Dell Inspiron Mini Duo (1090, Late 2010) - Manual (Page 25)

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Processor Fan and Heat-Sink Assembly
Dell™ Inspiron™ 1090 Service Manual
Removing the Processor Fan and Heat-Sink Assembly
Replacing the Processor Fan and Heat-Sink Assembly
Removing the Processor Fan and Heat-Sink Assembly
1. Follow the instructions in Before You Begin .
2. Remove the label door (see Removing the Label Door ).
3. Remove the keyboard (see Removing the Keyboard ).
4. Remove the palm-rest assembly (see Removing the Palm-Rest Assembly ).
5. Remove the battery (see Removing the Battery ).
6. Remove the memory module (see Removing the Memory Module ).
7. Disconnect the processor fan and heat-sink assembly cable from the connector on the system board.
8. In sequential order (indicated on the processor heat-sink), loosen the three captive screws that secure the processor fan and heat-sink assembly to the
system board.
9. Lift the processor fan and heat-sink assembly off the system board.
Replacing the Processor Fan and Heat-Sink Assembly
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 fan and heat-sink assembly from the computer when the heat sink is hot, do not touch the metal housing
of the processor fan and heat-sink assembly.
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 a connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery ) before working inside the
computer.
1 processor fan and heat-sink assembly 2 captive screws (3)
3 processor fan and heat-sink assembly cable
NOTE: The original thermal grease can be reused if the original processor fan and heat-sink assembly is reinstalled. If the processor fan and heat-sink
assembly is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.