Service Manual

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1. Follow the procedures in Before You Begin.

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2. Remove the CD/DVD drive, if installed (see Removing a CD/DVD Drive).

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3. Remove the two screws from either side of the heat sink assembly.

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4. Pivot the assembly towards the back of the computer and lift to remove.

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Installing the Heat Sink Assembly

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1. Place the heat sink assembly back onto the heat sink assembly bracket.

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2. Rotate the heat sink assembly down towards the computer base and tighten the two captive screws.

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3. Replace the CD/DVD drive (see Installing a CD/DVD Drive).

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4. Replace the computer cover (see Replacing the Computer Cover).

Fan Assembly

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Removing the Fan Assembly

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1. Follow the procedures in Before You Begin.

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2. Remove the CD/DVD drive, if installed (see Removing a CD/DVD Drive).

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3. Remove the heat sink assembly (see Removing the Heat Sink Assembly).

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heat sink assembly

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

touch it.

NOTICE: After you remove the heat sink assembly, lay the assembly on its side. Do not set the heat sink assembly upright or touch the thermal

interface to avoid damage to the thermal interface material on the underside.

NOTICE: Ensure that the heat sink is correctly seated and secure.

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

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

touch it.