Dell Inspiron 1570 Servicehandleiding - Pagina 12

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Processor Heat Sink

Dell™ Inspiron™ 1470/1570 Service Manual

Removing the Processor Heat Sink

Replacing the Processor Heat Sink

WARNING:

Before working inside your computer, read the safety information that shipped with your computer. For additional safety best

practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

WARNING:

If you remove the processor heat sink from the computer when the heat sink is hot, do not touch the metal housing of the processor

heat sink.

CAUTION:

Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™

is not covered by your warranty.

CAUTION:

To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as the back panel) on the computer.

CAUTION:

To help prevent damage to the system board, remove the main battery (see

computer.

Removing the Processor Heat Sink

1. Follow the procedures in

Before You

2. Remove the battery (see

Removing the

3. Remove the system board (see

4. In sequential order (indicated on the processor heat sink), loosen the six captive screws that secure the processor heat sink to the system board.

processor heat sink

5. Lift the processor heat sink off the system board.

Replacing the Processor Heat Sink

NOTE:

The original thermal pad can be reused if the original processor and heat sink are reinstalled together. If either the processor or heat sink is

replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.

NOTE:

This procedure assumes that you have already removed the processor heat sink and are ready to replace it.

1. Align the six captive screws on the processor heat sink with the system board and tighten the screws in descending order.

2. Replace the system board (see

3. Replace the battery (see

Replacing the

Begin.

Battery).

Removing the System

Board) and turn it over.

captive screws (6)

Replacing the System

Board).

Battery).

Removing the

Battery) before working inside the