Produtos da Marca Dell

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System Board

Dell™Dimension™2400Series

Removing the System Board

Installing the System Board

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Removing the System Board

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1. Shut down the computer through the Start menu.

2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut

down your computer, turn them off now.

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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.

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5. Remove the computer cover.

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6. Remove the floppy drive.

7. Remove any cards that are installed.

8. Disconnect all cables from the system board.

9. Lift up the heat-sink shroud.

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10. Remove the microprocessor heat sink.

11. Remove the fan assembly.

12. Remove the 12 screws that secure the system board to the computer frame.

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Four of the 12 screws that secure the system board to the computer frame also secure the heat-sink base to the system board.

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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual or Product Information

Guide.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

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

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the

computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

CAUTION: The microprocessor heat sink can get hot. To avoid burns, ensure that the heat sink has had sufficient time to cool before you touch it.