Dell Essential Guide for Drivers and Parts Installation for E520

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Removing and Installing Parts: Dell Dimension E520 Service Manual

1 mounting screw 2 I/O panel

Installing the I/O Panel

Follow the removal procedure (Removing the I/O Panel) in reverse order.

If the old I/O panel has a jumper block, move it to the new I/O panel, unless the new one comes with a jumper block.

If the old I/O panel has no jumper block, then remove it from the new I/O panel if it comes with one.

When you slide the I/O panel back into the front panel, ensure all the I/O panel connectors fit into their spaces on the front panel.

Processor Fan

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

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

CAUTION: The heat sink assembly, power supply, and other components may be very hot during normal operation. Be sure that they have had sufficient time to cool before you touch them.

Removing the Processor Fan

1.Follow the procedures in Before You Begin.

2.Remove the computer cover (see Removing the Computer Cover).

3.If your computer includes a card retention mechanism to secure the x16 card in place:

file:///T/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM]

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Contents Model Dcta July 2006 Rev. A00 Before Working Inside Your Computer Getting StartedRecommended Tools Turning Off Your ComputerBack to Contents Front View of the Computer About Your ComputerBack View of the Computer Back Panel Connectors Has been securely attached VGA connector System Board Components Inside View of Your ComputerClrpswd Power Supply DC Connector Pin AssignmentsPin Number Signal Name Color Wire Gauge DC Power Connector P1DC Power Connector P2 DC Power Connect P3, P5, P8, and P9Pin Number Signal Name AWG Wire DC Power Connector P10 DC Power Connector P7Processor MemoryComputer Information Drives VideoAudio Expansion BusConnectors PowerControls and Lights Environmental PhysicalPower Lights Advanced TroubleshootingProblem Description Suggested Resolution Diagnostic LightsCode Cause Beep CodesCorrective Action System MessagesMessage Possible CauseStarting the Dell Diagnostics Dell DiagnosticsDell Diagnostics Main Menu Option FunctionTab Function Identifying Drivers What Is a Driver?Reinstalling Drivers DriversClick Roll Back Driver Resolving Software and Hardware IncompatibilitiesClick Start, then click Help and Support Entering System Setup System Setup ScreensOverview System System Setup OptionsOnboard Devices Option Settings Boot SequenceChanging Boot Sequence for Future Boots Changing Boot Sequence for the Current BootClearing Forgotten Passwords Clearing Cmos Settings Flashing the BiosClick Save this program to disk, and then click OK Back to Contents Removing the Computer Cover Removing and Installing PartsInside View of Your Computer System Board Components Usbback DDR2 Memory Overview MemoryInstalling Memory Addressing Memory With 4-GB ConfigurationsRemoving Memory PCI Cards CardsRelease tab Bracket caught outside of slot Removing a PCI Card PCI Express Cards Installing a PCI Express CardPage Page Removing a PCI Express Card Removing the Drive Panel Drive PanelRemoving the Drive-Panel Insert Installing the Drive-Panel InsertDrives Installing the Drive PanelDrive Interface Connectors Connecting Drive CablesRemoving a Hard Drive Hard DriveInstalling a Hard Drive Drive Adding a Second Hard Drive Removing a Floppy Drive Floppy DriveInstalling a Floppy Drive Shoulder screws Removing a Media Card Reader Media Card ReaderInstalling a Media Card Reader Reader Media Card Reader Screws Removing a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Screws Replacing the Battery BatteryRemoving the Power Supply Power SupplyProcessor Installing the Power SupplyRemoving the Processor Processor socket Installing the Processor Panel Removing the I/O Panel Panel ComponentsInstalling the I/O Panel Processor FanRemoving the Processor Fan Page Installing the Processor Fan System BoardRemoving the System Board Installing the System Board Replacing the Computer Cover
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