Dell E520 service manual Removing the Power Supply

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Removing and Installing Parts: Dell Dimension E520 Service Manual

1

battery release lever

2

battery (positive side)

7.

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

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

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

9.Enter system setup (see System Setup) and restore the settings you recorded in step 1.

10.Properly dispose of the old battery.

See the Product Information Guide for battery disposal information.

Power Supply

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

Removing the Power Supply

1.Follow the procedures in Before You Begin.

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

3.Disconnect the DC power cables from the system board and the drives.

NOTICE: Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent them from being pinched or crimped.

4.Remove any cables from the cable routing clip on the power supply.

5.Remove the four screws that attach the power supply to the back of the computer frame.

6.Press the release tab located on the floor of the computer frame.

7.Slide the power supply approximately 1 inch towards the front of the computer.

8.Lift the power supply out of the computer.

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 Getting Started Recommended ToolsTurning Off Your Computer Before Working Inside Your ComputerBack to Contents About Your Computer Front View of the ComputerBack View of the Computer Back Panel Connectors Has been securely attached VGA connector Inside View of Your Computer System Board ComponentsPower Supply DC Connector Pin Assignments ClrpswdDC Power Connector P1 Pin Number Signal Name Color Wire GaugePin Number Signal Name AWG Wire DC Power Connector P2DC Power Connect P3, P5, P8, and P9 DC Power Connector P7 DC Power Connector P10Computer Information ProcessorMemory Video AudioExpansion Bus DrivesControls and Lights ConnectorsPower Physical EnvironmentalAdvanced Troubleshooting Power LightsDiagnostic Lights Problem Description Suggested ResolutionBeep Codes Code CauseSystem Messages MessagePossible Cause Corrective ActionDell Diagnostics Starting the Dell DiagnosticsTab Function Dell Diagnostics Main MenuOption Function What Is a Driver? Reinstalling DriversDrivers Identifying DriversResolving Software and Hardware Incompatibilities Click Roll Back DriverClick Start, then click Help and Support Overview Entering System SetupSystem Setup Screens System Setup Options SystemOnboard Devices Boot Sequence Option SettingsChanging Boot Sequence for the Current Boot Changing Boot Sequence for Future BootsClearing Forgotten Passwords Click Save this program to disk, and then click OK Clearing Cmos SettingsFlashing the Bios Back to Contents Removing and Installing Parts Removing the Computer CoverInside View of Your Computer System Board Components Usbback Memory DDR2 Memory OverviewAddressing Memory With 4-GB Configurations Installing MemoryRemoving Memory Cards PCI CardsRelease tab Bracket caught outside of slot Removing a PCI Card Installing a PCI Express Card PCI Express CardsPage Page Removing a PCI Express Card Drive Panel Removing the Drive PanelInstalling the Drive-Panel Insert Removing the Drive-Panel InsertInstalling the Drive Panel DrivesConnecting Drive Cables Drive Interface ConnectorsHard Drive Removing a Hard DriveInstalling a Hard Drive Drive Adding a Second Hard Drive Floppy Drive Removing a Floppy DriveInstalling a Floppy Drive Shoulder screws Media Card Reader Removing a Media Card ReaderInstalling a Media Card Reader Reader Media Card Reader Screws CD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Screws Battery Replacing the BatteryPower Supply Removing the Power SupplyInstalling the Power Supply ProcessorRemoving the Processor Processor socket Installing the Processor Panel Panel Components Removing the I/O PanelRemoving the Processor Fan Installing the I/O PanelProcessor Fan Page Removing the System Board Installing the Processor FanSystem Board Installing the System Board Replacing the Computer Cover
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