Dell Dimension 3000 User Manual download pdf (Page 23)

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1. Follow the procedures in Before You Begin.

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2. Disconnect the cooling fan power cable from the fan connector on the system board.

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3. Disconnect the power cable from the processor power connector on the system board.

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4. Lift up the airflow shroud.

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5. Remove the microprocessor heat sink:

a. Twist the heat sink from side to side to break the seal.

b. Pull the release tab out until the heat sink is released.

c. Lift the heat sink away from the microprocessor.

d. On the retention base, locate the tab opposite the power supply. Press on the retention base tab until the heat sink pops up slightly.

e. Press out on the second retention tab while lifting the heat sink up and out of the retention base.

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6. Push down and out on the socket release lever.

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7. Open the processor cover.

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

CAUTION: The heat sink can get very hot during normal operation. Be sure that the heat sink has had sufficient time to cool before you touch it.

NOTICE: Lay the heat sink down on its side.

NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell,

reuse the original heat sink and blower when you install your new processor.

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Dell Dimension 3000 User Manual Page 23

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