Dell Dimension E521 Manuel d'utilisateur télécharger pdf (Page 42)

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5. Set the processor lightly in the socket and ensure that the processor is positioned correctly.

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6. While lightly pressing down on the processor, rotate the release lever back toward the system board until it snaps into place, securing the processor.

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7. Clean the thermal grease from the bottom of the heat sink.

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8. Apply the new thermal grease to the top of the processor.

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9. Install the heat sink assembly:

a. Place the heat sink assembly back onto the heat-sink assembly bracket.

b. Rotate the heat sink assembly down towards the computer base and ensure that the two captive screws are properly aligned with the holes in

the system board.

c. Tighten the two captive screws.

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10. If previously removed, snap the card retention mechanism into place, securing the x16 PCI card.

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processor pin-1 indicator

processor

release lever

socket

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NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you install the processor.

NOTICE: Ensure that you apply new thermal grease. New thermal grease is critical for ensuring adequate thermal bonding, which is a requirement for

optimal processor operation.

NOTICE: Ensure that the floppy drive and audio cables are not routed so that they are pinched when the heat sink assembly is installed.

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

heat sink assembly

heat sink assembly bracket

captive screws (2)

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Dell Dimension E521 Manuel d'utilisateur Page 42

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