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Processor Heat Sink
Dell Studio™ 1557/1558 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 a connector on the back of 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
inside the computer.
Removing the Processor Heat Sink
1. Follow the instructions in
Before You
2. Remove the optical drive (see
3. Disconnect the ExpressCard cables from their respective connectors on the system board (see
4. Disconnect the AC adapter connector cable, USB cable, fan cable, and the subwoofer cable from their respective connectors on the system board (see
Removing the System Board
5. Remove the six screws that secure the system board to the computer base.
6. Turn the system board over.
7. In sequential order (indicated on the processor heat sink), loosen the four captive screws on the thermal-cooling assembly processor cover.
1
captive screws (4)
8. 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.
Begin.
Removing the Optical
Drive).
Assembly).
2
processor heat sink
Before Working Inside Your
Computer) before working
Removing the ExpressCard
Board).
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