1. Follow the instructions in Before You Begin.2. Clean the thermal grease from the bottom of the processor heat sink and reapply it.3. Align the four captive screws on the processor heat-sink with the screw holes on the system board and tighten the screws in sequential order (indicatedon the processor heat sink).4. Replace the two screws that secure the processor heat-sink to the chassis.5. Replace the processor heat-sink fan (see Replacing the Processor Heat-Sink Fan).6. Replace the MXM assembly (see Replacing the MXM Assembly).7. Replace the MXM-assembly fan (see Replacing the MXM-Assembly Fan).8. Replace the system-board shield (see Replacing the System-Board Shield).9. Follow the instructions from step 4 to step 5 in Replacing the Front Stand.10. Replace the back cover (see Replacing the Back Cover).11. Connect your computer and all attached devices to electrical outlets, and turn them on.Back to Contents PageCAUTION: Incorrect alignment of the processor heat sink can cause damage to the system board and processor.NOTE: The original thermal grease can be reused if the original processor and processor heat sink are reinstalled together. If either the processor orthe processor heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so mayresult in damage to the computer.