Dell Inspiron 1440 Manual de servicio - Página 15

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Dell Inspiron 1440 Manual de servicio
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  Processor Heat Sink
Dell™ Inspiron™ 1440 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:
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
computer.
 Removing the Processor Heat Sink
 
1. Follow the procedures in
Before You
 
2. Follow the procedures from
 
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.
1
processor heat sink
3
captive screws (5)
 
5. Lift the processor heat sink off the computer.
 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 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
Begin.
step 2
to
step 16
in
Removing the System
2
fan cable connector
 
 
step 4
to
step 19
in
Replacing the System
Removing the
Board.
Board.
Battery) before working inside the