Dell PP04X specifications Video and Display Problems, If the display is blank

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automatically recognizes a USB mouse without making any setting adjustments.) For more information on using the system setup program, see System Setup Program.

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).

Reinstall the touch pad driver — See Reinstalling Drivers and Utilities.

Video and Display Problems

Fill out the Diagnostics Checklist (see Diagnostics Checklist) as you complete these checks.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

If the display is blank

NOTE: If you are using a program that requires a higher resolution than your computer supports, it is recommended that you attach an external monitor to your computer.

Check the battery — If you are using a battery to power your computer, the battery charge may be depleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.

Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

Check the AC adapter — Check the AC adapter cable connections. If the AC adapter has a light, ensure that the light is on.

Connect the computer directly to an electrical outlet — Bypass power protection devices, power strips, and the extension cable to verify that the computer turns on.

Adjust the power properties — Search for the keyword

Switch the video image — If your computer is attached

standby in the Windows Help and Support Center (see Windows Help and Support Center).

to an external monitor, press <Fn><F8> to switch the video image to the display.

If the display is difficult to read

Adjust the brightness — Press <Fn> and the up- or down-arrow key.

Move the external subwoofer away from the computer or monitor — If your external speaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computer or external monitor.

Eliminate possible interference — Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.

Rotate the computer to face a different direction — Eliminate sunlight glare, which can cause poor picture quality.

Adjust the Windows display settings —

1.Click Start® Control Panel® Appearance and Themes.

2.Click the area you want to change or click the Display icon.

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Contents Abbreviations and Acronyms Dell Precision Mobile Workstation M65 Users GuideAbout Your Computer Front ViewDevice status lights Keyboard status lights Left Side View Audio connectorsRight Side View Wireless switch positionsBack View Serial connector Video connectorBottom View Back to Contents Appendix Cleaning Your ComputerMacrovision Product Notice FCC Notice U.S. OnlyFCC Class B Dell QuickSet Battery Meter Using a BatteryBattery Performance Checking the Battery ChargePower Management Modes Conserving Battery PowerClick Start Shut Down Stand by Configuring Power Management SettingsCharging the Battery Hibernate ModeStoring a Battery Replacing the BatteryCard Blanks Using CardsInstalling a PC Card or ExpressCard Card TypesExpressCard Removing a Card or BlankBack to Contents Setting Display Resolution and Refresh Rate Using the DisplayAdjusting Brightness Switching the Video ImageUsing the Ambient Light Sensor Click Settings in the Display Properties windowSwapping Primary and Secondary Displays Page Finding Information What Are You Looking For? Find It HereSupport.dell.com Premier.support.dell.com Select Drivers & Downloads and click GoClick Start Help and Support Back to Contents Glossary Docking device See APR Device driver See driverPage Page NIC See network adapter Page System tray See notification area Video resolution See resolutionBack to Contents Ftp.dell.com Online ServicesGetting Help Obtaining AssistanceSupport Service Problems With Your OrderAutoTech Service Automated Order-Status ServiceDiagnostics Checklist Before You CallContacting Dell Website support.euro.dell.com ArubaAustralia Sydney 0011China Xiamen Cayman IslandsChile Santiago Support website support.dell.com.cnGermany Langen Website support.euro.dell.com Home and Small BusinessFrance Paris Montpellier CorporateJapan Kawasaki Ireland CherrywoodJamaica Website support.jp.dell.comMontserrat MacaoWebsite support.ap.dell.com Malaysia Penang MexicoSt. Lucia Portugal Website support.euro.dell.comPuerto Rico St. Kitts and NevisTrinidad/Tobago Switzerland GenevaWebsite support.ap.dell.com Taiwan Website support.ap.dell.com ThailandA. Austin, Texas Business Virgin IslandsVenezuela Using the Keyboard Numeric KeypadKey Combinations Mouse Properties window Touch PadMicrosoft Windows Logo Key Functions Customizing the Touch Pad and Track StickChanging the Track Stick Cap Volume Control Buttons Using MultimediaAdjusting the Volume Volume Control WindowClick Start Control Panel Display Adjusting the PictureNetwork Setup Wizard Using NetworksPhysically Connecting to a Network or Broadband Modem Wireless Local Area Network WlanChecking Your Wireless Network Card Setting Up a New WlanWhat You Need to Establish a Wlan Connection Connecting to a Wireless Local Area Network Determining the Wireless Network Device ManagerUnder Pick a Help topic, click Dell User and System Guides Mobile Broadband or Wireless Wide Area Network Wwan Connecting to a Mobile Broadband NetworkChecking Your Mobile Broadband Network Card Enabling/Disabling the Dell Mobile Broadband Network Card Dell Wi-Fi Catcher Network LocatorLocation Profile Settings General Mobility Settings Internet Connection FirewallBack to Contents Turning Off Your Computer Adding and Replacing PartsBefore You Begin Recommended ToolsHard Drive Media Bay Returning a Hard Drive to DellRemoving the Device Security Screw Hinge Cover Removing and Installing Media Bay DevicesMemory KeyboardPage Page Wireless Cards Wireless Local Area Network Wlan CardsSubscriber Identity Module SIM Card Mobile Broadband Cards Internal Card With Bluetooth Wireless Technology Coin-Cell Battery Back to Contents Dell QuickSet Smart Cards Installing a Smart CardSecuring Your Computer Security Cable LockFeatures PasswordsUsing a Primary/System Password Using an Administrator PasswordUsing a Hard Drive Password Enabling the TPM FeatureTrusted Platform Module TPM Security Management Software Computer Tracking SoftwareIf Your Computer Is Lost or Stolen Commonly Used Settings System Setup ProgramViewing the System Setup Screens System Setup ScreensLocate Fast IR under Onboard Devices Performing a One-Time BootChanging COM Ports Enabling the Infrared SensorPage Drivers Reinstalling SoftwareWhat Is a Driver? Reinstalling Drivers and UtilitiesUsing the Drivers and Utilities CD Manually Reinstalling DriversResolving Software and Hardware Incompatibilities Restoring Your Operating System Using Microsoft Windows XP System RestoreCreating a Restore Point Undoing the Last System RestoreBefore You Begin Using the Operating System CDEnabling System Restore Reinstalling Windows XPSpecifications Display CommunicationsGraphics AudioTrack Stick BatteryKeyboard Touch PadAC Adapter PhysicalEnvironmental Travel Tips Traveling With Your ComputerIdentifying Your Computer Packing the ComputerBack to Contents When to Use the Dell Diagnostics TroubleshootingDell Technical Update Service Dell DiagnosticsOption Function Dell Diagnostics Main MenuClicking the Dell Support Icon Drive ProblemsAccessing the Dell Support Utility Dell Support UtilityIf you hear an unfamiliar scraping or grinding sound CD and DVD drive problemsHard drive problems Problems writing to a CD/DVD-RW driveClick Start My Computer Mail, Modem, and Internet ProblemsError Messages Run Check DiskPage Click Start Control Panel Add or Remove Programs Click Start Control Panel Printers and Other Hardware Ieee 1394 Device ProblemsKeyboard Problems Ensure that the Ieee 1394 device is recognized by WindowsComputer does not start up Lockups and Software ProblemsExternal Keyboard problems Unexpected charactersEnd the program Other software problemsProgram stops responding or crashes repeatedly Solid blue screen appearsMobile Broadband Network Memory ProblemsNetwork Problems GeneralPower Problems PC Card or ExpressCard ProblemsAC Power Loss While the Computer Is Docked Printer ProblemsEnsuring Sufficient Power for Your Computer Docking Power ConsiderationsNo sound from external speakers Scanner ProblemsSound and Speaker Problems No sound from integrated speakersClick Start Control Panel Printers and Other Hardware Mouse Touch Pad or Mouse ProblemsNo sound from headphones Check the touch pad settingsIf the display is blank Video and Display ProblemsAdjust the power properties Search for the keyword Adjust the Windows display settingsConnect an external monitor If only part of the display is readable
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PP04X 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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