Dell D520 specifications

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memory, hard drives, and video. If no problems are detected during POST, the computer continues the start-up.

processor — A computer chip that interprets and executes program instructions. Sometimes the processor is referred to as the CPU (central processing unit).

program — Any software that processes data for you, including spreadsheet, word processor, database, and game packages. Programs require an operating system to run.

PS/2 — personal system/2 — A type of connector for attaching a PS/2-compatible keyboard, mouse, or keypad.

PXE pre-boot execution environment — A WfM (Wired for Management) standard that allows networked computers that do not have an operating system to be configured and started remotely.

R

RAID — redundant array of independent disks — A method of providing data redundancy. Some common implementations of RAID include RAID 0, RAID 1, RAID 5, RAID 10, and RAID 50.

RAM random-access memory — The primary temporary storage area for program instructions and data. Any information stored in RAM is lost when you shut down your computer.

readme file — A text file included with a software package or hardware product. Typically, readme files provide installation information and describe new product enhancements or corrections that have not yet been documented.

read-only— Data and/or files you can view but cannot edit or delete. A file can have read-only status if:

¡It resides on a physically write-protected floppy disk, CD, or DVD.

¡It is located on a network in a directory and the system administrator has assigned rights only to specific individuals.

refresh rate — The frequency, measured in Hz, at which your screen's horizontal lines are recharged (sometimes also referred to as its vertical frequency). The higher the refresh rate, the less video flicker can be seen by the human eye.

resolution — The sharpness and clarity of an image produced by a printer or displayed on a monitor. The higher the resolution, the sharper the image.

RFI — radio frequency interference — Interference that is generated at typical radio frequencies, in the range of 10 kHz to 100,000 MHz. Radio frequencies are at the lower end of the electromagnetic frequency spectrum and are more likely to have interference than the higher frequency radiations, such as infrared and light.

ROM read-only memory — Memory that stores data and programs that cannot be deleted or written to by the computer. ROM, unlike RAM, retains its contents after you shut down your computer. Some programs essential to the operation of your computer reside in ROM.

RPM — revolutions per minute — The number of rotations that occur per minute. Hard drive speed is often measured in rpm.

RTC — real time clock — Battery-powered clock on the system board that keeps the date and time after you shut down the computer.

RTCRST real-time clock reset — A jumper on the system board of some computers that can often be used for troubleshooting problems.

S

ScanDisk — A Microsoft utility that checks files, folders, and the hard disk's surface for errors. ScanDisk often runs when you restart the computer after it has stopped responding.

SDRAM — synchronous dynamic random-access memory — A type of DRAM that is synchronized with the optimal clock speed of the processor.

serial connector — 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 support.dell.com or when you call Dell for customer service or technical support.

setup program — A program that is used to install and configure hardware and software. The setup.exe or install.exe program comes with most Windows software packages. Setup program differs from system setup.

shortcut — An icon that provides quick access to frequently used programs, files, folders, and drives. When you place a shortcut on your Windows desktop and double-click the icon, you can open its corresponding folder or file without having to find it first. Shortcut icons do not change the location of files. If you delete a shortcut, the original file is not affected. Also, you can rename a shortcut icon.

shutdown — The process of closing windows and exiting programs, exiting the operating system, and turning off your computer. You can lose data if you turn off your computer before completing a shutdown.

smart card — A card that is embedded with a processor and a memory chip. Smart cards can be used to authenticate a user on computers equipped for smart cards.

software — Anything that can be stored electronically, such as computer files or programs.

S/PDIF — Sony/Philips Digital Interface — An audio transfer file format that allows the transfer of audio from one file to another without converting it to and from an analog format, which could degrade the quality of the file.

standby mode — A power management mode that shuts down all unnecessary computer operations to save energy.

Strike Zone™ — Reinforced area of the platform base that protects the hard drive by acting as a dampening device when a computer experiences resonating shock or is dropped (whether the computer is on or off).

surge protectors — Prevent voltage spikes, such as those that may occur during an electrical storm, from entering the computer through the electrical outlet.

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Contents Abbreviations and Acronyms Dell Latitude D520 Users GuideAbout Your Computer Front ViewDevice status lights Keyboard status lights Left View Audio connectorsUSB connectors Right ViewBack View Serial connector Modem connector RJ-11Network connector RJ-45 Video TV-out 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 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 InformationGuides Dell Support Website support.dell.comSelect Drivers & Downloads and click Go 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 002A. Austin, Texas Business Virgin IslandsVenezuela Using the Keyboard and Touch Pad Numeric KeypadKey Combinations Microsoft Windows Logo Key Functions Power ManagementTouch Pad Speaker FunctionsMouse Properties window Customizing the Touch PadUsing Multimedia Adjusting the VolumePlaying a CD or DVD Copying CDs and DVDs Adjusting the PictureHow to Copy a CD or DVD Using Blank CDs and DVDsConnecting Your Computer to a TV or Audio Device Helpful TipsMedia Type Read Write Rewritable 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 ModemConnecting 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 Enabling/Disabling the Wireless Network CardConnecting to a Mobile Broadband Network Internet Connection Firewall 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 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 driveMail, Modem, and Internet Problems Error MessagesVerify that the modem is communicating with Windows 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 NetworkPower Problems Ensuring Sufficient Power for Your ComputerDocking Power Considerations 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.