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Processor heat sink, Removing the processor heat sink, Replacing the processor heat sink – Dell Inspiron 1440 (Mid 2009) User Manual

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Processor Heat Sink

Dell™ Inspiron™ 1440 Service Manual 

  

Removing the Processor Heat Sink

  

Replacing the Processor Heat Sink

 

 

 

 

Removing the Processor Heat Sink

 

1.

Follow the procedures in

Before You Begin

.


 

2.

Follow the procedures from

step 2

to

step 16

in

Removing the System Board

.


 

3.

Disconnect the fan cable from the connector on the system board.

 

4.

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

 

5.

Lift the processor heat sink off the computer.

 

Replacing the Processor Heat Sink

 

1.

Align the five captive screws on the processor heat sink with the screw holes on the system board and tighten the screws in descending order.

 

2.

Connect the fan cable to the connector on the system board.

 

3.

Follow the procedures from

step 4

to

step 19

in

Replacing the System Board

.

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:

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:

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

Removing the Battery

) before working inside the

computer.

1

processor heat sink

2

fan cable connector

3

captive screws (5)

 

 

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.