Dell DCME 서비스 매뉴얼 - 페이지 22

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a. Rotate the clamp lever 180 degrees counter-clockwise to release the clamp grip from the bracket projection.

b. Rotate the processor fan and heat sink assembly upward gently, and remove it from the computer. Lay the processor fan and heat sink assembly

down on its top, with the thermal grease facing upward.

1 bracket

2 clamp grip

4 clamp lever 5 processor fan and heat sink assembly

NOTE:

The processor fan and heat sink assembly in your computer may not look exactly like the one shown in the illustration above.

Replacing the Processor Fan and Heat Sink Assembly

CAUTION:

When reinstalling the fan, ensure that you do not pinch the wires that run between the system board and the fan.

1. Clean the thermal grease from the bottom of the processor fan and heat sink assembly.

CAUTION:

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.

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

3. Replace the processor fan and heat sink assembly.

Inspiron 560

a. Align the captive screws on the processor fan and heat sink assembly to the four metal screw-hole projections on the system board.

b. Tighten the four captive screws that secure the processor fan and heat sink assembly to the system board.

NOTE:

Ensure that the processor fan and heat sink assembly is correctly seated and secure.

Inspiron 570

a. Place the processor fan and heat sink assembly back onto the bracket.

b. Ensure that the two clamp grips are aligned with the two bracket projections.

c. Hold the processor fan and heat sink fan assembly in place and rotate the clamp lever 180 degrees clockwise to secure the processor fan and

heat sink assembly.

4. Connect the processor fan cable to the system board connector (see

5. Replace the computer cover (see

6. Connect your computer and devices to electrical outlets, and turn them on.

3 bracket projection

Replacing the Computer

Cover).

System Board

Components).