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.

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3. Replace the eight screws that secure the system board to the chassis.

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4. Using a hex nut driver, replace the two hex nut screws that secure the system board to the chassis.

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5. Connect all the required cables to the system board.

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

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7. Replace the processor heat-sink (see Replacing the Processor Heat Sink).

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8. Replace the processor heat-sink fan (see Replacing the Processor Heat-Sink Fan).

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9. Replace the Mini-Card(s) (see Replacing the Mini-Card(s)).

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

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11. Replace the MXM assembly (see Replacing the MXM Assembly).

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12. Replace the MXM-assembly fan (see Replacing the MXM-Assembly Fan).

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13. Replace the system-board shield (see Replacing the System-Board Shield).

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14. Follow the instructions from step 4 to step 5 in Replacing the Front Stand.

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15. Replace the back cover (see Replacing the Back Cover).

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16. Turn on the computer.

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17. Enter the Service Tag (see Entering the Service Tag in the BIOS).

Entering the Service Tag in the BIOS

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1. Turn on the computer.

hexnut screws (2)

system board

screws (8)

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.

NOTE: After you have replaced the system board, enter the computer's Service Tag into the BIOS of the replacement system board.