Dell Studio XPS 8000 (Late 2009) - Manual (Page 29)

4. Connect the chassis fan cable to the system board connector (see System Board Components ).
5. Replace the computer cover (see Replacing the Computer Cover ).
Processor Fan and Heat Sink Assembly
Removing the Processor Fan and Heat Sink Assembly
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Removing the Computer Cover ).
3. Disconnect the processor fan cable from the system board connector (see System Board Components ).
4. In diagonal order, loosen the four captive screws that secure the processor fan and heat sink assembly to the chassis.
5. Lift the processor fan and heat sink assembly out of the computer.
Replacing the Processor Fan and Heat Sink Assembly
1. Follow the procedures in Before You Begin
WARNING: Despite having a plastic shield, the processor fan and heat sink assembly may be very hot during normal operation. Ensure that it has
had sufficient time to cool before you touch it.
CAUTION: The processor fan and heat sink assembly is a single unit. Do not try to remove the fan separately.
CAUTION: When you remove the processor fan and heat sink assembly, lay it upside down or on its side to avoid damaging the heat sink thermal
interface.
1 system board connector 2 processor fan and heat sink assembly
3 captive screws (4)