Dell DCSM specifications Replacing the System Board, Removing the Power Supply

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3.Disconnect any telephone or telecommunication lines from the computer.

4.Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

5.Open the computer cover.

6.Remove any components that restrict access to the system board (CD/DVD drive(s), floppy drive, hard drive, I/O panel).

7.Remove the heat sink assembly and processor.

8.Disconnect all cables from the system board.

9.Remove the 10 screws from the system board (see illustrations below for screw locations).

10.Slide the system board assembly toward the front of the computer, and then lift the board up and away.

1system board

2screw (10)

11.Place the system board assembly that you just removed next to the replacement system board to ensure it is identical.

Replacing the System Board

1.Gently align the board into the chassis and slide it toward the back of the computer.

2.Replace the screws on the system board.

3.Replace any components and cables that you removed from the system board.

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

5.Replace the computer cover.

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

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

Power Supply

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

Removing the Power Supply

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Contents Abbreviations and Acronyms About Your Dell Dimension 5000 Computer Front View of ComputerBack View of Computer LightsBack to Contents Advanced Troubleshooting Dell DiagnosticsWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard DriveDell Diagnostics Main Menu Power Light Problem Description Suggested ResolutionSystem Lights Option FunctionDiagnostic Lights Light Pattern Problem Description Suggested ResolutionBeep Codes Code CauseBack to Contents Before You Begin Getting StartedRecommended Tools Turning Off Your ComputerBack to Contents Replacing the Computer Cover Removing the Computer Cover Memory Removing and Installing PartsDDR2 Memory Overview Addressing Memory With 4-GB Configurations Installing MemoryRemoving Memory CardsPCI Cards Installing a PCI Card Removing a PCI Card Installing a PCI Express Card PCI Express CardsPage Removing a PCI Express Card Drive Panels Removing the Drive PanelReplacing the Drive-Panel Insert Removing the Drive-Panel InsertReplacing the Drive Panel Drives Connecting Drive Cables Drive Interface ConnectorsPower Cable Connector Connecting and Disconnecting Drive CablesHard Drive Removing a Hard DriveInstalling a Hard Drive Adding a Second Hard DriveFloppy Drive Removing a Floppy DriveInstalling a Floppy Drive Replace the computer cover Media Card Reader Removing a Media Card ReaderInstalling a Media Card Reader Remove the computer coverCD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Replace the computer cover Processor Removing the ProcessorInstalling the Processor System Board Jumper Setting Description Jumper SettingsRemoving the System Board Removing the Power Supply Power SupplyReplacing the System Board Replacing the Power Supply Battery Replacing the BatterySpecifications Drives ConnectorsControls and Lights Physical PowerEnvironmental System Setup Entering System SetupSystem Setup Screens OverviewSystem Setup Options PXE. When the On w/ PXE setting is activeUSB, Internal, or Read Only COM3System Password option Are every day or every Monday through FridayBoot Sequence Option SettingsChanging Boot Sequence for the Current Boot Changing Boot Sequence for Future BootsClearing Forgotten Passwords Clearing Cmos SettingsBack to Contents Technical Overview Inside View of Your Computer System Board ComponentsPower Supply DC Connector Pin Assignments DC Power Connector P1Pin Number Signal Name 18-AWG Wire COMAbbreviations and Acronyms
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