Dell D520 specifications Power Problems, Ensuring Sufficient Power for Your Computer

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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 card manufacturer.

Power 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.

Check the power light — When the power light is lit or blinking, the computer has power. If the power light is blinking, the computer is in standby mode— press the power button to exit standby mode. If the light is off, press the power button to turn on the computer.

Charge the battery — The battery charge may be depleted.

1.Reinstall the battery.

2.Use the AC adapter to connect the computer to an electrical outlet.

3.Turn on the computer.

NOTE: Battery operating time (the time the battery can hold a charge) decreases over time. Depending on how often the battery is used and the conditions under which it is used, you may need to purchase a new battery during the life of your computer.

Check the battery status light — If the battery status light flashes orange or is a steady orange the battery charge is low or depleted. Connect the computer to an electrical outlet.

If the battery status light flashes green and orange, the battery is too hot to charge. Shut down the computer, disconnect the computer from the electrical outlet, and then let the battery and computer cool to room temperature.

If the battery status light rapidly flashes orange, the battery may be defective. Contact Dell (see Contacting Dell).

Check the battery temperature — If the battery temperature is below 0° C (32° F), the computer will not start up.

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.

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

Adjust the power properties — See Configuring Power Management Settings.

Reseat the memory modules — If the computer power light turns on but the display remains blank, reinstall the memory modules (see Memory).

Ensuring Sufficient Power for Your Computer

Your computer is designed to use a 65-W or 90-W AC adapter. However, for optimum system performance, you should always use a 90-W adapter.

Using less-powerful AC adapters, including the 65-W AC adapter, will cause you to receive a WARNING message.

Docking Power Considerations

Your computer supports use of a Dell D/Port advanced port replicator. Due to the extra power consumption when a computer is docked to a docking device,

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Contents Abbreviations and Acronyms Dell Latitude D520 Users GuideDevice status lights About Your ComputerFront View Keyboard status lights Left View Audio connectorsBack View USB connectorsRight View Serial connector Modem connector RJ-11Network connector RJ-45 Video TV-out connectorBottom View Back to Contents Appendix Cleaning Your ComputerFCC Class B Macrovision Product NoticeFCC Notice U.S. Only 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 BlankSetting Display Resolution and Refresh Rate Using the DisplayAdjusting Brightness Switching the Video ImageSwapping Primary and Secondary Displays Click Settings in the Display Properties windowFind It Here Finding InformationSelect Drivers & Downloads and click Go GuidesDell Support Website support.dell.com Windows Help and Support Center 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 ServiceAntigua and Barbuda Diagnostics ChecklistBefore You Call Contacting Dell0011 Argentina Buenos AiresAruba Australia SydneyCayman Islands Canada North YorkOntario 011Ecuador Denmark CopenhagenDominica Dominican RepublicHong Kong GrenadaGuatemala GuyanaKorea Seoul JamaicaWebsite support.jp.dell.com Japan KawasakiNetherlands Amsterdam MexicoMontserrat Netherlands AntillesGrenadines St. Kitts and NevisSt. Lucia St. VincentWebsite support.ap.dell.com Thailand Switzerland GenevaTaiwan 002Venezuela A. Austin, Texas BusinessVirgin Islands Key Combinations Using the Keyboard and Touch PadNumeric Keypad Microsoft Windows Logo Key Functions Power ManagementTouch Pad Speaker FunctionsMouse Properties window Customizing the Touch PadPlaying a CD or DVD Using MultimediaAdjusting the Volume Copying CDs and DVDs Adjusting the PictureHow to Copy a CD or DVD Using Blank CDs and DVDsMedia Type Read Write Rewritable Connecting Your Computer to a TV or Audio DeviceHelpful Tips Composite Video and Standard Audio Video and Standard AudioSetting Up the Cyberlink CL Headphones Click Device Settings Click the DVD Audio Setting iconWireless Local Area Network Wlan Setting Up a NetworkPhysically Connecting to a Network or Broadband Modem Network Setup WizardStart Button and Connect To Option Checking Your Wireless Network CardSetting Up a New Wlan Connecting a Wireless Router and a Broadband ModemUnder Pick a Help topic, click Dell User and System Guides Connecting to a Wireless Local Area NetworkDetermining the Wireless Network Device Manager Connecting to a Mobile Broadband Network Mobile Broadband or Wireless Wide Area Network WwanEnabling/Disabling the Wireless Network Card Internet Connection Firewall Turning Off Your Computer Adding and Replacing PartsBefore You Begin Recommended ToolsHard Drive Removing the Device Security Screw Media BayReturning a Hard Drive to Dell Hinge Cover Removing and Installing Media Bay DevicesKeyboard Memory Page Wireless Local Area Network Wlan Cards Wireless CardsCoin-Cell Battery Internal Card With Bluetooth Wireless TechnologyBack to Contents Dell QuickSet Security Cable Lock PasswordsUsing a Primary/System Password Securing Your ComputerIf Your Computer Is Lost or Stolen Using an Administrator PasswordUsing a Hard Drive Password Computer Tracking SoftwareBack to Contents 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 UtilitiesClick Start→ Help and Support Using the Drivers and Utilities CDManually Reinstalling Drivers Software and Hardware IncompatibilitiesRestoring 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 CommunicationsVideo AudioAC Adapter BatteryKeyboard Touch PadEnvironmental PhysicalDell Latitude D520 Users Guide 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 driveVerify that the modem is communicating with Windows Mail, Modem, and Internet ProblemsError Messages CD drive controller failure Click Start→ Control Panel→ Add or Remove Programs If you have problems with an Ieee 1394 device Ieee 1394 Device ProblemsKeyboard Problems External Keyboard problemsComputer stops responding Lockups and Software ProblemsUnexpected characters Computer does not start upSolid blue screen appears Memory ProblemsNetwork Problems Other software problemsRestart the computer and log on to the network again PC Card or ExpressCard ProblemsGeneral Mobile Broadband NetworkDocking Power Considerations Power ProblemsEnsuring Sufficient Power for Your Computer Docking While the Computer Is Running Printer ProblemsScanner Problems AC Power Loss While the Computer Is DockedNo sound from integrated speakers Sound and Speaker ProblemsTouch Pad or Mouse Problems No sound from headphonesIf the display is difficult to read Video and Display ProblemsCheck the touch pad settings If the display is blankConnect an external monitor Adjust the Windows display settingsIf only part of the display is readable Click Start→ Control Panel→ Appearance and Themes
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D520 specifications

The Dell D520 is a robust and reliable laptop that was introduced as part of Dell's Latitude series, catering primarily to business professionals and enterprises. Known for its solid build and practical features, the D520 emphasizes productivity and durability in a mobile computing environment.

One of the standout features of the Dell D520 is its comfortable keyboard layout. The full-sized, spill-resistant keyboard offers a tactile feel, making it ideal for extended typing sessions. Additionally, the touchpad is responsive, enhancing ease of navigation while on the go. The laptop's design prioritizes ease of use, ensuring that users can work efficiently, whether in an office or while traveling.

In terms of hardware, the Dell D520 typically features Intel processors, which provide a balanced mix of performance and power efficiency. This enables users to run multiple applications without significant lag, making it suitable for multitasking. The laptop is also equipped with a decent amount of RAM, ensuring smooth performance for standard business applications and tasks.

The D520 includes various connectivity options, crucial for modern-day professionals. It typically comes with several USB ports, an Ethernet port, and a VGA port for connecting to external displays. There is also the option for Wi-Fi connectivity, allowing users to connect to networks effortlessly.

One of the key characteristics of the Dell D520 is its durability. The laptop is designed to withstand the rigors of daily use and features a sturdy chassis that can handle rough treatment. This durability makes it a favorite among users who need a reliable machine that can endure a busy workday.

The D520 also emphasizes security features that are essential for business users. It includes options for fingerprint readers and smart card readers, allowing users to enhance data protection. This level of security is particularly valuable for professionals handling sensitive information.

Battery life is another important aspect of the Dell D520. With an efficient power management system, users can expect a reasonable battery performance that allows for extended work sessions without needing to recharge frequently.

Overall, the Dell D520 combines practicality, durability, and efficiency, making it an excellent choice for business professionals who require a reliable laptop for everyday tasks. Its balance of features and performance continues to make it a suitable option for users who prioritize functionality and dependability in their computing devices.
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