not monitors or projectors that you attach to your portable computer or docking device. If your computer is connected to an external monitor and you try to change the brightness level, the Brightness Meter may appear, but the brightness level on the external device does not change.

You can press the following keys to adjust display brightness:

•Press <Fn> and the up-arrow key to increase brightness on the integrated display only (not on an external monitor).

•Press <Fn> and the down-arrow key to decrease brightness on the integrated display only (not on an external monitor).

Switching the Video Image From Your Computer Display to a Projector

When you start the computer with an external device (such as an external monitor or projector) attached and turned on, the image may appear on either the computer display or the external device.

Press <Fn><F8> to switch the video image between the display only, the external device only, or the display and the external device simultaneously.

Making Images and Text Look Bigger or Sharper on the Screen: Setting Display Resolution and Refresh Rate

NOTE: If you change the display resolution from the current settings, the image may appear blurry or text may be hard to read if you change the resolution to one not supported by your computer and display. Before you change any of the display settings, make a note of the current settings so you can change back to the previous settings if you need to.

You can enhance the legibility of text and change the appearance of images on the screen by adjusting display resolution. As you increase resolution, items appear smaller on the screen. In contrast, lower resolution causes text and images to appear larger and can benefit people with vision impairments. To display a program at a specific resolution, both the video card and the display must support the program, and the necessary video drivers must be installed.

NOTE: Use only the Dell-installed video drivers, which are designed to offer the best performance with your Dell- installed operating system.

Using the Display

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Contents User’s Guide Abbreviations and Acronyms Contents Customizing the Touch Pad and Track Stick Microsoft Windows Logo Key FunctionsSetting Up and Using Networks Securing Your Computer Program stops responding or crashes repeatedly Traveling With Your Computer 104 Internal Card With Bluetooth Wireless Technology 116100 102137 Returning Items for Warranty Repair or Credit 133134 135What Are You Looking For? Find It Here Finding InformationService Tag and Microsoft Windows License Dell Support Website support.dell.com What Are You Looking For?To view Dell QuickSet Help, right-click the Quickset Front View About Your ComputerV I C E S T a T U S L I G H T S About Your Computer Y B O a R D S T a T U S L I G H T S Left Side View D I O C O N N E C T O R S Right Side View Connect USB devices, such as a mouse, keyboard, or printer Back View Connects serial devices, such as a mouse or handheld device Bottom View About Your Computer Transferring Information to a New Computer Start the Files and Settings Transfer WizardClick Start→ Files and Settings Transfer Wizard Windows Vista Page Battery Performance Using a BatteryCheck the Battery Charge Checking the Battery ChargeDell QuickSet Battery Meter Microsoft Windows Power MeterStandby Mode Conserving Battery PowerPower Management Modes Low-Battery WarningClick Start→ Shut Down→ Stand by. or Hibernate ModeCharging the Battery Configuring Power Management SettingsReplacing the Battery Storing a Battery Key Combinations Using the KeyboardBattery Numeric KeypadDisplay Functions Power ManagementMicrosoft Windows Logo Key Functions Touch Pad Customizing the Touch Pad and Track Stick Changing the Track Stick CapMouse Properties window Playing CDs or DVDs Using MultimediaVolume Control Buttons Adjusting the VolumeAdjusting the Picture Volume Control WindowAdjusting Brightness Using the DisplayMicrosoft Windows XP Microsoft Windows XP Click the Settings tab→ Advanced→ Displays tab Using the Ambient Light SensorAmbient light sensor Using the Display Setting Up a Network in Microsoft Windows Vista Setting Up and Using NetworksConnecting a Network or Broadband Modem Cable Setting Up a Network in Microsoft Windows XPStart Button and Connect To Option Wireless Local Area Network WlanChecking Your Wireless Network Card What You Need to Establish a Wlan ConnectionOrder Confirmation for Your Computer Determining the Wireless Network Device Manager Connecting to a WlanCompleting the Connection to the Wlan Mobile Broadband or Wireless Wide Area Network WwanChecking Your Mobile Broadband Card Connecting to a Mobile Broadband NetworkLocation Profile Settings General Mobility Settings Click Start→ All Programs→ Dell WirelessEnabling/Disabling the Dell Mobile Broadband Network Card Internet Connection Firewall Dell Wi-Fi Catcher Network LocatorButton → Help and Support Card Blanks Using CardsInstalling a PC Card or ExpressCard Card TypesExpressCard Removing a Card or Blank Using Cards Smart Cards Installing a Smart CardSecuring Your Computer Security Cable LockPasswords Using an Administrator Password Using a Primary/System PasswordType of Password Features Using a Hard Drive Password Trusted Platform Module TPM Enabling the TPM FeatureComputer Tracking Software Security Management SoftwareIf Your Computer Is Lost or Stolen When to Use the Dell Diagnostics TroubleshootingDell Technical Update Service Dell DiagnosticsInsert the Drivers and Utilities CD Dell Diagnostics Main MenuOption Function Test System Run System Diagnostics Exit Dell Support Utility Accessing the Dell Support UtilityClicking the Dell Support Icon Click Start→ My Computer. In Windows Vista Drive ProblemsCD and DVD drive problems Double-Clicking the Dell Support IconClick Start→ My Computer Hard drive problemsProblems writing to a CD/DVD-RW drive If you hear an unfamiliar scraping or grinding soundMail, Modem, and Internet Problems Error Messages Diagnostics see Dell Diagnostics on Click Start→ Control Panel→ Add or Remove Programs Click Device Manager Ieee 1394 Device ProblemsKeyboard Problems External keyboard problemsComputer stops responding Lockups and Software ProblemsUnexpected characters Computer does not start upClick Task Manager→ click Applications Other software problemsProgram stops responding or crashes repeatedly Solid blue screen appearsNetwork Problems Memory ProblemsGeneral Power Problems PC Card or ExpressCard ProblemsAC Power Loss While the Computer Is Docked Printer ProblemsEnsuring Sufficient Power for Your Computer Docking Power ConsiderationsSound and Speaker Problems Scanner ProblemsNo sound from external speakers Touch Pad or Mouse ProblemsNo sound from headphones No sound from integrated speakersIf the display is blank Video and Display ProblemsIf the display is difficult to read Click Start→ Control Panel→ Appearance and Themes If only part of the display is readableOverview System Setup ProgramViewing the System Setup Screens System Setup ScreensChanging the Boot Sequence Commonly Used SettingsPerforming a One-Time Boot Changing COM Ports System Setup Program Travel Tips Traveling With Your ComputerIdentifying Your Computer Packing the ComputerTraveling by Air Identifying Drivers Reinstalling SoftwareWhat Is a Driver? DriversClick Properties→ Hardware→ Device Manager Reinstalling Drivers and UtilitiesUsing Windows Device Driver Rollback Using the Drivers and Utilities CDManually Reinstalling Drivers Restoring Your Operating System Fix a Problem section, click Hardware TroubleshooterClick Start→ Help and Support Starting System Restore Using Microsoft Windows System RestoreUndoing the Last System Restore Before You Begin Using the Operating System CDEnabling System Restore Reinstalling WindowsReinstalling Software Reinstalling Software Turning Off Your Computer Adding and Replacing PartsBefore You Begin Recommended Tools100 Hard Drive101 102 Media BayReturning a Hard Drive to Dell Removing the Device Security Screw103 Removing and Installing Media Bay Devices104 Hinge Cover105 Keyboard106 107 Memory108 109 110 Subscriber Identity Module SIM Card Wireless Cards111 112 Wireless Local Area Network Wlan Cards113 114 Mobile Broadband or Wireless Wide Area Network Wwan Cards115 FCM Flash Cache Module116 Internal Card With Bluetooth Wireless Technology117 118 Coin-Cell Battery119 120 121 Dell QuickSet122 123 SpecificationsCommunications Ports and Connectors124 MemoryVideo 125Audio Display 126Touch Pad Battery127 KeyboardAC Adapter 128Physical Environmental 129130 Obtaining Assistance Technical Support and Customer ServiceDellConnect Online Services Getting Help132 AutoTech ServiceAutomated Order-Status Service Problems With Your Order133 134 Before You CallContacting Dell Diagnostics Checklist135 136 Visit support.dell.comTouch Pad Cleaning Your ComputerAppendix Computer, Keyboard, and DisplayCDs and DVDs Cleaning a Non-Optical MouseCleaning an Optical Mouse Floppy Drive139 Macrovision Product NoticeFCC Notice U.S. Only FCC Class B140 141 GlossaryDevice driver See driver 142Docking device See APR 143144 145 Module bay See media bay 146147 148 149 150 Video resolution See resolution
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PP04X, D830 specifications

The Dell PP04X, commonly known as the Dell Latitude E6420, is a versatile and robust laptop that is designed for business professionals and power users alike. It combines performance, durability, and a wide array of connectivity options, making it a popular choice in the corporate world.

One of the standout features of the PP04X is its solid build quality. The laptop is constructed with a premium aluminum chassis paired with a magnesium alloy frame, ensuring it can withstand the rigors of daily use. The spill-resistant keyboard provides an added layer of protection against accidental spills, making this device a reliable option for users on the go.

The Dell PP04X is powered by Intel's second-generation Core processors, providing excellent performance for multitasking and demanding applications. With options ranging from Core i3 to Core i7, users can select the level of power they need for their specific tasks. The laptop supports up to 8GB of DDR3 RAM, which contributes to its ability to handle multiple applications simultaneously without compromising speed.

In terms of storage, the Latitude E6420 offers various configurations, including traditional hard drives (HDD) and solid-state drives (SSD), allowing users to balance performance and storage capacity based on their requirements. The inclusion of SSD options results in faster boot times and quicker file access, greatly enhancing overall productivity.

The display of the Dell PP04X is another highlight. It features a 14-inch HD screen with anti-glare technology, making it suitable for use in various lighting conditions, whether in a brightly lit office or while traveling. The high-resolution screen ensures crisp visuals, ideal for presentations and detailed graphic work.

Connectivity options on the Latitude E6420 are plentiful, featuring multiple USB ports, an HDMI output, and an ExpressCard slot for expandability. Additionally, users can opt for built-in mobile broadband capabilities to stay connected on the move.

Dell also places a strong emphasis on security in the PP04X. The laptop includes features such as a fingerprint reader, smart card reader, and optional TPM (Trusted Platform Module) for enhanced security, ensuring that sensitive information remains protected.

Overall, the Dell PP04X Latitude E6420 is an excellent choice for business users who require a durable and powerful laptop. With its blend of performance, security features, and connectivity options, it is well-suited to meet the demands of a fast-paced work environment. Whether for office use or travel, the PP04X provides a reliable and efficient computing experience.
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