Service Manual

Replacing the System Board

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1. Follow the instructions in Before You Begin.

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2. Align the connectors on the system board with the slots on the chassis and place the system board in position.

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3. Slide the system board towards the back of the chassis and engage the latches that secure it to the chassis.

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4. Replace the two screws that secure the system board to the chassis.

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5. Route and connect the cables that you disconnected from the system board.

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6. Replace the memory module(s) (see Replacing Memory Module(s)).

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7. Replace the processor (see Replacing the Processor).

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8. Replace the processor liquid-cooling assembly (see Replacing the Processor Liquid-Cooling Assembly).

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9. Replace the coin-cell battery (see Replacing the Coin-Cell Battery).

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10. Replace the PCI-Express card(s) (see Replacing the PCI-Express Card(s)).

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11. Close the PCI shroud (see Closing the PCI Shroud).

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12. Replace the memory fan (see Replacing the Memory Fan).

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13. Replace the left side-panel (see Replacing the Left Side-Panel).

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

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latch

screws (2)

NOTE: For information on system board connectors, see System Board Components.

CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may

result in damage to the computer.