Dell E520 service manual Replacing the Computer Cover

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Removing and Installing Parts: Dell Dimension E520 Service Manual

6.Reconnect all cables to their connectors at the back of the computer.

7.Replace the computer cover (see Replacing the Computer Cover).

NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.

8. Connect your computer and devices to electrical outlets, and then turn them on.

NOTE: If the new system board requires flashing the BIOS, refer to Flashing the BIOS.

Replacing the Computer Cover

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

1.Ensure that all cables are connected. Fold the cables so they are out of the way.

2.Ensure that no tools or extra parts are left inside the computer.

3.Align the bottom of the cover with the tabs located along the bottom edge of the computer.

4.Using the tabs as leverage, rotate the cover downward, and then press down to close it.

1

computer cover

2 back of computer

3 bottom hinges

5.

Ensure that the cover is seated correctly before moving the computer to the upright position.

NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.

6.Connect your computer and devices to electrical outlets, and then turn them on.

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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 Connect P3, P5, P8, and P9 DC Power Connector P2Pin Number Signal Name AWG Wire DC Power Connector P10 DC Power Connector P7Memory ProcessorComputer Information Drives VideoAudio Expansion BusPower ConnectorsControls and Lights Environmental PhysicalPower Lights Advanced TroubleshootingProblem Description Suggested Resolution Diagnostic LightsCode Cause Beep CodesCorrective Action System MessagesMessage Possible CauseStarting the Dell Diagnostics Dell DiagnosticsOption Function Dell Diagnostics Main MenuTab Function Identifying Drivers What Is a Driver?Reinstalling Drivers DriversClick Roll Back Driver Resolving Software and Hardware IncompatibilitiesClick Start, then click Help and Support System Setup Screens Entering System SetupOverview System System Setup OptionsOnboard Devices Option Settings Boot SequenceChanging Boot Sequence for Future Boots Changing Boot Sequence for the Current BootClearing Forgotten Passwords Flashing the Bios Clearing Cmos SettingsClick 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 ComponentsProcessor Fan Installing the I/O PanelRemoving the Processor Fan Page System Board Installing the Processor FanRemoving the System Board Installing the System Board Replacing the Computer Cover
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