Dell Alienware M15x (Early 2011) - Manual (Page 54)

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CHAPTER 12: PROCESSOR FAN AND HEAT SINK ASSEMBLY
Replace the right air-vent (see “Replacing the Air Vents” on page 7. 43).
Replace the center control cover (see “Replacing the Center Control Cover” 8.
on page 31).
Replace the memory module(s) (see “Replacing the Memory Module(s)” on 9.
page 23).
Replace the hard drive (see “Replacing the Hard Drive” on page 10. 18).
Replace the compartment door (see “Replacing the Compartment Door” on 11.
page 14).
Replace the battery pack (see “Replacing the Battery Pack” on page 12. 11).
CAUTION: Before turning on the computer, replace all screws and
ensure that no stray screws remain inside the computer. Failure to do
so may result in damage to the computer.
Replacing the Processor Fan and Heat Sink
Assembly
Follow the instructions in “Before You Begin” on page 1. 6.
Peel the backing off the thermal cooling pads attached to the new processor 2.
fan and heat sink assembly.
NOTE: If the processor fan and heat sink assembly is replaced, the
thermal cooling pads will be attached to the new processor fan and heat
sink assembly. Do not reuse the old thermal cooling pads.
Place the processor fan and heat sink assembly on the system board. 3.
Align the four captive screws on the processor heat sink with the screw 4.
holes on the system board and tighten the screws in sequential order
(indicated on the processor fan and heat sink assembly).
Tighten the screw that secures the processor fan and heat sink assembly to 5.
the computer base.
Connect the processor fan and heat sink assembly cable to the system 6.
board connector.