Dell XPS 730x (Early 2009) - Manual (Page 42)

Replacing the Heat Sink Assembly: Dell XPS 730/730X Service Manual
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Replacing the Heat Sink Assembly
Dell™ XPS™ 730/730X Service Manual
Replacing the Air Cooled Heat Sink Assembly
Replacing the Liquid Cooling 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.
CAUTION: Do not perform the following steps unless you are familiar with hardware removal and
replacement. Performing these steps incorrectly could damage your system board. For technical service,
see the Setup Guide.
Your computer uses one of the following types of processor cooling solutions, air-cooling or H2Ceramic (also called H2C or
Hot-to-Cold) liquid-cooling system.
Replacing the Air Cooled Heat Sink Assembly
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Replacing the Computer Cover ).
WARNING: The processor heat sink can get very hot during normal operation. Be sure that the heat sink
has had sufficient time to cool before you touch it.
3. Loosen the four captive screws that secure the heatsink to the chassis.
4. Gently lift the heat sink assembly out of the chassis. You may have to gently twist the heat sink to fully disengage the
heat sink assembly.
5. Disconnect the fan cable from the rear fan connector on the LED circuit board at the back of the chassis.