CAUTION: 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.
NOTICE: 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 information, see the Setup Guide.
CAUTION: The heat sink assembly may be very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it.
Disconnect the processor fan cable from the CPU FAN connector on the
system board.
Use the marked sequence to loosen the four captive screws at the lower
end of the processor heat sink assembly.
Remove the five screws securing the top end of the processor heat sink.
NOTICE: To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor heat sink. The oils in your skin can reduce the heat transfer capability of the thermal pads.
Carefully lift the processor heat sink away from the computer.
1
screws (4)
2
processor fan cable
3
captive screws (4)
NOTICE: Incorrect alignment of the processor heat sink can cause damage to the system board and processor.
To replace the processor heat sink assembly, align the screw holes on the
processor heat sink assembly with the holes on the chassis.
Replace the five screws that secure the top end of the processor heat sink
assembly.
NOTICE: To prevent damage to the processor follow the marked sequence, this ensures equal pressure on the processor at all times.
Use the marked sequence on the processor heat sink to tighten the four
captive screws at the lower end of the processor heat sink assembly.
Connect the processor fan cable to the CPU FAN connector on the system
board.
