Dell Dimension C521 Service Manual

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2. Unpack the new processor, being careful not to bend any of the processor pins.
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3. If the release lever on the socket is not fully extended, move it to that position.
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4. Align the pin-1 corners of the processor and socket.
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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.
NOTE: You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on
the computer.
1
pin-1 corner
2
processor
3
release lever
4
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 heat sink assembly is correctly seated and secure.

Dell Dimension C521 Specifications

General

Brand	Dell
Model	Dimension C521
Category	Desktop
Language	English